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The Way in Which Information is Taught IELTS READING

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Reading passage 1

You should spend about 20 minutes on Questions 1-13, which are based on Reading Passage I below.

A. The way in which information is taught can vary greatly across cultures and time periods. Entering a British primary school classroom from the early 1900s, for example, one gains a sense of austerity, discipline, and a rigid way of teaching. Desks are typically seated apart from one another, with straight- backed wooden chairs that face directly to the teacher and the chalkboard. In the present day, British classrooms look very different. Desks are often grouped so that students face each other rather than the teacher, and a large floor area is typically set aside for the class to come together for group discussion and learning.

B. Traditionally, it was felt that teachers should be in firm control of the learning process and that the teacher’s task was to prepare and present material for students to understand. Within this approach, the relationship students have with their teachers is not considered important, nor is the relationship students have with each other in the classroom. A student’s participation in class is likely to be minimal, aside from asking questions directed at the teacher, or responding to questions that the teacher has directed at the student. This style encourages students to develop respect for positions of power as a source of control and discipline. It is frequently described as the “formal authority” model of teaching.

C. A less rigid form of teacher-centred education is the “demonstrator” model. This maintains the formal authority model’s notion of the teacher as a “flashlight” who illuminates the material for his or her class to learn, but emphasis a more individualized approach to form. The demonstrator acts as both a role model and a guide, demonstrating skills and processes and then helping students develop and apply these independently. Instructors who are drawn to the demonstrator style are generally confident that their own way of performing a task represents a good base model, but they are sensitive to different learning styles and expect to provide students with help on an individual basis.

D. Many education researchers argue for student-centred learning instead and suggest that the learning process is more successful when students are in control. Within the student-centred paradigm, the “delegator” style is popular. The delegator teacher maintains general authority, but they delegate much of the responsibility for learning to the class as a way for students to become independent thinkers who take pride in their own work. Students are often encouraged to work on their own or in groups, and if the delegator style is implemented successfully, they will build not only a working knowledge of course- specific topics but also self-discipline and the ability to coordinate group work and interpersonal roles.

E. Another style that emphasises student-centred education is the “facilitator” mode of learning. Here, while a set of specific curriculum demands is already in place, students are encouraged to take the initiative for creating ways to meet these learning requirements together. The teacher typically designs activities that encourage active learning, group collaboration, and problem-solving, and students are encouraged to process and apply the course content in creative and original ways. Whereas the delegator style emphasises content and the responsibility students can have for generating and directing their own knowledge base, the facilitator style emphasises form and the fluid and diverse possibilities that are available in the process of learning.

F. Until the 1960s, formal authority was common in almost all Western schools and universities. As a professor would enter a university lecture theatre, a student would be expected to rush up, take his bag to the desk, and pull out the chair for the professor to sit down on. This style has become outmoded over time. Now at university, students and professors typically have more relaxed, collegiate relationships, address each other on a first-name basis and acknowledge that students have much to contribute in class. Teacher-centred education has a lingering appeal in the form of the demonstrator style, however, which remains useful in subjects where skills must be demonstrated to an external standard and the learning process remains fixed in the earlier years of education. A student of mathematics, sewing or metalwork will likely be familiar with the demonstrator style. At the highest levels of education, however, the demonstrator approach must be abandoned in all fields as students are required to produce innovative work that makes unique contributions to knowledge. Thesis and doctoral students lead their own research in facilitation with supervisors.

G. The delegator style is valuable when the course is likely to lead students to careers that require group projects. Often, someone who has a high level of expertise in a particular field does not make for the best employee because they have not learnt to apply their abilities in a coordinated manner. The delegator style confronts this problem by recognizing that interpersonal communication is not just a means of learning but an important skillset in itself. The facilitator model is probably the most creative and is therefore, not suited to subjects where the practical component necessitates a careful and highly disciplined manner, such as training to be a medical practitioner. It may, however, suit more experimental and theoretical fields ranging from English, music, and the social sciences to science and medical research that takes place in research labs. In these areas, “mistakes” in the form are important and valuable aspects of the learning and development process.

H. Overall, a clear evolution has taken place in the West from a rigid, dogmatic, and teacher- dominated way of learning to a flexible, creative, and student-centred approach. Nevertheless, different subjects, ages, and skill levels suit different styles of teaching, and it is unlikely that there will ever be one recommended approach for everyone.



Questions 1-8

Look at the following statements (Questions 1-8) and the styles of teaching below.

Match each statement with the correct teaching style, A-D.
Write the correct letter, A-D, in boxes 1-8 on your answer sheet.

NB You may use any letter more than once.

1. The emphasis is on students directing the learning process.
2. The teacher shows the class how to do something, then students try it on their own.
3. Student-teacher interaction and student-student interaction is limited.
4. The emphasis is on the process of solving problems together.
5. Students are expected to adjust to the teacher’s way of presenting the information.
6. The teacher designs group activities that encourage constructive interaction.
7. Time is set aside for one-on-one instruction between teacher and student
8. Group and individual work are encouraged independently of the teacher.

List of Teaching Styles

A. Formal authority
B. Demonstrator
C. Delegator
D. Facilitator
Questions 9-12

Do the following statements agree with the information given in Reading Passage 1?
In boxes 9-12 on your answer sheet, write
TRUE, if the statement agrees with the information FALSE, if the statement contradicts with the information NOT GIVEN, if there is no information on this

9. The formal authority model remains popular in educational institutions of the West
10. The demonstrator model is never used at the tertiary level.
11. Graduates of delegator style teaching are good communicators.
12. The facilitator style is not appropriate in the field of medicine.

Question 13 Choose the correct letter. A, B, C or D. Write the correct letter in box 13 on your answer sheet.

13. What is the best title for Reading Passage 1?

A. Teaching styles and their application
B. Teaching: then and now
C. When students become teachers
D. Why student-centred learning is best



Reading Passage 2

You should spend about 20 minutes on Questions 14-26, which are based on Reading Passage 2 below.

The Flavour Industry


A. Read through the nutritional information on the food in your freezer, refrigerator or kitchen pantry, and you are likely to find a simple, innocuous-looking ingredient recurring on a number of products: “natural flavour”. The story of what natural flavour is, how it got into your food, and where it came from is the result of more complex processes than you might imagine.

B. During the 1980s, health watchdogs and nutritionists began turning their attention to cholesterol, a waxy steroid metabolite that we mainly consume from animal-sourced products such as cheese, egg yolks, beef, poultry, shrimp, and pork. Nutritionists blamed cholesterol for contributing to the growing rates of obesity, heart disease, diabetes, and several cancers in Western societies. As extensive recognition of the matter grew amongst the common people, McDonald’s stopped cooking their French fries in a mixture of cottonseed oil and beef tallow, and in 1990, the restaurant chain began using 100% vegetable oil instead.

C. This substantially lowered the amount of cholesterol in McDonald’s fries, but it created a new dilemma The beef tallow and cottonseed oil mixture gave the French fries high cholesterol content, but it also gifted them with a rich aroma and “mouth-feel” that even James Beard, an American food critic, admitted he enjoyed. Pure vegetable oil is bland in comparison. Looking at the current ingredients list of McDonald’s French fries, however, it is easy to see how they overcame this predicament. Aside from a few preservatives, there are essentially three main ingredients: potato, soybean oil, and the mysterious component of “natural flavour”.

D. Natural flavour also entered our diet through the rise in processed foods, which now make up over 90% (and growing) of the American diet, as well as representing a burgeoning industry in developing countries such as China and India Processed foods are essentially any foods that have been boxed, bagged, canned or packaged, and have a list of ingredients on the label. Sometimes, the processing involves adding a little sodium or sugar, and a few preservatives. Often, however, it is coloured, bleached, stabilized, emulsified, dehydrated, odour-concealed, and sweetened. This process typically saps any original flavour out of the product, and so, of course, flavour must be added back in as well.

E. Often this is “natural flavour”, but while the term may bring to mind images of fresh barley, hand- ground spices, and dried herbs being traded in a bustling street market, most of these natural sources are, in fact, engineered to culinary perfection in a set of factories and plants of the New Jersey Turnpike outside of New York. Here, firms such as International Flavors & Fragrances, Harmen & Keimer, Flavor Dynamics, Frutarom and Elan Chemical isolate and manufacture the tastes that are incorporated in much of what we eat and drink. The sweet, summery burst of naturally squeezed orange juice, the wood-smoked aroma in barbeque sauces, and the creamy, buttery, fresh taste in many dairy products do not come from sun-drenched meadows or backyard grills but are formed in the labs and test tubes of these flavour industry giants.

F. The scientists – dubbed “flavourists” who create the potent chemicals that set our olfactory senses to overdrive use a mix of techniques that have been refined over many years. Part of it is dense, intricate chemistry: spectrometers, gas chromatographs, and headspace-vapour analysers can break down components of a flavour in amounts as minute as one part per billion. Not to be outdone, however, the human nose can isolate aromas down to three parts per trillion. Flavourists, therefore, consider their work as much an art as a science, and flavourism requires a nose “trained” with a delicate and poetic sense of balance.

G. Should we be wary of the industrialisation of natural flavour? On its own, the trend may not present any clear reason for alarm. Nutritionists widely agree that the real assault on health in the last few decades stems from an “unholy trinity” of sugar, fat, and sodium in processed foods. The natural flavour on its own is not a health risk. It does play a role, however, in helping these processed foods to taste fresh and nutritious, even when they are not. So, while the natural flavour industry should not be considered the culprit, we might think of it as a willing accomplice.

Questions 14-21

Reading Passage 2 has seven paragraphs, A-G.

Which paragraph contains the following information?

Write the correct letter. A-G, in boxes 14-21 on your answer sheet.

NB You may use any letter more than once.

14. examples of companies that create natural flavours
15. an instance of a multinational franchise responding to public pressure
16. a statement on the health effects of natural flavours
17. an instance where a solution turns into a problem
18. a place in the home where one may encounter the term “natural flavour”
19. details about the transformation that takes place in processed grocery items
20. a comparison of personal and technological abilities in flavour detection
21. examples of diet-related health conditions

Questions 22-25
Do the following statements agree with the information given in Reading Passage 2?
TRUE, if the statement agrees with the information
FALSE, if the statement contradicts with the information
NOT GIVEN, if there is no information on this

22. On their own, vegetable oils do not have a strong flavour.
23. Soybean oil is lower in cholesterol than cottonseed oil.
24. Processed foods are becoming more popular in some Asian countries.
25. All food processing involves the use of natural flavours.

Question 26 Choose the correct letter. A B, C, or D.

26. The writer of Reading Passage 2 concludes that natural flavours …………………..
A. are the major cause of dietary health problems.
B. are unhealthy, but not as had as sugar, fat, and sodium.
C. have health benefits that other ingredients tend to cancel out.
D help make unhealthy foods taste better.

Reading Passage 3

You should spend about 20 minutes on Questions 27-40, which are based on Reading Passage 3 below.

Austerity Measures


A. Austerity measures are actions that a state undertakes in order to pay back its creditors. Those measures typically involve slashing government expenditure and hiking taxes, and most of the time, these are imposed on a country when its national deficit is believed to have become unsustainable. In this situation, banks may lose trust in the government’s ability or willingness to repay existing debts, and in return can refuse to roll over current loans and demand cripplingly excessive interest rates on new lending. Governments frequently then turn to the International Monetary Fund (IMF), an intergovernmental organization that functions as a lender of last resort. In return, the IMF typically demands austerity measures so that the indebted country is able to curtail its budget deficit and fulfil their loan obligations.

B. A wave of austerity measures across Europe in 2010 has seen cuts and freezes to pensions, welfare and public sector salaries as well as hikes to some taxes and excises. The Greek programme attempts to narrow its budget shortfall from 8.1 per cent of GDP in 2010 to 2.6 per cent of GDP in 2014 primarily by freezing public sector incomes during that period and reducing public sector allowances by 8 per cent. Additionally, VAT – the Greek sales tax – will be elevated to 23 per cent, and excises on fuel, tobacco, and alcohol arc also subject to an increase. The statutory retirement age for women will be raised to 65, matching it with the current retirement age for men. These reforms have been deeply unpopular in Greece, prompting a succession of general strikes that have further dented the economy.

C. IMF-imposed austerity measures have been indicted for encouraging the deep recession following the Asian financial crisis of 1997. Starting from the early 1990s, international investors from wealthier countries such as Japan and the United States began pouring money into Southeast Asia, looking to make some quick returns and the soaring economies of Thailand. Philippines, Malaysia and others earned themselves the title “the Asian tigers”. When things started to turn sour, however, the foreign investors panicked and retracted their investments in masses decimating Asian currencies and turning millions of employees out of work. The IMF’s role in the recovery was to impose austerity measures that kept interest rates high while driving down wages and the labour standards at a time when workers were already suffering. According to one former IMF economist, these interventions on a global scale have caused the deaths of 6 million children every year.

D. Many economists consequently view austerity measures as a terrible blunder. John Maynard Keynes was the first to propose an alternative method, long before the Asian financial crisis. Governments, he attempted to demonstrate, could conceivably spend their national economy out of debt. Although logically implausible at first blush, this argument is based on the notion that recessions deepen from a persistent cycle of low incomes, low consumer spending, and low business growth. A government can theoretically reverse this downward spiral by injecting the economy with much needed (albeit borrowed) capital. This is not equivalent to an indebted consumer spending further into the red, Keynes argued, because while the consumer gains no further income on that expenditure, the government’s dollar goes into the economy and then partially boomerangs later on in the form of taxation.

E. Nobel Prize-winning economist Joseph Stiglitz follows up on this approach by noting that households across the world are currently burdened with debt. For businesses to grow, he argues, government and consumer expenditure must kick in first. Austerity measures lower the spending capacity of households, and are, therefore, considered under-productive. Another recipient of the Nobel Prize, Paul Krugman points to the recent experiences of countries such as Ireland, Latvia and Estonia. Countries that implement austerity are the “good soldiers” of the crisis, he notes, implementing savage spending cuts. “But their reward has been a slump, and financial markets continue to treat them as serious default risk.”

F. In the United Kingdom, Prime Minister David Cameron defended the necessity of austerity measures for his country by denouncing the frivolity of governments that ratchet up spending at a time the economy is contracting. This is in line with the counter-Keynesian viewpoint, known broadly as the neoclassical position. Neoclassical economists argue that business is “inspired” by fiscally conservative governments, and this “confidence” helps re-ignite the economy. A British think-tank economist, Marshall Auerback, questions this line of thinking, wondering if Cameron suggests governments should only “ratchet up spending when the economy is growing”. This Auerback warns, should be avoided because it presents genuine inflationary dangers.

Questions 27-31 Complete the summary below.

Choose NO MORE THAN TWO WORDS from the passage for each answer. Write your answers in boxes 27- 31 on your answer sheet.

A government can undergo austerity measures by cutting spending and/or raising 27 ……………… If banks do not believe that a government will settle their debts, they may ask for 28……………… that are too high to pay back. In these cases, the IMF is sometimes prepared to lend money to these governments. One of the conditions of IMF loans is that recipient countries undergo austerity measures to reduce their 29……………… and repay any debts. The IMF has attracted criticism for its role in Asia after the 1997 financial crisis. The crisis was caused when international investors pulled their money out of the region at once, causing 30……………… to foil and unemployment to rise. The IMF’s austerity measures set conditions that lowered incomes and 31……………… These policies have caused great suffering
internationally.



Questions 32-35. Choose FOUR letters A—G. Write the correct letters in boxes 32-35 on your answer sheet.

Which FOUR items are identified as features of the Greek government’s austerity measure programme in 2010?

A. reducing public sector wages between 2010 and 2014
B. cutting allowances for public sector workers
C. raising the sales tax
D. making the compulsory retirement age the same for both genders
E. multiple general strikes
F. making cigarettes more expensive
G. eliminating the budget deficit

Questions 36-40. Look at the following people (Questions 36-40) and the list of statements below. Match each person with an appropriate statement, A—F. Write the correct letter A-F in boxes 36-40 on your answer sheet.

36. John Maynard Keynes

37. David Cameron

38. Marshall Auerback

39. Joseph Stiglitz

40. Paul Kingman


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The Value of a College Degree IELTS READING

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Reading passage 1

Escalating cost of higher education is causing many to question the value of continuing education beyond high school. Many wonder whether the high cost of tuition, the opportunity cost of choosing college over full-time employment, and the accumulation of thousands of dollars of debt is, in the long run, worth the investment. The risk is especially large for low- income families who have a difficult time making ends meet without the additional burden of college tuition and fees.

In order to determine whether higher education is worth the investment, it is useful to examine what is known about the value of higher education and the rates of return on investment to both the individual and to society.

The Economic Value of Higher Education

There is considerable support for the notion that the rate of return on investment in higher education is high enough to warrant the financial burden associated with pursuing a college degree. Though the earnings differential between college and high school graduates varies over time, college graduates, on average, earn more than high school graduates. According to the Census Bureau, over an adult’s working life, high school graduates earn an average of $1.2 million; associate’s degree holders earn about $1.6 million; and bachelor’s degree holders earn about $2.1 million (Day and Newburger, 2002).

These sizeable differences in lifetime earnings put the costs of college study in realistic perspective. Most students today—about 80 percent of all students—enrol either in public four- year colleges or in public two-year colleges. According to the U.S. Department of Education report, Think College Early, a full-time student at a public four-year college pays an average of $8,655 for in-state tuition, room, and board (U.S. Department of Education, 2002). A full-time student in a public two-year college pays an average of $1,359 per year in tuition (U.S. Department of Education, 2002).

These statistics support the contention that, though the cost of higher education is significant, given the earnings disparity that exists between those who earn a bachelor’s degree and those who do not, the individual rate of return on investment in higher education is sufficiently high to warrant the cost.

Other Benefits of Higher Education

College graduates also enjoy benefits beyond increased income. A 1998 report published by the Institute for Higher Education Policy reviews the individual benefits that college graduates enjoy, including higher levels of saving, increased personal/professional mobility, improved quality of life for their offspring, better consumer decision making, and more hobbies and leisure activities (Institute for Higher Education Policy, 1998).

According to a report published by the Carnegie Foundation, non-monetary individual benefits of higher education include the tendency for post-secondary students to become more open-minded, more cultured, more rational, more consistent, and less authoritarian; these benefits are also passed along to succeeding generations (Rowley and Hurtado, 2002). Additionally, college attendance has been shown to “decrease prejudice, enhance knowledge of world affairs and enhance social status” while increasing economic and job security for those who earn bachelor’s degrees (Ibid.).

Research has also consistently shown a positive correlation between completion of higher education and good health, not only for oneself, but also for one’s children. In fact, “parental schooling levels (after controlling for differences in earnings) are positively correlated with the health status of their children” and Increased schooling (and higher relative income) are correlated with lower mortality rates for given age brackets” (Cohn and Geske, 1992).



The Social Value of Higher Education

A number of studies have shown a high correlation between higher education and cultural and family values, and economic growth. According to Elchanan Cohn and Terry Geske (1992), there is the tendency for more highly educated women to spend more time with their children; these women tend to use this time to better prepare their children for the future. Cohn and Geske (1992) report that “college graduates appear to have a more optimistic view of their past and future personal progress.”

Public benefits of attending college include increased tax revenues, greater workplace productivity, increased consumption, increased workforce flexibility, and decreased reliance on government financial support (Institute for Higher Education Policy, 1998)

Conclusion

While it is clear that investment in a college degree, especially for those students in the lowest income brackets, is a financial burden, the long-term benefits to individuals as well as to society at large, appear to far outweigh the costs.

Questions 1-4. Do the following statements agree with the information in Reading Passage 1? In boxes 1- 4 on your Answer Sheet, write

TRUE if the statement is true according to the passage.
FALSE if the statement contradicts the passage.
NOT GIVEN if there is no information about this in the passage.

1. The cost of a college education has remained steady for several years.
2. Some people have to borrow large amounts of money to pay for college.
3. About 80 percent of college students study at public colleges.
4. Public colleges cost less than private colleges.

Questions 5-9. Complete the fact sheet below.
Choose NO MORE THAN THREE WORDS from the passage for each answer

Financial Costs and Benefits of Higher Education

The average high school graduate makes a little more than one million dollars in 5………………….
The average person with an associate’s degree earns 6………………….
The average 7…………………. makes over two million dollars.
The average student at a four year college spends 8…………………. $ a year on classes, housing, and food.
The average student at a two-year college spends $1,359 on 9………………….

Questions 10-13
The list below shows some benefits which college graduates may enjoy more of as compared to non-college graduates. Which four of these benefits are mentioned in the article?
Write the appropriate letters A-G in boxes 10-13 on your Answer Sheet.

A They own bigger houses.
В They are more optimistic about their lives.
C They save more money.
D They enjoy more recreational activities.
E They have healthier children.
F They travel more frequently.
G They make more purchases.

Reading passage 2

Less Television, Less Violence and Aggression


Cutting back on television, videos, and video games reduces acts of aggression among schoolchildren, according to a study by Dr. Thomas Robinson and others from the Stanford University School of Medicine. The study, published in the January 2001 issue of the Archives of Pediatric and Adolescent Medicine, found that third- and fourth-grade students who took part in a curriculum to reduce their TV, video, and video game use engaged in fewer acts of verbal and physical aggression than their peers. The study took place in two similar San Jose, California, elementary schools. Students in one school underwent an 18-lesson, 6-month program designed to limit their media usage, while the others did not. Both groups of students had similar reports of aggressive behaviour at the beginning of the study. After the six-month program, however, the two groups had very real differences. The students who cut back on their TV time engaged in six fewer acts of verbal aggression per hour and rated 2.4 percent fewer of their classmates as aggressive after the program. Physical acts of violence, parental reports of aggressive behaviour, and perceptions of a mean and scary world also decreased, but the authors suggest further study to solidify these results.

Although many studies have shown that children who watch a lot of TV are more likely to act violently, this report further verifies that television, videos, and video games actually cause the violent behaviour, and it is among the first to evaluate a solution to the problem. Teachers at the intervention school included the program in their existing curriculum. Early lessons encouraged students to keep track of and report on the time they spent watching TV or videos, or playing Video games, to motivate them to limit those activities on their own. The initial lessons were followed by TV-Turnoff, an organisation that encourages less TV viewing. For ten days, students were challenged to go without television, videos, or video games. After that, teachers encouraged the students to stay within a media allowance of seven hours per week. Almost all students participated in the Turnoff, and most stayed under their budget for the following weeks. Additional lessons encouraged children to use their time more selectively, and many of the final lessons had students themselves advocate reducing screen activities.

This study is by no means the first to find a link between television and violence. Virtually all of 3,500 research studies on the subject in the past 40 years have shown the same relationship, according to the American Academy of Pediatrics. Among the most noteworthy studies is Dr. Leonard D. Eron’s, which found that exposure to television violence in childhood is the strongest predictor of aggressive behaviour later in life—stronger even than violent behaviour as children. The more violent television the subjects watched at age eight, the more serious was their aggressive behaviour even 22 years later. Another study by Dr. Brandon S. Centerwall found that murder rates climb after the introduction of television. In the United States and

Canada, murder rates doubled 10 to 15 years after the introduction of television, after the first TV generation grew up.
Centerwall tested this pattern in South Africa, where television broadcasts were banned until 1975. Murder rates in South Africa remained relatively steady from the mid-1940s through the mid- 1970s. By 1987, however, the murder rate had increased 130 percent from its 1974 level. The murder rates in the United States and Canada had levelled off in the meantime.

Centerwall’s study implies that the medium of television, not just the content, promotes violence and the current study by Dr. Robinson supports that conclusion. The Turnoff did not specifically target violent television, nor did the following allowance period. Reducing television in general reduces aggressive behaviour. Even television that is not “violent” is more violent than real life and may lead viewers to believe that violence is funny, inconsequential, and a viable solution to problems. Also, watching television of any content robs us of the time to interact with real people. Watching too much TV may inhibit the skills and patience we need to get along with others without resorting to aggression. TV, as a medium, promotes aggression and violence. The best solution is to turn it off.

Questions 14-20
Complete the summary using words from the box below. Write your answers in boxes 14- 20 on your Answer Sheet.

parents
teachers
six months
violently
watched TV
scared
less TV		eighteen days
classmates
nonviolent programs
time of day
number of hours
avoided TV
favourite programs

A study that was published in January 2001 found that when children 14………………….. less, they behaved less 15………………….. . Students in a California elementary school participated in the study, which lasted 16………………….. . By the end of the study, the children’s behaviour had changed. For example, the children’s 17………………….. reported that the children were acting less violently than before. During the study, the children kept a record of the 18………………….. they watched TV. Then, for ten days, they 19………………….. . Near the end of the study, the students began to suggest watching 20………………….. .

Questions 21-24. Do the following statements agree with the information in Reading Passage 2? In boxes 21-24 write
TRUE if the statement is true according to the passage.
FALSE if the statement contradicts the passage.
NOT GIVEN if there is no information about this in the passage.

21. Only one study has found a connection between TV and violent behaviour.
22. There were more murders in Canada after people began watching TV.
23. The United States has more violence on TV than other countries.
24. TV was introduced in South Africa in the 1940s.

Questions 25 and 26. For each question, choose the correct letter A-D and write it in boxes 25 and 26 on your Answer Sheet.

25. According to the passage,
A only children are affected by violence on TV.
В only violent TV programs cause violent behaviour.
C children who watch too much TV get poor grades in school.
D watching a lot of TV may keep us from learning important social skills.

26. The authors of this passage believe that A some violent TV programs are funny. A some violent TV programs are funny
В the best plan is to stop watching TV completely.
C it’s better to watch TV with other people than on your own.
D seven hours a week of TV watching is acceptable

Reading Passage 3

You should spend about 20 minutes on Questions 27-40, which are based on Reading Passage 3 below.

Issues Affecting the South Resident Orcas


A
Orcas, also known as killer whales, are opportunistic feeders, which means they will take a variety of different prey species. J, K, and L pods (specific groups of orcas found in the region) are almost exclusively fish eaters. Some studies show that up to 90 percent of their diet is salmon, with Chinook salmon being far and away their favourite. During the last 50 years, hundreds of wild runs of salmon have become extinct due to habitat loss and overfishing of wild stocks. Many of the extinct salmon stocks are the winter runs of Chinook and coho. Although the surviving stocks have probably been sufficient to sustain the resident pods, many of the runs that have been lost were undoubtedly traditional resources favoured by the resident orcas. This may be affecting the whales’ nutrition in the winter and may require them to change their patterns of movement in order to search for food.


Other studies with tagged whales have shown that they regularly dive up to 800 feet in this area.Researchers tend to think that during these deep dives the whales may be feeding on bottomfish. Bottomfish species in this area would include halibut, rockfish, lingcod, and greenling. Scientists estimate that today’s lingcod population in northern Puget Sound and the Strait of Georgia is only 2 percent of what it was in 1950. The average size of rockfish in the recreational catch has also declined by several inches since the 1970s, which is indicative of overfishing. In some locations, certain rockfish species have disappeared entirely. So even if bottomfish are not a major food resource for the whales, the present low numbers of available fish increases the pressure on orcas and all marine animals to find food. (For more information on bottomfish see the San Juan County Bottomfish Recovery Program.)

B
Toxic substances accumulate in higher concentrations as they move up the food chain. Because orcas t are the top predator in the ocean and are at the top of several different food chains in the environment, they tend to be more affected by pollutants than other sea creatures.
Examinations of stranded killer whales have shown some extremely high levels of lead, mercury, and polychlorinated hydrocarbons. Abandoned marine toxic waste dumps and present levels of industrial and human refuse pollution of the inland waters probably presents the most serious threat to the continued existence of this orca population. Unfortunately, the total remedy to this huge problem would be broad societal changes on many fronts. But because of the fact that orcas are so popular, they may be the best species to use as a focal point in bringing about the many changes that need to be made in order to protect the marine environment as a whole from further toxic poisoning.

C
The waters around the San Juan Islands are extremely busy due to international commercial shipping, fishing, whale watching, and pleasure boating. On a busy weekend day in the summer, it is not uncommon to see numerous boats in the vicinity of the whales as they travel through the area. The potential impacts from all this vessel traffic with regard to the whales and other marine animals in the area could be tremendous.
The surfacing and breathing space of marine birds and mammals is a critical aspect of their habitat, which the animals must consciously deal with on a moment-to-moment basis throughout their lifetimes. With all the boating activity in the vicinity, there are three ways in which surface impacts are most likely to affect marine animals: (a) collision, (b) collision avoidance, and (c) exhaust emissions in breathing pockets.

The first two impacts are very obvious and don’t just apply to vessels with motors. Kayakers even present a problem here because they’re so quiet. Marine animals, busy hunting and feeding under the surface of the water, may not be aware that there is a kayak above them and actually hit the bottom of it as they surface to breathe. The third impact is one most people don’t even think of. When there are numerous boats in the area, especially idling boats, there are a lot of exhaust fumes being spewed out on the surface of the water. When the whale comes up to take a nice big breath of “fresh” air, it instead gets a nice big breath of exhaust fumes. It’s hard to say how greatly this affects the animals, but think how breathing polluted air affects us (i.e., smog in large cities like Los Angeles, breathing the foul air while sitting in traffic jams, etc).

D
Similar to surface impacts, a primary source of acoustic pollution for this population of orcas would also be derived from the cumulative underwater noise of vessel traffic. For cetaceans, the underwater sound environment is perhaps the most critical component of their sensory and behavioural lives. Orcas communicate with each other over short and long distances with a variety of clicks, chirps, squeaks, and whistles, along with using echolocation to locate prey and to navigate. They may also rely on passive listening as a primary sensory source. The long-term impacts from noise pollution would not likely show up as noticeable behavioural changes in habitat use, but rather as sensory damage or gradual reduction in population health. A new study at The Whale Museum called the Sea-Sound Remote Sensing Network has begun studying underwater acoustics and its relationship to orca communication.

Questions 27-30. Reading Passage 3 has four sections (A-D). Choose the most suitable heading for each section from the list of headings below.

List of Headings

27. Section A
28. Section B
29. Section C
30. Section D 		I Top Ocean Predators
II Toxic Exposure
III Declining Fish Populations
IV Pleasure Boating in the San Juan Islands w Underwater Noise
V Underwater Noise
VI Smog in Large Cities
VII Impact of Boat Traffic

Write the appropriate number (I-VII) in boxes 27-30 on your Answer Sheet. There are more headings than sections, so you will not use all of them.

Questions 31-32 For each question, choose the appropriate letter A-D and write it in boxes 31 and 32 on your Answer Sheet

31. Killer whales (orcas) in the J, K, and L pods prefer to eat
A halibut.
В a type of salmon.
C a variety of animals.
D fish living at the bottom of the sea.

32. Some groups of salmon have become extinct because
A they have lost places to live.
В whales have eaten them.
C they don’t get good nutrition.
D the winters in the area are too cold.



Questions 33-40 Complete the chart below.
Choose NO MORE THAN THREE WORDS tor each answer. Write your answers in boxes 33-40 on your Answer Sheet.

CauseEffect
Scientists believe some whales feed 33…………………… These whales dive very deep.
Scientists believe that the area is being overfished. Rockfish caught today is 34…………………… than rockfish caught in the past
Orcas are at the top of the ocean food chain 35…………………… affects orcas more than it does other sea animals
Orcas are a 36………………….. species We can use orcas to make society aware of the problem of marine pollution
People enjoy boating, fishing, and whale watching in the San Juan Islands On weekends there are 37………………….. near the whales
Kayaks are 38…………………..
Marine animals hit them when they come up for air
A lot of boats keep their motors running Whales breathe 39…………………..
Boats are noisyWhales have difficulty 40…………………..

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THE RETURN OF THE HUARANGO IELTS READING

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Reading passage 1

The south coast of Peru is a narrow, 2,000-kilometre-long strip of desert squeezed between the Andes and the Pacific Ocean. It is also one of the most fragile ecosystems on Earth. It hardly ever rains there, and the only year-round source of water is located tens of metres below the surface. This is why the huarango tree is so suited to life there: it has the longest roots of any tree in the world. They stretch down 50-80 metres and, as well as sucking up water for the tree, they bring it into the higher subsoil, creating a water source for other plant life.

Dr David Beresford-Jones, archaeobotanist at Cambridge University, has been studying the role of the huarango tree in landscape change in the Lower lea Valley in southern Peru. He believes the huarango was key to the ancient people’s diet and, because it could reach deep water sources, it allowed local people to withstand years of drought when their other crops failed. But over the centuries huarango trees were gradually replaced with crops. Cutting down native woodland leads to erosion, as there is nothing to keep the soil in place. So when the huarangos go, the land turns into a desert. Nothing grows at all in the Lower lea Valley now.

For centuries the huarango tree was vital to the people of the neighbouring Middle lea Valley too. They grew vegetables under it and ate products made from its seed pods. Its leaves and bark were used for herbal remedies, while its branches were used for charcoal for cooking and heating, and its trunk was used to build houses. But now it is disappearing rapidly. The majority of the huarango forests in the valley have already been cleared for fuel and agriculture – initially, these were smallholdings, but now they’re huge farms producing crops for the international market.

‘Of the forests that were here 1,000 years ago, 99 per cent have already gone,’ says botanist Oliver Whaley from Kew Gardens in London, who, together with ethnobotanist Dr William Milliken, is rumiing a pioneering project to protect and restore the rapidly disappearing habitat. In order to succeed, Whaley needs to get the local people on board, and that has meant overcoming local prejudices. ‘Increasingly aspirational communities think that if you plant food trees in your home or street, it shows you are poor, and still need to grow your own food,’ he says. In order to stop the Middle lea Valley going the same way as the Lower lea Valley, Whaley is encouraging locals to love the huarangos again. ‘It’s a process of cultural resuscitation,’ he says. He has already set up a huarango festival to reinstate a sense of pride in their eco- heritage, and has helped local schoolchildren plant thousands of trees.

‘In order to get people interested in habitat restoration, you need to plant a tree that is useful to them,’ says Whaley. So, he has been working with local families to attempt to create a sustainable income from the huarangos by turning their products into foodstuffs. ‘Boil up the beans and you get this thick brown syrup like molasses. You can also use it in drinks, soups or stews.’ The pods can be ground into flour to make cakes, and the seeds roasted into a sweet, chocolatey ‘coffee’. ‘It’s packed full of vitamins and minerals,’ Whaley says.

And some farmers are already planting huarangos. Alberto Benevides, owner of lea Valley’s only certified organic farm, which Whaley helped set up, has been planting the tree for 13 years. He produces syrup and flour, and sells these products at an organic farmers’ market in Lima. His farm is relatively small and doesn’t yet provide him with enough to live on, but he hopes this will change. ‘The organic market is growing rapidly in Peru,’ Benevides says. ‘I am investing in the future.’

But even if Whaley can convince the local people to fall in love with the huarango again, there is still the threat of the larger farms. Some of these cut across the forests and break up the corridors that allow the essential movement of mammals, birds and pollen up and down the narrow forest strip. In the hope of counteracting this, he’s persuading farmers to let him plant forest corridors on their land. He believes the extra woodland will also benefit the farms by reducing their water usage through a lowering of evaporation and providing a refuge for bio- control insects.

‘If we can record biodiversity and see how it all works, then we’re in a good position to move on from there. Desert habitats can reduce down to very little,’ Whaley explains. ‘It’s not like a rainforest that needs to have this huge expanse. Life has always been confined to corridors and islands here. If you just have a few trees left, the population can grow up quickly because it’s used to exploiting water when it arrives.’ He sees his project as a model that has the potential to be rolled out across other arid areas around the world. ‘If we can do it here, in the most fragile system on Earth, then that’s a real message of hope for lots of places, including Africa, where there is drought and they just can’t afford to wait for rain.’



Questions 1-5
Complete the notes below. Choose ONE WORD ONLY from the passage for each answer.

The importance of the huarango tree

• its roots can extend as far as 80 metres into the soil
• can access (1)……………….. deep below the surface
• was a crucial part of local inhabitants’ (2) ……………….. a long time ago
• helped people to survive periods of (3) ………………..
• prevents (4)……………….. of the soil
• prevents land from becoming a (5) ……………..

Questions 6-8
Complete the table below. Choose NO MORE THAN TWO WORDS from the passage for each answer.

Traditional uses of huarango tree
Part of treeTraditional use
6……………………….Fuel
7…………………….. and …………………..Medicine
8………………………Construction

Questions 9-13
Do the following statements agree with the information given in Reading Passage 1? In boxes 9-13, write

TRUE if the statement agrees with the information
FALSE if the statement contradicts the information
NOT GIVEN if there is no information on this

9. Local families have told Whaley about some traditional uses of huarango products.
10. Farmer Alberto Benevides is now making a good profit from growing huarangos.
11. Whaley needs the co-operation of farmers to help preserve the area’s wildlife.
12. For Whaley’s project to succeed, it needs to be extended over a very large area.
13. Whaley has plans to go to Africa to set up a similar project.


Reading passage 2


Silbo Gomero – the whistle ‘language’ of the Canary Islands

La Gomera is one of the Canary Islands situated in the Atlantic Ocean off the northwest coast of Africa. This small volcanic island is mountainous, with steep rocky slopes and deep, wooded ravines, rising to 1,487 metres at its highest peak. It is also home to the best known of the world’s whistle languages’, a means of transmitting information over long distances which is perfectly adapted to the extreme terrain of the island.

This ‘language’, known as ‘Silbo’ or ‘Silbo Gomero’ – from the Spanish word for ‘whistle’ – is now shedding light on the language-processing abilities of the human brain, according to scientists. Researchers say that Silbo activates parts of the brain normally associated with spoken language, suggesting that the brain is remarkably flexible in its ability to interpret sounds as language.

‘Science has developed the idea of brain areas that are dedicated to language, and we are starting to understand the scope of signals that can be recognised as language,’ says David Corina, co-author of a recent study and associate professor of psychology at the University of Washington in Seattle.

Silbo is a substitute for Spanish, with individual words recoded into whistles which have high- and low- frequency tones. A whistler – or silbador – puts a finger in his or her mouth to increase the whistle’s pitch, while the other hand can be cupped to adjust the direction of the sound. ‘There is much more ambiguity in the whistled signal than in the spoken signal,’ explains lead researcher Manuel Carreiras, psychology professor at the University of La Laguna on the Canary island of Tenerife. Because whistled ‘words’ can be hard to distinguish, silbadores rely on repetition, as well as awareness of context, to make themselves understood.

The silbadores of Gomera are traditionally shepherds and other isolated mountain folk, and their novel means of staying in touch allows them to communicate over distances of up to 10 kilometres. Carreiras explains that silbadores are able to pass a surprising amount of information via their whistles. ‘In daily life they use whistles to communicate short commands, but any Spanish sentence could be whistled.’ Silbo has proved particularly useful when fires have occurred on the island and rapid communication across large areas has been vital.

The study team used neuroimaging equipment to contrast the brain activity of silbadores while listening to whistled and spoken Spanish. Results showed the left temporal lobe of the brain, which is usually associated with spoken language, was engaged during the processing of Silbo. The researchers found that other key regions in the brain’s frontal lobe also responded to the whistles, including those activated in response to sign language among deaf people. When the experiments were repeated with non- whistlers, however, activation was observed in all areas of the brain.

‘Our results provide more evidence about the flexibility of human capacity for language in a variety of forms,’ Gorina says. ‘These data suggest that left-hemisphere language regions are uniquely adapted for communicative purposes, independent of the modality of signal. The non- Silbo speakers were not recognising Silbo as a language. They had nothing to grab onto, so multiple areas of their brains were activated.’

Carreiras says the origins of Silbo Gomero remain obscure, but that indigenous Canary Islanders, who were of North African origin, already had a whistled language when Spain conquered the volcanic islands in the 15th century Whistled languages survive-today in Papua New Guinea, Mexico, Vietnam, Guyana, China, Nepal, Senegal, and a few mountainous pockets in southern Europe. There are thought to be as many as 70 whistled languages still in use, though only 12 have been described and studied scientifically. This form of communication is an adaptation found among cultures where people are often isolated from each other, according to Julien Meyer, a researcher at the Institute of Human Sciences in Lyon, France. ‘They are mostly used in mountains or dense forests,’ he says. ‘Whistled languages are quite clearly defined and represent an original adaptation of the spoken language for the needs of isolated human groups.’

But with modern communication technology now widely available, researchers say whistled languages like Silbo are threatened with extinction. With dwindling numbers of Gomera islanders still fluent in the language, Canaries’ authorities are taking steps to try to ensure its survival. Since 1999, Silbo Gomero has been taught in all of the island’s elementary schools. In addition, locals are seeking assistance from the United Nations Educational, Scientific and Cultural Organization (UNESCO). ‘The local authorities are trying to get an award from the organisation to declare (Silbo Gomero) as something that should be preserved for humanity,’ Carreiras adds.



Questions 14-19
Do the following statements agree with the information given in Reading Passage 2? In boxes 14-19, write
TRUE if the statement agrees with the information
FALSE if the statement contradicts the information
NOT GIVEN if there is no information on this

14. La Gomera is the most mountainous of all the Canary Islands.
15. Silbo is only appropriate for short and simple messages.
16. In the brain-activity study, silbadores and non-whistlers produced different results.
17. The Spanish introduced Silbo to the islands in the 15th century.
18. There is precise data available regarding all of the whistle languages in existence today.
19. The children of Gomera now learn Silbo.

Questions 20-26
Complete the notes below. Choose ONE WORD ONLY from the passage for each answer.

Silbo Gomero

How Silbo is produced
• high- and low-frequency tones represent different sounds in Spanish (20) ………………
• pitch of whistle is controlled using silbador’s (21) ………………
• (22)………………… is changed with a cupped hand

How Silbo is used
• has long been used by shepherds and people living in secluded locations
• in everyday use for the transmission of brief (23) ……………..
• can relay essential information quickly, e.g. to inform people about (24) ……………..

The future of Silbo
• future under threat because of new (25) ………………
• Canaries’ authorities hoping to receive a UNESCO (26)……………….. to help preserve it



Reading passage 3

Environmental practices of big businesses

The environmental practices of big businesses are shaped by a fundamental fact that for many of us offends our sense of justice. Depending on the circumstances, a business may maximize the amount of money it makes, at least in the short term, by damaging the environment and hurting people. That is still the case today for fishermen in an unmanaged fishery without quotas, and for international logging companies with short-term leases on tropical rainforest land in places with corrupt officials and unsophisticated landowners. When government regulation is effective, and when the public is environmentally aware, environmentally clean big businesses may out-compete dirty ones, but the reverse is likely to be true if government regulation is ineffective and if the public doesn’t care.

It is easy for the rest of us to blame a business for helping itself by hurting other people. But blaming alone is unlikely to produce change. It ignores the fact that businesses are not charities but profit-making companies, and that publicly owned companies with shareholders are under obligation to those shareholders to maximize profits, provided that they do so by legal means. US laws make a company’s directors legally liable for something termed ‘breach of fiduciary responsibility’ if they knowingly manage a company in a way that reduces profits. The car manufacturer Henry Ford was in fact successfully sued by shareholders in 1919 for raising the minimum wage of his workers to $5 per day: the courts declared that, while Ford’s humanitarian sentiments about his employees were nice, his business existed to make profits for its stockholders.

Our blaming of businesses also ignores the ultimate responsibility of the public for creating the conditions that let a business profit through destructive environmental policies. In the long run, it is the public, either directly or through its politicians, that has the power to make such destructive policies unprofitable and illegal, and to make sustainable environmental policies profitable.

The public can do that by suing businesses for harming them, as happened after the Exxon Valdez disaster, in which over 40,000 m3 of oil were spilled off the coast of Alaska. The public may also make their opinion felt by preferring to buy sustainably harvested products; by making employees of companies with poor track records feel ashamed of their company and complain to their own management; by preferring their governments to award valuable contracts to businesses with a good environmental track record; and by pressing their governments to pass and enforce laws and regulations requiring good environmental practices.

In turn, big businesses can exert powerful pressure on any suppliers that might ignore public or government pressure. For instance, after the US public became concerned about the spread of a disease known as BSE, which was transmitted to humans through infected meat, the US government’s Food and Drug Administration introduced rules demanding that the meat industry abandon practices associated with the risk of the disease spreading. But for five years the meat packers refused to follow these, claiming that they would be too expensive to obey.

However, when a major fast-food company then made the same demands after customer purchases of its hamburgers plummeted, the meat industry complied within weeks. The public’s task is therefore to identify which links in the supply chain are sensitive to public pressure: for instance, fast-food chains or jewelry stores, but not meat packers or gold miners.

Some readers may be disappointed or outraged that I place the ultimate responsibility for business practices harming the public on the public itself. I also believe that the public must accept the necessity for higher prices for products to cover the added costs, if any, of sound environmental practices. My views may seem to ignore the belief that businesses should act in accordance with moral principles even if this leads to a reduction in their profits. But I think we have to recognize that, throughout human history, in all politically complex human societies, government regulation has arisen precisely because it was found that not only did moral principles need to be made explicit, they also needed to be enforced.

To me, the conclusion that the public has the ultimate responsibility for the behavior of even the biggest businesses is empowering and hopeful, rather than disappointing. My conclusion is not a moralistic one about who is right or wrong, admirable or selfish, a good guy or a bad guy. In the past, businesses have changed when the public came to expect and require different behavior, to reward businesses for behavior that the public wanted, and to make things difficult for businesses practicing behaviors that the public didn’t want. I predict that in the future, just as in the past, changes in public attitudes will be essential for changes in businesses’ environmental practices.



Questions 27-31
Complete the summary using the list of words, A-I, below.

Big businesses

Many big businesses today are prepared to harm people and the environment in order to make money, and they appear to have no (27)…………………. Lack of (28)………………. by governments and lack of public (29)……………….. can lead to environmental problems such as (30)………………. or the destruction of (31)……………

A funding
B trees
C rare species
D moral standards
E control
F involvement
G flooding
H overfishing
I worker support

Questions 32-34
Choose the correct letter, A, B, C or D.
32. The main idea of the third paragraph is that environmental damage

A requires political action if it is to be stopped.
B is the result of ignorance on the part of the public.
C could be prevented by the action of ordinary people.
D can only be stopped by educating business leaders.

33. In the fourth paragraph, the writer describes ways in which the public can

A reduce their own individual impact on the environment.
B learn more about the impact of business on the environment.
C raise awareness of the effects of specific environmental disasters.
D influence the environmental policies of businesses and governments.

34. What pressure was exerted by big business in the case of the disease BSE?

A Meat packers stopped supplying hamburgers to fast-food chains.
B A fast-food company forced their meat suppliers to follow the law.
C Meat packers persuaded the government to reduce their expenses.
D A fast-food company encouraged the government to introduce legislation.



Questions 35-39
Do the following statements agree with the claims of the writer in Reading Passage 3? In boxes 35-39, write

YES if the statement agrees with the claims of the writer
NO if the statement contradicts the claims of the writer
NOT GIVEN if it is impossible to say what the writer thinks about this

35. The public should be prepared to fund good environmental practices.

36. There is a contrast between the moral principles of different businesses.

37. It is important to make a clear distinction between acceptable and unacceptable behaviour.

38. The public have successfully influenced businesses in the past.

39. In the future, businesses will show more concern for the environment.

Question 40

Choose the correct letter, A, B, C or B.

40. What would be the best subheading for this passage?

A Will the world survive the threat caused by big businesses?
B How can big businesses be encouraged to be less driven by profit?
C What environmental dangers are caused by the greed of businesses?
D Are big businesses to blame for the damage they cause the environment?

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THE MAGIC OF KEFIR IELTS READING

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Reading passage 1

A. The shepherds of the North Caucasus region of Europe were only trying to transport milk the best way they knew how – in leather pouches strapped to the side of donkeys – when they made a significant discovery. A fermentation process would sometimes inadvertently occur en route, and when the pouches were opened upon arrival they would no longer contain milk but rather a pungent, effervescent, low alcoholic substance instead. This unexpected development was a blessing in disguise. The new drink – which acquired the name kefir – turned out to be a health tonic, a naturally-preserved dairy product and tasty addition to our culinary repertoire.

B. Although their exact origin remains a mystery, we do know that yeast-based kefir grains have always been at the root of the kefir phenomenon. These grains are capable of a remarkable feat: in contradistinction to most other items you might find in a grocery store, they actually expand and propagate with use. This is because the grains, which are granular to the touch and bear a slight resemblance to cauliflower rosettes, house active cultures that feed on lactose when added to milk. Consequently, a bigger problem for most kefir drinkers is not where to source new kefir grains, but what to do with the ones they already have!

C. The great thing about kefir is that it does not require a manufacturing line in order to be produced. Grains can be simply thrown in with a batch of milk for ripening to begin. The mixture then requires a cool, dark place to live and grow, with periodic unsettling to prevent clumping (Caucasus inhabitants began storing the concoction in animal-skin satchels on the back of doors – every time someone entered the room the mixture would get lightly shaken). After about 24 hours the yeast cultures in the grains have multiplied and devoured most of the milk sugars, and the final product is then ready for human consumption.

D. Nothing compares to a person’s first encounter with kefir. The smooth, uniform consistency rolls over the tongue in a manner akin to liquefied yogurt. The sharp, tart pungency of unsweetened yogurt is there too, but there is also a slight hint of effervescence, something most users will have previously associated only with mineral waters, soda or beer. Kefir also comes with a subtle aroma of yeast, and depending on the type of milk and ripening conditions, ethanol content can reach up to two or three percent – about on par with a decent lager – although you can expect around 0.8 to one per cent for a typical day-old preparation. This can bring out a tiny edge of alcohol in the kefir’s flavour.

E. Although it has prevailed largely as a fermented milk drink, over the years kefir has acquired a number of other uses. Many bakers use it instead of starter yeast in the preparation of sourdough, and the tangy flavour also makes kefir an ideal buttermilk substitute in pancakes. Kefir also accompanies sour cream as one of the main ingredients in cold beetroot soup and can be used in lieu of regular cow’s milk on granola or cereal. As a way to keep their digestive systems fine-tuned, athletes sometimes combine kefir with yoghurt in protein shakes.

F. Associated for centuries with pictures of Slavic babushkas clutching a shawl in one hand and a cup of kefir in the other, the unassuming beverage has become a minor celebrity of the nascent health food movement in the contemporary West. Every day, more studies pour out supporting the benefits of a diet high in probiotics1. This trend toward consuming probiotics has engulfed the leisure classes in these countries to the point that it is poised to become, according to some commentators, “the next multivitamin”. These days the word kefir is consequently more likely to bring to mind glamorous, yoga mat-toting women from Los Angeles than austere visions of blustery Eastern Europe.

G. Kefir’s rise in popularity has encouraged producers to take short cuts or alter the production process. Some home users have omitted the ripening and culturation process while commercial dealers often add thickeners, stabilisers and sweeteners. But the beauty of kefir is that, at its healthiest and tastiest, it is a remarkably affordable, uncluttered process, as any accidental invention is bound to be. All that is necessary are some grains, milk and a little bit of patience. A return to the unadulterated kefir-making of old is in everyone’s interest.

1 Probiotic = substance containing beneficial and intestine-friendly microorganisms



Questions 1-7. Reading Passage 1 has seven paragraphs, A–G. Choose the correct heading for each paragraph from the list of headings below. Write the correct number, i–x, in boxes 1–7 on your answer sheet.

List of Headings

i A unique sensory experience
ii Getting back to basics
iii The gift that keeps on giving
iv Variations in alcohol content
v Old methods of transportation
vi Culinary applications
vii Making kefir
viii A fortunate accident
ix Kefir gets an image makeover
x Ways to improve taste


1 Section A
2 Section B
3 Section C
4 Section D
5 Section E
6 Section F
7 Section G

QUESTIONS 8–11. Answer the questions below using NO MORE THAN TWO WORDS from the passage for each answer. Write your answers in boxes 8–11 on your answer sheet.

8 What do kefir grains look like?
9 What needs to happen to kefir while it is ripening?
10 What will the yeast cultures have consumed before kefir is ready to drink?
11 The texture of kefir in the mouth is similar to what?
Questions 12 and 13 Choose TWO letters, A–E. Write the correct letters in boxes 12 and 13 on your answer sheet.

Which TWO products are NOT mentioned as things which kefir can replace?

A Ordinary cow’s milk
B Buttermilk
C Sour cream
D Starter yeast
E Yoghurt

Reading passage 2.

You should spend about 20 minutes on Questions 14-26 which are based on Reading Passage 2 below.

FOOD FOR THOUGHT


A. Why not eat insects? So asked British entomologist Vincent M. Holt in the title of his 1885 treatise on the benefits of what he named entomophagy – the consumption of insects (and similar creatures) as a food source. The prospect of eating dishes such as “wireworm sauce” and “slug soup” failed to garner favour amongst those in the stuffy, proper, Victorian social milieu of his time, however, and Holt’s visionary ideas were considered at best eccentric, at worst an offense to every refined palate. Anticipating such a reaction, Holt acknowledged the difficulty in unseating deep-rooted prejudices against insect cuisine, but quietly asserted his confidence that “we shall some day quite gladly cook and eat them”.

B. It has taken nearly 150 years but an eclectic Western-driven movement has finally mounted around the entomophagic cause. In Los Angeles and other cosmopolitan Western cities, insects have been caught up in the endless pursuit of novel and authentic delicacies. “Eating grasshoppers is a thing you do here”, bug-supplier Bricia Lopez has explained. “There’s more of a ‘cool’ factor involved.” Meanwhile, the Food and Agricultural Organization has considered a policy paper on the subject, initiated farming projects in Laos, and set down plans for a world congress on insect farming in 2013.

C. Eating insects is not a new phenomenon. In fact, insects and other such creatures are already eaten in 80 per cent of the world’s countries, prepared in customary dishes ranging from deep-fried tarantula in Cambodia to bowls of baby bees in China. With the specialist knowledge that Western companies and organisations can bring to the table, however, these hand-prepared delicacies have the potential to be produced on a scale large enough to lower costs and open up mass markets. A new American company, for example, is attempting to develop pressurisation machines that would de-shell insects and make them available in the form of cutlets. According to the entrepreneur behind the company, Matthew Krisiloff, this will be the key to pleasing the uninitiated palate.

D. Insects certainly possess some key advantages over traditional Western meat sources. According to research findings from Professor Arnold van Huis, a Dutch entomologist, breeding insects results in far fewer noxious by-products. Insects produce less ammonia than pig and poultry farming, ten times less methane than livestock, and 300 times less nitrous oxide. Huis also notes that insects – being cold-blooded creatures – can convert food to protein at a rate far superior to that of cows, since the latter exhaust much of their energy just keeping themselves warm.

E. Although insects are sometimes perceived by Westerners as unhygienic or disease-ridden, they are a reliable option in light of recent global epidemics (as Holt pointed out many years ago, insects are “decidedly more particular in their feeding than ourselves”). Because bugs are genetically distant from humans, species- hopping diseases such as swine flu or mad cow disease are much less likely to start or spread amongst grasshoppers or slugs than in poultry and cattle. Furthermore, the squalid, cramped quarters that encourage diseases to propagate among many animal populations are actually the residence of choice for insects, which thrive in such conditions.

F. Then, of course, there are the commercial gains. As FAO Forestry Manager Patrick Durst notes, in developing countries many rural people and traditional forest dwellers have remarkable knowledge about managing insect populations to produce food. Until now, they have only used this knowledge to meet their own subsistence needs, but Durst believes that, with the adoption of modern technology and improved promotional methods, opportunities to expand the market to new consumers will flourish. This could provide a crucial step into the global economic arena for those primarily rural, impoverished populations who have been excluded from the rise of manufacturing and large-scale agriculture.

G. Nevertheless, much stands in the way of the entomophagic movement. One problem is the damage that has been caused and continues to be caused, by Western organisations prepared to kill off grasshoppers and locusts – complete food proteins – in favour of preserving the incomplete protein crops of millet, wheat, barley and maize. Entomologist Florence Dunkel has described the consequences of such interventions. While examining children’s diets as a part of her field work in Mali, Dunkel discovered that a protein deficiency syndrome called kwashiorkor was increasing in incidence. Children in the area were once protected against kwashiorkor by a diet high in grasshoppers, but these had become unsafe to eat after pesticide use in the area increased.

H. A further issue is the persistent fear many Westerners still have about eating insects. “The problem is the ick factor—the eyes, the wings, the legs,” Krisiloff has said. “It’s not as simple as hiding it in a bug nugget. People won’t accept it beyond the novelty. When you think of a chicken, you think of a chicken breast, not the eyes, wings, and beak.” For Marcel Dicke, the key lies in camouflaging the fact that people are eating insects at all. Insect flour is one of his propositions, as is changing the language of insect cuisine. “If you say it’s mealworms, it makes people think of ringworm”, he notes. “So stop saying ‘worm’. If we use Latin names, say it’s a Tenebrio quiche, it sounds much more fancy”. For Krisiloff, Dicke and others, keeping quiet about the gritty reality of our food is often the best approach.

I. It is yet to be seen if history will truly redeem Vincent Holt and his suggestion that British families should gather around their dining tables for a breakfast of “moths on toast”. It is clear, however, that entomophagy, far from being a kooky sideshow to the real business of food production, has much to offer in meeting the challenges that global societies in the 21st century will face.



QUESTIONS 14-21. READING PASSAGE 2 has nine paragraphs, A–I. Choose the correct heading for paragraphs A–H from the list of headings below. Write the correct number, i–xi, in boxes 14–21 on your answer sheet.


List of Headings

i A historical delicacy
ii The poor may benefit
iii Presentation is key to changing attitudes
iv Environmentally friendly production
v Tradition meets technology
vi A cultural pioneer
vii Western practices harm locals
viii Good source of nutrients
ix Growing popularity
x A healthy choice
xi A safety risk

14 Section A
15 Section B
16 Section C
17 Section D
18 Section E
19 Section F
20 Section G
21 Section H

Questions 22–26. Complete the notes below. Choose NO MORE THAN THREE WORDS from the passage for each answer. Write your answers in boxes 22–26 on your answer sheet.

Van Huis: Insects are cleaner & do not release as many harmful gases
Insects use food intake economically in the production of protein as they waste less 22…………………
Durst: Traditional knowledge could be combined with modern methods for mass production instead of just covering 23………………… This could help 24……………….. people gain access to world markets.
Dunkel: Due to increased 25…………………, more children in Mali are suffering from 26…………………

Reading passage 3

You should spend about 20 minutes on Questions 27-40 which are based on Reading Passage 3 below.

Love stories

“Love stories” are often associated – at least in the popular imagination – with fairy tales, adolescent day dreams, Disney movies and other frivolous pastimes. For psychologists developing taxonomies2 of affection and attachment, however, this is an area of rigorous academic pursuit. Beginning in the early 1970s with the groundbreaking contributions of John Alan Lee, researchers have developed classifications that they believe better characterise our romantic predispositions. This involves examining not a single, universal, emotional expression (“love”), but rather a series of divergent behaviours and narratives that each has an individualised purpose, desired outcome and state of mind. Lee’s gritty methodology painstakingly involved participants matching 170 typical romantic encounters (e.g., “The night after I met X…”) with nearly 1500 possible reactions (“I could hardly get to sleep” or “I wrote X a letter”). The patterns unknowingly expressed by respondents culminated in a taxonomy of six distinct love “styles” that continue to inform research in the area forty years later.

The first of these styles – eros – is closely tied in with images of romantic love that are promulgated in Western popular culture. Characteristic of this style is a passionate emotional intensity, a strong physical magnetism – as if the two partners were literally being “pulled” together – and a sense of inevitability about the relationship. A related but more frantic style of love called mania involves an obsessive, compulsive attitude toward one’s partner. Vast swings in mood from ecstasy to agony – dependent on the level of attention a person is receiving from his or her partner – are typical of manic love.

Two styles were much more subdued, however. Storge is a quiet, companionate type of loving – “love by evolution” rather than “love by revolution”, according to some theorists. Relationships built on a foundation of platonic affection and caring are archetypal of storge. When care is extended to a sacrificial level of doting, however, it becomes another style – agape. In an agape relationship one partner becomes a “caretaker”, exalting the welfare of the other above his or her own needs.

The final two styles of love seem to lack aspects of emotion and reciprocity altogether. The ludus style envisions relationships primarily as a game in which it is best to “play the field” or experience a diverse set of partners over time. Mutually-gratifying outcomes in relationships are not considered necessary, and deception of a partner and lack of disclosure about one’s activities are also typical. While Lee found that college students in his study overwhelmingly disagreed with the tenets of this style, substantial numbers of them acted in a typically ludic style while dating, a finding that proves correct the deceit inherent in ludus. Pragma lovers also downplayed emotive aspects of relationships but favoured practical, sensible connections. Successful arranged marriages are a great example of pragma, in that the couple decides to make the relationship work; but anyone who seeks an ideal partner with a shopping list of necessary attributes (high salary, same religion, etc.) fits the classification.

Robert J. Sternberg’s contemporary research on love stories has elaborated on how these narratives determine the shape of our relationships and our lives. Sternberg and others have proposed and tested the theory of love as a story, “whereby the interaction of our personal attributes with the environment – which we in part create – leads to the development of stories about love that we then seek to fulfil, to the extent possible, in our lives.”

Sternberg’s taxonomy of love stories numbers far more, at twenty-six, than Lee’s taxonomy of love styles, but as Sternberg himself admits there is plenty of overlap. The seventh story, Game, coincides with ludus, for example, while the nineteenth story, Sacrifice, fits neatly on top of agape. Sternberg’s research demonstrates that we may have predilections toward multiple love stories, each represented in a mental hierarchy and varying in weight in terms of their personal significance. This explains the frustration many of us experience when comparing potential partners. One person often fulfils some expected narratives – such as a need for mystery and fantasy – while lacking the ability to meet the demands of others (which may lie in direct contradiction). It is also the case that stories have varying abilities to adapt to a given cultural milieu and its respective demands. Love stories are, therefore, interactive and adaptive phenomena in our lives rather than rigid prescriptions.

Steinberg also explores how our love stories interact with the love stories of our partners. What happens when someone who sees love as art collides with someone who sees love as a business? Can a Sewing story (love is what you make it) co-exist with a Theatre story (love is a script with predictable acts, scenes and lines)? Certainly, it is clear that we look for partners with love stories that complement and are compatible with our own narratives. But they do not have to be an identical match. Someone who sees love as mystery and art, for example, might locate that mystery better in a partner who views love through a lens of business and humour. Not all love stories, however, are equally well predisposed to relationship longevity; stories that view love as a game, as a kind of surveillance or as addiction are all unlikely to prove durable.

Research on love stories continues apace. Defying the myth that rigorous science and the romantic persuasions of ordinary people are incompatible, this research demonstrates that good psychology can clarify and comment on the way we give affection and form attachments. ————— 2 Taxonomy = the science of classifying and categorising data.

Questions 27-34. Look at the following statements (Questions 27–34) and the list of styles in the box below. Match each statement with the correct term, A–F. Write the correct letter, A–F, in boxes 27–34 on your answer sheet. NB You may use any letter more than once.



27 My most important concern is that my partner is happy.

28 I enjoy having many romantic partners.

29 I feel that my partner and I were always going to end up together.

30 I want to be friends first and then let romance develop later.

31 I always feel either very excited or absolutely miserable about my relationship.

32 I prefer to keep many aspects of my love life to myself.

33 When I am in love, that is all I can think about.

34 I know before I meet someone what qualities I need in a partner.

List of Love Styles

A Eros
B Mania
C Storge
D Agape
E Ludus
F Pragma



Questions 35–40. Do the following statements agree with the claims of the writer in Reading Passage 3? In boxes 35–40 on your answer sheet, write

YES if the statement agrees with the claims of the writer
NO if the statement contradicts the claims of the writer
NOT GIVEN if it is impossible to say what the writer thinks about this

35 People’s notions of love affect their relationships, rather than vice versa.

36 Some of our love stories are more important to us than others.

37 Our love stories can change to meet the needs of particular social environments.

38 We look for romantic partners with a love story just like our own.

39 The most successful partners have matching love stories.

40 No love story is more suited to a long relationship than any other.

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THE IMPACT OF WILDERNESS TOURISM IELTS READING

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Reading passage 1

A. The market for tourism in remote areas is booming as never before. Countries all across the world are actively promoting their ‘wilderness’ regions – such as mountains, Arctic lands, deserts, small islands and wetlands – to high-spending tourists. The attraction of these areas is obvious: by definition, wilderness tourism requires little or no initial investment. But that does not mean that there is no cost. As the 1992 United Nations Conference on Environment and Development recognised, these regions are fragile (i.e. highly vulnerable to abnormal pressures) not just in terms of their ecology, but also in terms of the culture of their inhabitants. The three most significant types of fragile environment in these respects, and also in terms of the proportion of the Earth’s surface they cover, are deserts, mountains and Arctic areas. An important characteristic is their marked seasonality, with harsh conditions prevailing for many months each year. Consequently, most human activities, including tourism, are limited to quite clearly defined parts of the year.

Tourists are drawn to these regions by their natural landscape beauty and the unique cultures of their indigenous people. And poor governments in these isolated areas have welcomed the new breed of ‘adventure tourist’, grateful for the hard currency they bring. For several years now, tourism has been the prime source of foreign exchange in Nepal and Bhutan. Tourism is also a key element in the economies of Arctic zones such as Lapland and Alaska and in desert areas such as Ayers Rock in Australia and Arizona’s Monument Valley.

B. Once a location is established as a main tourist destination, the effects on the local community are profound. When hill-farmers, for example, can make more money in a few weeks working as porters for foreign trekkers than they can in a year working in their fields, it is not surprising that many of them give up their farm-work, which is thus left to other members of the family. In some hill-regions, this has led to a serious decline in farm output and a change in the local diet, because there is insufficient labour to maintain terraces and irrigation systems and tend to crops. The result has been that many people in these regions have turned to outside supplies of rice and other foods.

In Arctic and desert societies, year-round survival has traditionally depended on hunting animals and fish and collecting fruit over a relatively short season. However, as some inhabitants become involved in tourism, they no longer have time to collect wild food; this has led to increasing dependence on bought food and stores. Tourism is not always the culprit behind such changes. All kinds of wage labour, or government handouts, tend to undermine traditional survival systems. Whatever the cause, the dilemma is always the same: what happens if these new, external sources of income dry up?

The physical impact of visitors is another serious problem associated with the growth in adventure tourism. Much attention has focused on erosion along major trails, but perhaps more important are the deforestation and impacts on water supplies arising from the need to provide tourists with cooked food and hot showers. In both mountains and deserts, slow- growing trees are often the main sources of fuel and water supplies may be limited or vulnerable to degradation through heavy use.

C. Stories about the problems of tourism have become legion in the last few years. Yet it does not have to be a problem. Although tourism inevitably affects the region in which it takes place, the costs to these fragile environments and their local cultures can be minimized. Indeed, it can even be a vehicle for reinvigorating local cultures, as has happened with the Sherpas of Nepal’s Khumbu Valley and in some Alpine villages. And a growing number of adventure tourism operators are trying to ensure that their activities benefit the local population and environment over the long term.

In the Swiss Alps, communities have decided that their future depends on integrating tourism more effectively with the local economy. Local concern about the rising number of second home developments in the Swiss Pays d’Enhaut resulted in limits being imposed on their growth. There has also been a renaissance in communal cheese production in the area, providing the locals with a reliable source of income that does not depend on outside.

Many of the Arctic tourist destinations have been exploited by outside companies, who employ transient workers and repatriate most of the profits to their home base. But some Arctic communities are now operating tour businesses themselves, thereby ensuring that the benefits accrue locally. For instance, a native corporation in Alaska, employing local people, is running an air tour from Anchorage to Kotzebue, where tourists eat Arctic food, walk on the tundra and watch local musicians and dancers.

Native people in the desert regions of the American Southwest have followed similar strategies, encouraging tourists to visit their pueblos and reservations to purchase high-quality handicrafts and artwork. The Acoma and San Ildefonso pueblos have established highly profitable pottery businesses, while the Navajo and Hopi groups have been similarly successful with jewellery.

Too many people living in fragile environments have lost control over their economies, their culture and their environment when tourism has penetrated their homelands. Merely restricting tourism cannot be the solution to the imbalance, because people’s desire to see new places will not just disappear. Instead, communities in fragile environments must achieve greater control over tourism ventures in their regions; in order to balance their needs and aspirations with the demands of tourism. A growing number of communities are demonstrating that, with firm communal decision-making, this is possible. The critical question now is whether this can become the norm, rather than the exception.



Questions 1-3
Reading Passage 1 has three section, A-C.
Choose the correct heading for each section from the list of headings below. Write the correct number I-VI in boxes 1-3 on your answer sheet.

List of Headings

I The expansion of international tourism in recent years
II How local communities can balance their own needs with the demands of wilderness tourism
III Fragile regions and the reasons for the expansion of tourism there
IV Traditional methods of food-supply in fragile regions
V Some of the disruptive effects of wilderness tourism
VI The economic benefits of mass tourism

1 Section A
2 Section B
3 Section C

Questions 4-9
Do the following statements reflect the claims of the writer in Reading Passage 1?

YES if the statement reflects the claims of the writer
NO if the statement contradicts the claims of the writer
NOT GIVEN if it is impossible to say what the writer thinks about this

4 The low financial cost of setting up wilderness tourism makes it attractive to many countries.
5 Deserts, mountains and Arctic regions are examples of environments that are both ecologically and culturally fragile.
6 Wilderness tourism operates throughout the year in fragile areas.
7 The spread of tourism in certain hill-regions has resulted in a fall in the amount of food produced locally.
8 Traditional food-gathering in desert societies was distributed evenly over the year.
9 Government handouts do more damage than tourism does to traditional patterns of food- gathering.



Questions 10-13
Choose ONE WORD from Reading Passage 1 for each answer.

The positive ways in which some local communities have responded to tourism
People/LocationActivity
Swiss Pays d’Enhaut Revived production of 10………………….
Arctic communities Operate 11…………………. businesses
Acoma and San Ildefonso Produce and sell 12………………….
Navajo and Hopi Activity Produce and sell 13………………….

Reading passage 2

Flawed Beauty: the problem with toughened glass



On 2nd August 1999, a particularly hot day in the town of Cirencester in the UK, a large pane of toughened glass in the roof of a shopping centre at Bishops Walk shattered without warning and fell from its frame. When fragments were analysed by experts at the giant glass manufacturer Pilkington, which had made the pane, they found that minute crystals of nickel sulphide trapped inside the glass had almost certainly caused the failure.

‘The glass industry is aware of the issue,’ says Brian Waldron, chairman of the standards committee at the Glass and Glazing Federation, a British trade association, and standards development officer at Pilkington. But he insists that cases are few and far between. ‘It’s a very rare phenomenon,’ he says.

Others disagree. ‘On average I see about one or two buildings a month suffering from nickel sulphide related failures,’ says Barrie Josie, a consultant engineer involved in the Bishops Walk investigation. Other experts tell of similar experiences. Tony Wilmott of London-based consulting engineers Sandberg, and Simon Armstrong at CladTech Associates in Hampshire both say they know of hundreds of cases. ‘What you hear is only the tip of the iceberg,’ says Trevor Ford, a glass expert at Resolve Engineering in Brisbane, Queensland. He believes the reason is simple: ‘No-one wants bad press.’

Toughened glass is found everywhere, from cars and bus shelters to the windows, walls and roofs of thousands of buildings around the world. It’s easy to see why. This glass has five times the strength of standard glass, and when it does break it shatters into tiny cubes rather than large, razor-sharp shards. Architects love it because large panels can be bolted together to make transparent walls, and turning it into ceilings and floors is almost as easy.

It is made by heating a sheet of ordinary glass to about 620°C to soften it slightly, allowing its structure to expand, and then cooling it rapidly with jets of cold air. This causes the outer layer of the pane to contract and solidify before the interior. When the interior finally solidifies and shrinks, it exerts a pull on the outer layer that leaves it in permanent compression and produces a tensile force inside the glass. As cracks propagate best in materials under tension, the compressive force on the surface must be overcome before the pane will break, making it more resistant to cracking.

The problem starts when glass contains nickel sulphide impurities. Trace amounts of nickel and sulphur are usually present in the raw materials used to make glass, and nickel can also be introduced by fragments of nickel alloys falling into the molten glass. As the glass is heated, these atoms react to form tiny crystals of nickel sulphide. Just a tenth of a gram of nickel in the furnace can create up to 50,000 crystals.

These crystals can exist in two forms: a dense form called the alpha phase, which is stable at high temperatures, and a less dense form called the beta phase, which is stable at room temperatures. The high temperatures used in the toughening process convert all the crystals to the dense, compact alpha form.

But the subsequent cooling is so rapid that the crystals don’t have time to change back to the beta phase. This leaves unstable alpha crystals in the glass, primed like a coiled spring, ready to revert to the beta phase without warning.

When this happens, the crystals expand by up to 4%. And if they are within the central, tensile region of the pane, the stresses this unleashes can shatter the whole sheet. The time that elapses before failure occurs is unpredictable. It could happen just months after manufacture, or decades later, although if the glass is heated – by sunlight, for example – the process is speeded up. Ironically, says Graham Dodd, of consulting engineers Arup in London, the oldest pane of toughened glass known to have failed due to nickel sulphide inclusions was in Pilkington’s glass research building in Lathom, Lancashire. The pane was 27 years old.

Data showing the scale of the nickel sulphide problem is almost impossible to find. The picture is made more complicated by the fact that these crystals occur in batches. So even if, on average, there is only one inclusion in 7 tonnes of glass, if you experience one nickel sulphide failure in your building, that probably means you’ve got a problem in more than one pane. Josie says that in the last decade he has worked on over 15 buildings with the number of failures into double figures.

One of the worst examples of this is Waterfront Place, which was completed in 1990. Over the following decade the 40 storey Brisbane block suffered a rash of failures. Eighty panes of its toughened glass shattered due to inclusions before experts were finally called in. John Barry, an expert in nickel sulphide contamination at the University of Queensland, analysed every glass pane in the building. Using a studio camera, a photographer went up in a cradle to take photos of every pane.

These were scanned under a modified microfiche reader for signs of nickel sulphide crystals. ‘We discovered at least another 120 panes with potentially dangerous inclusions which were then replaced,’ says Barry. ‘It was a very expensive and time-consuming process that took around six months to complete.’ Though the project cost $1.6 million (nearly 700,000 Pounds), the alternative – re-cladding the entire building – would have cost ten times as much.


Questions 14-17

Look at the following people and the list of statements below. Match each person with the correct statement.
14 Brian Waldron
15 Trevor Ford
16 Graham Dodd
17 John Barry

List of Statements

A suggests that publicity about nickel sulphide failure has been suppressed
B regularly sees cases of nickel sulphide failure
C closely examined all the glass in one building
D was involved with the construction of Bishops Walk
E recommended the rebuilding of Waterfront Place
F thinks the benefits of toughened glass are exaggerated
G claims that nickel sulphide failure is very unusual
H refers to the most extreme case of delayed failure

Questions 18-23
Complete the summary with the list of words A-P below.

Toughened Glass

Toughened glass is favoured by architects because it is much stronger than ordinary glass, and the fragments are not as 18……………… when it breaks. However, it has one disadvantage: it can shatter 19……………… . This fault is a result of the manufacturing process. Ordinary glass is first heated, then cooled very 20……………… .

The outer layer 21……………… before the inner layer, and the tension between the two layers which is created because of this makes the glass stronger. However, if the glass contains nickel sulphide impurities, crystals of nickel sulphide are formed. These are unstable, and can expand suddenly, particularly if the weather is 22……………… . If this happens, the pane of glass may break. The frequency with which such problems occur is 23……………… by glass experts. Furthermore, the crystals cannot be detected without sophisticated equipment.

A numerous
B detected
C quickly
D agreed
E warm
F sharp
G expands
H slowly
I unexpectedly
J removed
K contracts
L disputed
M cold
N moved
O small
P calculated



Questions 24-26
Do the following statements agree with the information given in Reading Passage 2?

TRUE if the statement agrees with the information
FALSE if the statement contradicts the information
NOT GIVEN if there is no information on this

24 Little doubt was expressed about the reason for the Bishops Walk accident.
25 Toughened glass has the same appearance as ordinary glass.
26 There is plenty of documented evidence available about the incidence of nickel sulphide failure.



Reading passage 3

The effects of light on plant and animal species


Light is important to organisms for two different reasons. Firstly it is used as a cue for the timing of daily and seasonal rhythms in both plants and animals, and secondly it is used to assist growth in plants.

Breeding in most organisms occurs during a part of the year only, and so a reliable cue is needed to trigger breeding behaviour. Day length is an excellent cue, because it provides a perfectly predictable pattern of change within the year. In the temperate zone in spring, temperatures fluctuate greatly from day to day, but day length increases steadily by a predictable amount. The seasonal impact of day length on physiological responses is called photoperiodism, and the amount of experimental evidence for this phenomenon is considerable. For example, some species of birds’ breeding can be induced even in midwinter simply by increasing day length artificially (Wolfson 1964). Other examples of photoperiodism occur in plants. A short-day plant flowers when the day is less than a certain critical length. A long-day plant flowers after a certain critical day length is exceeded. In both cases the critical day length differs from species to species. Plant which flower after a period of vegetative growth, regardless of photoperiod, are known as day-neutral plants.

Breeding seasons in animals such as birds have evolved to occupy the part of the year in which offspring have the greatest chances of survival. Before the breeding season begins, food reserves must be built up to support the energy cost of reproduction, and to provide for young birds both when they are in the nest and after fledging. Thus many temperate-zone birds use the increasing day lengths in spring as a cue to begin the nesting cycle, because this is a point when adequate food resources will be assured.

The adaptive significance of photoperiodism in plants is also clear. Short-day plants that flower in spring in the temperate zone are adapted to maximising seedling growth during the growing season. Long-day plants are adapted for situations that require fertilization by insects, or a long period of seed ripening. Short-day plants that flower in the autumn in the temperate zone are able to build up food reserves over the growing season and over winter as seeds. Day-neutral plants have an evolutionary advantage when the connection between the favourable period for reproduction and day length is much less certain. For example, desert annuals germinate, flower and seed whenever suitable rainfall occurs, regardless of the day length.

The breeding season of some plants can be delayed to extraordinary lengths. Bamboos are perennial grasses that remain in a vegetative state for many years and then suddenly flower, fruit and die (Evans 1976). Every bamboo of the species Chusquea abietifolio on the island of Jamaica flowered, set seed and died during 1884. The next generation of bamboo flowered and died between 1916 and 1918, which suggests a vegetative cycle of about 31 years. The climatic trigger for this flowering cycle is not yet known, but the adaptive significance is clear. The simultaneous production of masses of bamboo seeds (in some cases lying 12 to 15 centimetres deep on the ground) is more than all the seed-eating animals can cope with at the time, so that some seeds escape being eaten and grow up to form the next generation (Evans 1976).

The second reason light is important to organisms is that it is essential for photosynthesis. This is the process by which plants use energy from the sun to convert carbon from soil or water into organic material for growth. The rate of photosynthesis in a plant can be measured by calculating the rate of its uptake of carbon. There is a wide range of photosynthetic responses of plants to variations in light intensity. Some plants reach maximal photosynthesis at one- quarter full sunlight, and others, like sugarcane, never reach a maximum, but continue to increase photosynthesis rate as light intensity rises.

Plants in general can be divided into two groups: shade-tolerant species and shade-intolerant species. This classification is commonly used in forestry and horticulture. Shade-tolerant plants have lower photosynthetic rates and hence have lower growth rates than those of shade- intolerant species. Plant species become adapted to living in a certain kind of habitat, and in the process evolve a series of characteristics that prevent them from occupying other habitats.
Grime (1966) suggests that light may be one of the major components directing these adaptations. For example, eastern hemlock seedlings are shade-tolerant. They can survive in the forest understorey under very low light levels because they have a low photosynthetic rate.



Questions 27-33
Do the following statements agree with the information given in Reading Passage 3?

TRUE if the statement agrees with the information
FALSE if the statement contradicts the information
NOT GIVEN if there is no information on this

27 There is plenty of scientific evidence to support photoperiodism.
28 Some types of bird can be encouraged to breed out of season.
29 Photoperiodism is restricted to certain geographic areas.
30 Desert annuals are examples of long-day plants.
31 Bamboos flower several times during their life cycle.
32 Scientists have yet to determine the cue for Chusquea abietifolia’s seasonal rhythm.
33 Eastern hemlock is a fast-growing plant.

Questions 34-40 Complete the sentences.
Choose NO MORE THAN THREE WORDS from the passage for each answer.

34 Day length is a useful cue for breeding in areas where are unpredictable.

35 Plants which do not respond to light levels are referred to as .

36 Birds in temperate climates associate longer days with nesting and the availability of
.
37 Plants that flower when days are long often depend on to help them reproduce.

38 Desert annuals respond to as a signal for reproduction.

39 There is no limit to the photosynthetic rate in plants such as .

40 Tolerance to shade is one criterion for the of plants in forestry and horticulture.

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The History of Bicycle

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Reading passage 1

The bicycle was not invented by one individual or in one country. It took nearly 100 years and many individuals for the modern bicycle to be born. By the end of those 100 years, bicycles had revolutionised the way people travel from place to place.

Bicycles first appeared in Scotland in the early 1800s, and were called velocipedes. These early bicycles had two wheels, but they had no pedals. The rider sat on a pillow and walked his feet along the ground to move his velocipede forward.

Soon a French inventor added pedals to the front wheel. Instead of walking their vehicles, riders used their feet to run the pedals. However, pedalling was hard because velocipedes were very heavy. The framework was made of solid steel tubes and the wooden wheels were covered with steel. Even so, velocipedes were popular among rich young men, who raced them in Paris parks.

Because of the velocipedes were so hard to ride, no one thought about using them for transportation. People didn’t ride velocipedes to the market or to their jobs. Instead, people thought velocipedes were just toys.

Around 1870, American manufacturers saw that velocipedes were very popular overseas. They began building velocipedes, too, but with one difference. They made the frameworks from hollow steel tubes. This alteration made velocipedes much lighter, but riders still had to work hard to pedal just a short distance. In addition, roads were bumpy so steering was difficult. In fact, most riders preferred indoor tracks where they could rent a velocipede for a small fee and take riding lessons.

Subsequent changes by British engineers altered the wheels to make pedalling more efficient. They saw that when a rider turned the pedals once, the front wheel turned once. If the front wheel was small, the bicycle travelled just a small distance with each turn. They reasoned that if the front wheel were larger, the bicycle would travel a greater distance. So they designed a bicycle with a giant front wheel. They made the rear wheel small. Its primary purpose was to help the rider balance. Balancing was hard because the rider had to sit high above the giant front wheel in order to reach the pedals. This meant he was in danger of falling off the bicycle and injuring himself if he lost his balance. Despite this inherent danger, “high-wheelers” became very popular in England.

American manufacturers once again tried to design a better bicycle. Their goal was to make a safer bicycle. They substituted a small wheel for the giant front wheel and put the driving mechanism in a larger rear to wheel. It would be impossible for a rider to pedal the rear wheel, so engineers designed a system of foot levers. By pressing first the right one and then the left, the rider moved a long metal bar up and down. This bar turned the rear axle. This axle turned the rear wheel and the bicycle minimised the dangers inherent in bicycle riding, more and more people began using bicycles in their daily activities.

The British altered the design one last time. They made the two wheels equal in size and created a mechanism that uses a chain to turn the rear wheel. With this final change, the modern bicycle was born.

Subsequent improvements, such as brakes, rubber tires, and lights were added to make bicycles more comfortable to ride. By 1900, bicycle riding had become very popular with men and women of all ages. Bicycles revolutionised the way people worldwide ride bicycles for transportation, enjoyment, sport, and exercise.



Questions 1-6
Complete the sentences. Choose NO MORE THAN THREE WORDS from the passage above for each answer.

In the invention of the bicycle took part not only one individual or the country, but the world in general during the 1…………………… years. This invention was firstly found in Scotland in the first decades of 1800, and was known as velocipedes. They were not resembled to today’s bicycles and had two wheels, but they had no 2…………………… . The rider sat on a pillow and walked his feet along the ground in order to move his velocipede forward. Soon, a French inventor added pedals to the front wheel. However, because of their difficulty in riding, nobody used them in a daily life, and they were accepted as 3…………………… . Around 1870, manufacturers in America found that this invention is popular 4…………………… , but within the difference: frameworks were made from 5…………………… , what makes them much lighter. Soon, the British inventors found the method which can make pedalling more efficient to turn pedals one by one. They designed a bicycle with a giant front wheel. However, as the rider had to sit high above the giant front wheel it was too difficult to keep the balance. The safer bicycle was invented by Americans. They designed the rear 6…………………… , which minimised the danger of falling and injuring. At last, the British changed the design one last time and added two wheels equal in size and the mechanism that induce a chain to turn the rear wheel. By this there was invented the example of the modem bicycle.

Questions 7-10
Do the following statements agree with the information given in Reading Passage 1? Write

TRUE if the statement agrees with the information
FALSE if the statement contradicts the information
NOT GIVEN if there is no information on this

7 The bicycle was invited by Americans only
8 It was too hard to lead the velocipedes due to their heaviness
9 The alteration of velocipedes made the life of people much more easy
10 The changes by British inventors altered the wheels to make pedalling more efficient

Questions 11-13
Complete the sentences. Choose NO MORE THAN THREE WORDS from the passage for each answer.

11 The British inventors concluded that if the front wheel were large in ____________ , the bicycle would travel comparatively long distance.
12 American engineers designed a system of ____________ which was driven by pressing first the right and then the left pedals.
13 The last, but not least alteration in creating of the modern bicycle was a making the two wheels equal in size and using the __________ to spin the rear wheel.

Reading Passage 2. Questions 14-26

Segway into the Future


Will the electric vehicle known as the Segway alter the ways that individuals get around? Dean Kamer, the inventor of the Segway, believes that this revolutionary vehicle will someday substitute for the bicycles and automobiles that now crowd our cities. When he introduced the Segway in 2001, he believed it would change our lives.

Although the Segway uses up-to-the-minute technology, it looks very ordinary. The metal framework of the Segway consists of a platform where an individual stands. Attached to the front of the platform is a tall post with handles for the driver to hold. On each side of the platform is a wide, rubber wheel. Except for these two wheels, there are no mechanical parts on the Segway. It has no engine, no brakes, no pedal power, no gears, and no steering wheel. Instead it uses a computer system that imitates the ability of humans to keep their balance.

This system seems to move to the driver’s thoughts. For example, when the driver thinks “Go forward”, the Segway moves forwards, and when the driver thinks, “Stop”, it stops. The Segway is not really responding to the driver’s thoughts, but to the tiny changes in balance that the driver makes as he prepares his body to move forward or to stop. For example, when the driver thinks about moving forward, he actually leans slightly forward, and when he thinks of stopping or slowing, the driver leans slightly back.

The Segway is powered by batteries that allow it to travel about 17 miles on one battery charge. It is designed for short-range, low-speed operation. It has three speed settings. The slowest is the setting for learning, with speeds of up to 6 miles per hour. Next is the sidewalk setting, with speeds of up to 9 miles per hour. The highest setting allows the driver to travel up to 12.5 miles per hour in open, flat areas. At all three speed settings, the Segway can go wherever a person can walk, both indoors and outdoors.

Workers who must walk a lot in their jobs might be the primary users of Segways. For example, police officers could drive Segways to patrol city streets, and mail carriers could drive from house to house to deliver letters and packages. Farmers could quickly inspect distant fields and barns, and rangers, or parks. Security guards could protect neighbourhoods or large buildings.

Any task requiring a lot of walking could be made easier. In cities, shoppers could leave their cars at home and ride Segway from store to store. Also, people who cannot comfortably walk due to age, illness, or injury could minimise their walking but still be able to go many places on a Segway.

Why is it, then, that our job sites, parks, and shopping centres have not been subsequently filled with Segways since they were introduced in 2001? Why hasn’t the expected revolution taken place? Studies have shown that Segways can help workers get more done in a shorter time. This saves money. Engineers admire Segways as a technological marvel.

Business, government agencies, and individuals, however, have been unwilling to accept the Segway. Yes, there have been some successes. In a few cities, for example, mail carriers drive Segway on their routes, and police officers patrol on Segways. San Francisco, California, and Florence, Italy, are among several cities in the world that offer tours on Segways for a small fee. Occasionally you will see golfers riding Segways around golf courses. Throughout the world more than 150 security agencies use Segways, and China has recently entered the overseas market. These examples are encouraging, but can hardly be called a revolution.

The primary reason seems to be that people have an inherent fear of doing something new. They fear others will laugh at them for buying a “toy”. They fear losing control of the vehicle. They fear being injured. They fear not knowing the rules for using a Segway. They fear making people angry if they ride on the sidewalk. All these fears and others have kept sales low.

The inventor explained why people have been slow to accept the Segway. He said, “We didn’t realise that although technology moves very quickly, people’s mind-set changes very slowly.” Perhaps a hundred years from now millions of people around the world will be riding Segways.



Questions 14-16
Do the following statements agree with the information given in Reading Passage 2?

TRUE if the statement agrees with the information
FALSE if the statement contradicts the information
NOT GIVEN if there is no information on this

14 The Segway’s framework consists of a platform and a post with handles

15 The driver can alter the direction of the Segway by leaning to the left or right

16 The Segway was primarily designed for student to make their travel much more comfortable

Questions 17-19
Choose the correct letter, А , В, C or D.

17 Why the Segway has been accepted as the most comfortable vehicle for the people with moving problems?
A they could leave their cars at home and ride Segway from store to store
В they could drive from house to house to deliver letters and packages
C they could quickly inspect distant fields and barns, and rangers, or parks
D it could minimise their walking

18 Why people have been slow to accept the Segway?
A it wastes too much money
В people have various kinds of fears
C it was too hard to manage
D people didn’t want to replace the existing vehicles

19 According to the point of view of the Dean Kamer, “although technology moves very quickly, people’s mindset changes very slowly”, what he meant by this?
A people cannot accept the innovation at once
В because of people worldwide who ride bicycles for transportation they cannot accept other kinds of vehicles
C people have fears and thus cannot get accustomed with new forms of transportation
D the ideas and attitudes with which a person approaches a situation cannot be quickly altered



Questions 20-27
Complete the sentences. Choose NO MORE THAN THREE WORDS from the passage for each answer.

Dean Kamer, the inventor of the Segway, believes that this revolutionary vehicle will replace all conveyances we use today, and in 2001 he presented his innovation to the public. Even though the Segway uses up the minimum energy, it has a very 20…………………… appearance. It has no engine, brakes, gears or even 21…………………… , however, the attribute is that it has the 22…………………… with wide rubber wheels. Moreover, this invention is designed for the short-term destinations and works with 23…………………… . As it minimises the moving time or energy, the Segway particularly fits to those people who has an active lifestyle such as 24…………………… , mail carriers, farmers, security guards and even those who have difficulties because of their 25…………………… or…………. . However, the inventor explains why people have difficulties in accepting the Segway. He believes that the main reason for this is that people have an innate 26 ……………….. of innovations and because of that the people’s 27…………………… always changes gradually, it is too hard to accept the new invention for the short time.

Reading passage 3. Questions 28-40


The Meaning of Volunteering



A Volunteering, as some people consider mistakenly is a plethora of people from all walks of life as well as activities, but data from the other side of the world suggest otherwise. For example, a survey on who participated in volunteering by the Office for National Statistics (ONS) in the United Kingdom (UK) showed that people in higher income households are more likely than others to volunteer. In England and Wales, 57% of adults with gross annual household incomes of ?75.000 or more, have volunteered formally in the 12 months prior to the survey date. They were almost twice more likely to have done so than those living in households with as annual income under ?10.000.

В As well as having high household incomes, volunteers also tend to have higher academic qualifications, be in higher socio-economic groups and be in employment. Among people with a degree or postgraduate qualification, 79 per cent had volunteered informally and 57 per cent had volunteered formally in the previous 12 months. For people with no qualifications the corresponding proportions were 52 per cent and 23 per cent at all. However, voluntary work is certainly not the exclusive preserve of the rich. Does the answer not lie perhaps in the fact that the rich tend to have money to allow them the time to be become involved in voluntary work compared to less well-off people?

C A breakdown in the year 2000 of the range of volunteering activities taken from The Australia Bureau of Statistics gives an idea of the scale of activities in which people are typically involved. Eleven sectors are given ranging from Community and Welfare, which accounted for just over a quarter of the total hours volunteered in Australia, to Law/Justice/Politics with 1.2 percent at the other and of the scale. Other fields included Sport/ Recreation, religious activities and education, following at 21.1 per cent, 16.9 and 14.3 per cent of the total hours. The data here also seem to point to a cohort of volunteers with expertise and experience.

D The knock-on effect of volunteering on the lives of individuals can be profound. Voluntary work helps foster independence and imparts the ability to deal with different situations, often simultaneously, thus teaching people how to work their way through different systems. It therefore brings people into touch with the real world; and, hence, equips them for the future.

E Initially, young adults in their late teens might not seem to have the expertise or knowledge to impart to others that say a teacher or agriculturalist or nurse would have, but they do have many skills that can help others. And in the absence of any particular talent, their energy and enthusiasm can be harnessed for the benefit of their fellow human beings, and ultimately themselves. From all this, the gain to any community no matter how many volunteers are involved is immeasurable.

F Employers will generally look favourably on people who have shown an ability to work as part of a team. It demonstrates a willingness to learn and an independent spirit, which would be desirable qualities in any employee. So to satisfy employers’ demands for experience when applying for work, volunteering can act as a means of gaining experience that might otherwise elude would-be workers and can ultimately lead to paid employment and the desired field.

G But what are the prerequisites for becoming a volunteer? One might immediately think of attributes like kindness, selflessness, strength of character, ability to deal with others, determination, adaptability and flexibility and a capacity to comprehend the ways of other people. While offering oneself selflessly, working as a volunteer makes further demands on the individual. It requires a strength of will, a sense of moral responsibility for one’s fellow human beings, and an ability to fit into the ethos of an organisation. But it also requires something which in no way detracts from valuable work done by volunteers and which may seem at first glance both contradictory and surprising: self-interest.

H Organisations involved in any voluntary work have to be realistic about this. If someone, whatever the age is going to volunteer and devote their time without money, they do need to receive something from it for themselves. People who are unemployed can use volunteer work as a stepping-stone to employment or as a means of finding out whether they really like the field the plan to enter or as a way to help them find themselves.

I It is tempting to use some form of community work as an alternative to national service or as punishment for petty criminals by making the latter for example clean up parks, wash away graffiti, work with victims of their own or other people. Those may be acceptable, but it does not constitute volunteer work, two cardinal rules of which are the willingness to volunteer without coercion and working unpaid.

Questions 28-33
Reading Passage 3 has nine paragraphs A-I.
Which paragraph contains the following information?
Write the letter, A-I, in boxes 28-33 on your Answer Sheet

28 a description of what does not satisfy the criteria for volunteer work
29 the impact of voluntary work on the development of individuals
30 the requirement for both selflessness and self-interest in volunteers
31 various areas in which people volunteer
32 the benefit of voluntary work for the young
33 a mistaken view of volunteering



Questions 34-37
Choose the correct letter А, В, C or D.
Write the correct letter in boxes 34-37 on y o u r answer sheet.

34 The ONS survey was done to find out
A why people undertook volunteering.
В how many people participated in volunteering.
C how many rich people did volunteer work.
D which people were involved in volunteering.

35 The ONS survey found that people with university qualification were
A as likely to volunteer as those with no qualifications.
В more likely to volunteer than those with no qualifications.
C less likely to volunteer than those with no qualifications.
D the only group likely to do formal volunteer work.

36 It is suggested that rich people volunteer as a result of having
A clearer goals.
В fewer children.
C more spare time.
D greater guilt.

37 Volunteer work benefits people by teaching them how to
A function in system.
В communicate clearly.
C deal with failure.
D overcome shyness.

Questions 38-40
Complete each sentence with the correct ending, A-F below.
Write the correct letter, A–F , in boxes 38 – 40 on your Answer Sheet

38 One of the requirements of being a volunteer is being able to

39 Volunteering can be used as a way for the unemployed to

40 Employers in general tend to

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VIEW ANSWER – HISTORY OF BICYCLES


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THE DISCOVERY OF PENICILLIN IELTS READING

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Reading passage 1

A. The Scottish bacteriologist Dr Alexander Fleming (1881-1955) is credited with the discovery of penicillin in London in 1928. He had been working at St Mary’s Hospital on the bacteriology of septic wounds. As a medic during World War I, he had witnessed the deaths of many wounded soldiers from infection and he had observed that the use of harsh antiseptics, rather than healing the body, actually harmed the blood corpuscles that destroy bacteria.

B. In his search for effective antimicrobial agents, Fleming was cultivating staphylococcus bacteria in Petri dishes containing agar1. Before going on holiday in the summer of 1928, he piled up the agar plates to make room for someone else to use his workbench in his absence and left the windows open. When he returned to work two weeks later, Fleming noticed mould growing on those culture plates that had not been fully immersed in sterilising agent. This was not an unusual phenomenon, except in this case the particular mould seemed to have killed the staphylococcus aureus immediately surrounding it. He realised that this mould had potential.

C. Fleming consulted a mycologist called C J La Touche, who occupied a laboratory downstairs containing many mould specimens (possibly the source of the original contamination), and they concluded it was the Penicillium genus of ascomycetous fungi. Fleming continued to experiment with the mould on other pathogenic bacteria, finding that it successfully killed a large number of them. Importantly, it was also non-toxic, so here was a bacteria-destroying agent that could be used as an antiseptic in wounds without damaging the human body. However, he was unsuccessful in his attempts to isolate the active antibacterial element, which he called penicillin. In 1929, he wrote a paper on his findings, published in the British Journal of Experimental Pathology, but it failed to kindle any interest at the time.

D. In 1938, Dr Howard Florey, a professor of pathology at Oxford University, came across Fleming’s paper. In collaboration with his colleague Dr Ernst Chain, and other skilled chemists, he worked on producing a usable drug. They experimented on mice infected with streptococcus. Those untreated died, while those injected with penicillin survived. It was time to test the drug on humans but they could not produce enough – it took 2,000 litres of mould culture fluid to acquire enough penicillin to treat a single patient. Their first case in 1940, an Oxford police officer who was near death as a result of infection by both staphylococci and streptococci, rallied after five days of treatment but, when the supply of penicillin ran out, he eventually died.

E. In 1941, Florey and biochemist Dr Norman Heatley went to the United States to team up with American scientists with a view to finding a way of making large quantities of the drug. It became obvious that Penicillium notatum would never generate enough penicillin for effective treatments so they began to look for a more productive species. One day a laboratory assistant turned up with a melon covered in mould. This fungus was Penicillium chrysogeum, which produced 200 times more penicillin than Fleming’s original species but, with further enhancement and filtration, it was induced to yield 1,000 times as much as Penicillium notatum. Manufacture could begin in earnest.

F. The standardisation and large-scale production of the penicillin drug during World War II and its availability for treating wounded soldiers undoubtedly saved many lives. Penicillin proved to be very effective in the treatment of pneumococcal pneumonia – the death rate in WWII was 1% compared to 18% in WWI. It has since proved its worth in the treatment of many life-threatening infections such as tuberculosis, meningitis, diphtheria and several sexually-transmitted diseases.

G. Fleming has always been acknowledged as the discoverer of penicillin. However, the development of a commercial penicillin drug was due to the skill of chemical scientists Florey, Chain and others who overcame the difficulties of converting it into a usable form. Fleming and Florey received knighthoods in 1944 and they, together with Chain, were awarded the Nobel Prize in Physiology or Medicine in 1945. Heatley’s contribution seems to have been overlooked until, in 1990, he was awarded an honorary doctorate of medicine by Oxford University – the first in its 800-year history.

H. Fleming was mindful of the dangers of resistance to penicillin early on and he expressly warned on many occasions against overuse of the drug, because this would lead to bacterial resistance. Ironically, the occurrence of resistance is pushing the drive today to find new, more powerful antibiotics.———agar is a culture medium based on a seaweed extract – used for growing microorganisms in laboratories

Questions 1-6. Reading Passage 1 has eight paragraphs, A–H. Which paragraph contains the following information? Write the correct letter, A–H, in boxes 1–6 on your answer sheet.

1 results of animal experiments
2 recognition of the scientists’ valuable work
3 a statement about the beginning of mass production
4 Fleming’s cautionary advice
5 examples of uses for penicillin
6 the starting point for Fleming’s original research

Questions 7–10. Complete the summary below. Choose NO MORE THAN TWO WORDS from the passage for each answer. Write your answers in boxes 7–10 on your answer sheet.



DR FLEMING’S ACCIDENTAL DISCOVERY

In a bid to find a safe and effective antiseptic, Dr Fleming was growing staphylococcus aureus bacteria in his lab. On his return from 7……………. , he found mould on an unsterilised plate and saw that it had destroyed the bacteria around it. A 8……………. helped him identify the mould. Fleming found that it was active against several different 9……………….. and, because it was 10……………. , it was safe to use in humans.

Questions 11–13. Complete the table below. Choose NO MORE THAN TWO WORDS from the passage for each answer. Write your answers in boxes 11–13 on your answer sheet

Timeline

1928 Fleming’s discovery of penicillin
1929 Fleming’s research published
1938 Florey begins work on penicillin
1940 The first human subject 11……………….
1941 Collaboration with 12…………….….
1944 Two of the scientists are knighted
1945 Three of them share a 13..……………….
1990 Heatley’s work is acknowledged



Reading passage 2

DAYLIGHT SAVING TIME

Each year in many countries around the world, clocks are set forward in spring and then back again in autumn in an effort to ‘save’ daylight hours. Like many modern practices, Daylight Savings Time (DST) dates back to ancient civilisations. The Romans would adjust their routines to the sun’s schedule by using different scales in their water clocks for different months of the year.

This practice fell out of favour, however, and the concept was renewed only when, in 1784, the American inventor Benjamin Franklin wrote a jocular article for The Journal of Paris exhorting the city’s residents to make more use of daylight hours in order to reduce candle use. In 1895, in a more serious effort, New Zealand entomologist George Vernon Hudson proposed a biannual two-hour shift closely resembling current forms of DST. His cause was not taken up, however, until Germany first pushed their clocks forward in April 1916 as part of a drive to save fuel in World War I.

Over the next several decades, global use of DST was sporadic and inconsistent. Countries such as the UK and USA adopted DST in World Wars I and II, but reverted to standard time after the wars ended. In the USA, the decision to use DST was determined by states and municipalities between 1945 and 1966, causing widespread confusion for transport and broadcasting schedules until Congress implemented the Uniform Time Act in 1966.

Today, DST is used in some form by over 70 countries worldwide, affecting around one sixth of the world’s population. There is still no uniform standard, however. Countries such as Egypt and Russia have adjusted their policies on multiple occasions in recent years, in some instances leading to considerable turmoil.

Muslim countries often suspend DST for the month of Ramadan. The European Union finally standardised DST in 2000, while the USA’s most recent adjustments were introduced with the Energy Policy Act of 2005.

In general, the benefits of DST are considerable and well documented. Perhaps the most significant factor in terms of popular support is the chance to make better use of daylight in the evening. With extended daylight hours, office workers coming off a 9 to 5 shift can often take part in outdoor recreational activities for an hour or two. This has other positive effects, such as reducing domestic electricity consumption as more opportunities become available to use sunlight instead of artificial lighting. A further benefit is a reduction in the overall rate of automobile accidents, as DST ensures that streets are well lit at peak hours.

Many industries are supportive of DST due to the opportunities it provides for increased revenue. Extended daylight hours mean people are more likely to stay out later in the evening and spend more money in bars and restaurants, for example, so tourism and hospitality are two sectors that stand to gain a lot from more daylight. In Queensland, Australia, which elected not to implement DST due to complaints from dairy farmers over disruption to milking schedules, the annual drain on the state’s economy is estimated to be as high as $4 billion.

Some research casts doubt on the advantages of DST, however. Although the overall incidence of traffic accidents is lower, for pedestrians the risk of being hit by a car in the evening increases by as much as 186 per cent in the weeks after clocks are set back in autumn, possibly because drivers have not yet adjusted to earlier sunsets. Although this shift does in turn make streets safer in early mornings, the risk to pedestrians is not offset simply because fewer pedestrians use the streets at that time.

A further health concern involves the disruption of our body clock. Setting clocks one hour forward at night can cause many people to lose sleep, resulting in tiredness and all its well-documented effects, such as mood swings, reduced productivity and problems with overall physical well-being. In 2008, a Swedish study found that heart attack rates spike in the few days following the switch to DST for summer. Tiredness may also be a factor behind the increase in road accidents in the week after DST begins.

Finally, safety issues have arisen in parts of Latin America relating to a suspected relationship between DST and higher incidences of street crime. In 2008, Guatemala chose not to use DST because it forced office workers to leave their homes while it was still dark outside in the morning. This natural cover for criminals was thought to increase incidents of crime at this hour.



Questions 14-19. Do the following statements agree with the information given in Reading Passage 2? In boxes 14–19 on your answer sheet, write
TRUE if the statement agrees with the information
FALSE if the statement contradicts the information
NOT GIVEN if there is no information on this

14 Daylight savings time has been in continual use since ancient times.
15 Today, DST is very similar to how George Vernon Hudson suggested it.
16 DST was not considered successful during World Wars I and II.
17 The USA finalised its DST policy in 1966.
18 Around the world, there is now general agreement on how DST should be used.
19 Frequent changes to DST over a short time span have caused problems in some countries.

Questions 20–26. Complete the table below. Choose NO MORE THAN THREE WORDS from the passage for each answer. Write your answers in boxes 20 –26 on your answer sheet.



ADVANTAGES AND DISADVANTAGES OF DAYLIGHT SAVING TIME

ADVANTAGESDISADVANTAGES
More opportunities for 20………………. after work.

People use less power in their homes because they don’t need as much lighting.

Better lighting during 21………………. leads
to fewer car crashes following the spring change to DST.

Some industries, such as 22………………. ,
earn more money with DST.		Dairy farmers find that DST upsets their 23………………..

More dangerous for 24……………….. following re-setting of clocks in autumn.

Loss of sleep can lead to 25……………….., inferior performance at work and poorer general health because of fatigue.

Darker mornings may lead to more 26……………….

Reading passage 3.

WILLPOWER

A. Although willpower does not shape our decisions, it determines whether and how long we can follow through on them. It almost single-handedly determines life outcomes. Interestingly, research suggests the general population is indeed aware of how essential willpower is to their wellbeing; survey participants routinely identify a ‘lack of willpower’ as the major impediment to making beneficial life changes. There are, however, misunderstandings surrounding the nature of willpower and how we can acquire more of it. There is a widespread misperception, for example, that increased leisure time would lead to subsequent increases in willpower.

B. Although the concept of willpower is often explained through single-word terms, such as ‘resolve’ or ‘drive’, it refers in fact to a variety of behaviours and situations. There is a common perception that willpower entails resisting some kind of a ‘treat’, such as a sugary drink or a lazy morning in bed, in favour of decisions that we know are better for us, such as drinking water or going to the gym. Of course this is a familiar phenomenon for all. Yet willpower also involves elements such as overriding negative thought processes, biting your tongue in social situations, or persevering through a difficult activity. At the heart of any exercise of willpower, however, is the notion of ‘delayed gratification’, which involves resisting immediate satisfaction for a course that will yield greater or more permanent satisfaction in the long run.

C. Scientists are making general investigations into why some individuals are better able than others to delay gratification and thus employ their willpower, but the genetic or environmental origins of this ability remain a mystery for now. Some groups who are particularly vulnerable to reduced willpower capacity, such as those with addictive personalities, may claim a biological origin for their problems. What is clear is that levels of willpower typically remain consistent over time (studies tracking individuals from early childhood to their adult years demonstrate a remarkable consistency in willpower abilities). In the short term, however, our ability to draw on willpower can fluctuate dramatically due to factors such as fatigue, diet and stress. Indeed, research by Matthew Gailliot suggests that willpower, even in the absence of physical activity, both requires and drains blood glucose levels, suggesting that willpower operates more or less like a ‘muscle’, and, like a muscle, requires fuel for optimum functioning.

D. These observations lead to an important question: if the strength of our willpower at the age of thirty- five is somehow pegged to our ability at the age of four, are all efforts to improve our willpower certain to prove futile? According to newer research, this is not necessarily the case. Gregory M. Walton, for example, found that a single verbal cue – telling research participants how strenuous mental tasks could ‘energise’ them for further challenging activities – made a profound difference in terms of how much willpower participants could draw upon to complete the activity. Just as our willpower is easily drained by negative influences, it appears that willpower can also be boosted by other prompts, such as encouragement or optimistic self-talk.

E. Strengthening willpower thus relies on a two-pronged approach: reducing negative influences and improving positive ones. One of the most popular and effective methods simply involves avoiding willpower depletion triggers, and is based on the old adage, ‘out of sight, out of mind’. In one study, workers who kept a bowl of enticing candy on their desks were far more likely to indulge than those who placed it in a desk drawer. It also appears that finding sources of motivation from within us may be important. In another study, Mark Muraven found that those who felt compelled by an external authority to exert self-control experienced far greater rates of willpower depletion than those who identified their own reasons for taking a particular course of action. This idea that our mental convictions can influence willpower was borne out by Veronika Job. Her research indicates that those who think that willpower is a finite resource exhaust their supplies of this commodity long before those who do not hold this opinion.

F. Willpower is clearly fundamental to our ability to follow through on our decisions but, as psychologist Roy Baumeister has discovered, a lack of willpower may not be the sole impediment every time our good intentions fail to manifest themselves. A critical precursor, he suggests, is motivation – if we are only mildly invested in the change we are trying to make, our efforts are bound to fall short. This may be why so many of us abandon our New Year’s Resolutions – if these were actions we really wanted to take, rather than things we felt we ought to be doing, we would probably be doing them already. In addition, Muraven emphasises the value of monitoring progress towards a desired result, such as by using a fitness journal, or keeping a record of savings toward a new purchase. The importance of motivation and monitoring cannot be overstated. Indeed, it appears that, even when our willpower reserves are entirely depleted, motivation alone may be sufficient to keep us on the course we originally chose.



Questions 27-33. Do the following statements agree with the information given in Reading Passage 3? In boxes 27–32 on your answer sheet, write
TRUE if the statement agrees with the information.
FALSE if the statement contradicts the information
NOT GIVEN if there is no information on this

27 Willpower is the most significant factor in determining success in life.
28 People with more free time typically have better willpower.
29 Willpower mostly applies to matters of diet and exercise.
30 The strongest indicator of willpower is the ability to choose long-term rather than short-term rewards.
31 Researchers have studied the genetic basis of willpower.
32 Levels of willpower usually stay the same throughout our lives.
33 Regular physical exercise improves our willpower ability.
Questions 34 –39. Look at the following statements (Questions 37–40) and the list of researchers below. Match each statement with the correct person, A–D. Write the correct letter, A–D, in boxes 37–40 on your answer sheet. NB You may use some letters more than once.

THIS RESEARCHER …

34 identified a key factor that is necessary for willpower to function.
35 suggested that willpower is affected by our beliefs.
36 examined how our body responds to the use of willpower.
37 discovered how important it is to make and track goals.
38 found that taking actions to please others decreases our willpower.
39 found that willpower can increase through simple positive thoughts.



LIST OF PEOPLE

A Matthew Gailliot
B Gregory M. Walton
C Mark Muraven
D Veronika Job
E Roy Baumeister

Question 40. Which of the following is NOT mentioned as a factor in willpower?Willpower is affected by:

A physical factors such as tiredness
B our fundamental ability to delay pleasure
C the levels of certain chemicals in our brains
D environmental cues such as the availability of a trigger

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THE DEVELOPMENT OF TRAVEL UNDER THE OCEAN IELTS READING

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Reading Passage 1

You should spend about 20 minutes on Questions 1-13, which are based on Reading Passage 1 below.

A. For millennia, humans have been intrigued by what lies beneath the sea and although submarine travel was attempted from time to time, it did not become commonplace until the middle of last century. Several clever and innovative people had experimented with designs for submersible boats before then, but there was much loss of life and little success.

B. There had long been the use of a primitive diving bell for explorative purposes, but it was as a war machine that the submarine came into its own. The first development in the history of American submarines was a small submersible with a hand-cranked screw-like oar and a crew of one. It was built before the American Revolutionary War (1775—1783) but was adapted for use against the British during this war. Although its pilot twice failed to fasten explosive devices to British ships before losing control of his vessel, he escaped harm.

C. In 1800, an American inventor, Robert Fulton, designed an underwater machine that he called the Nautilus. Its version brought in features that can still be found in some modem submarines, notably adjustable diving planes for better underwater manoeuvring, dual systems of propulsion, and a compressed air system that allowed it to stay down for about four hours without surfacing?

D. Development of submersible vessels lagged a long way behind the continued progress in the design of surface ships until the American Civil War (1861-1865) when both sides tried out various designs. One of those, called the Hunlcy — named after its financier rather than its inventor, sank twice during training missions with 11 crew members losing their lives including Hunley himself. Notwithstanding these failures, it was commissioned again in 1864 to attack a ship in Charleston Harbor. A torpedo was used to strike and scuttle the ship – a first in naval history, but the submarine never reappeared, and once again the whole crew perished. Its potential had been recognised, but they still remain the challenge of operating safely under the water.

E. The US Navy could appreciate the strategic benefits of having submarines in its fleet and held a competition to encourage the design and construction of these underwater craft. The inventor, John Holland won the competition and it was his sixth prototype, the Holland, that the navy bought and added to its fleet in 1900. This submarine was quite different from previous designs. It was propelled by a gasoline engine that turned a propeller while the vessel was on the surface. When it submerged, the engine ran a generator to charge batteries to operate an electric motor. The improved propulsion methods were, unfortunately, highly dangerous. Not only is gasoline flammable and unstable, using it in the restricted environment of a submarine posed quite a hazard for the crewmen. There was another problem, too: the batteries were not only heavy, cumbersome, and inefficient, but they were also extremely volatile.

F. During the same period as Holland’s efforts were being trialled, a German scientist by the name of Rudolf Diesel created an engine which used a fuel less explosive than gasoline and which could consequently be stored safely. Another advantage was that there was no necessity for an electric spark to ignite the fuel. These safety improvements combined with better fuel economy allowed Diesel engines to power a submarine for longer on the surface; however, batteries were still needed to supply energy for underwater operation.

G. Although diesel-powered submarines were successful and used by the US Navy for almost 50 years, the search for a single power source carried on. It wasn’t long before the concept of nuclear power was
realised in Germany and taken up by an American physicist, Ross Gunn, who could envisage its potential in submersibles. A research team was put together to adapt the concept of nuclear power for use in submarines. In effect, modem nuclear submarines have onboard a small nuclear power plant which produces a great amount of energy. This is used to heat water and create steam which drives a huge turbine which turns the propeller.

H. There has been many adaptations and technological improvements made to submarines over the years, but the shape is basically the same. Obviously, it is a totally enclosed craft, cigar-shaped with narrowed ends. The outer hull is dying the largest part of the died boat and forms the body. The inner hull is designed to resist the considerable water pressure and insulates the crew from the cold. This is where the crew works, eats, and sleeps. It also contains the engine room and the apparatus that makes clean air and clean water. Between the hulls are the ballast tanks for controlling buoyancy. There is a tall fin- shaped sail that comes up out of the hull. Inside the sail is the conning tower and extending from this to the fore, there is a periscope (through which the captain can see the sea and sky when the submarine is near the surface of the water). Sonar is used for navigation deep below the surface. The other projection from the conning tower is the radio antenna.

I. Underwater, there are two controls for steering the submarine. The rudder (like a tail fin) controls side-to-side movement, and diving planes influence rise and descent. There are two sets of diving planes: the forward sailplanes and the stem planes, which are located at the back with the rudder and propeller. Advancing technology will undoubtedly result in different shapes and modes of operation, and it is quite possible that, in the future, submarines will be manned by robots or computer technology that communicates information to land bases via satellite.



Questions 1-6. Answer the questions below.
Choose NO MORE THAN THREE WORDS from the text for each answer. Write your answers in boxes 1-6 on your answer sheet.

1. What kind of underwater device was used to investigate the ocean before submersible boats were invented?

2. What was the crewman of the first American-built submarine trying to do before his mission failed?

3. What gave the Nautilus the ability to remain submerged for a long time?

4. When was a submarine first used successfully to sink an enemy boat?

5. What new type of propulsion did Holland use on top of the water?

6. For what reason was Diesel’s fuel considered safer than Holland’s?



Questions 7-13 Label the diagram below.
Choose NO MORE THAN TWO WORDS from the text for each answer. Write your answers in boxes 7-13 on your answer sheet.

Reading Passage 2

You should spend about 20 minutes on Questions 14-26, which are based on Reading Passage 2 below.

Vitamins To supplement or not?

A. Mineral, vitamin, and antioxidant health supplements make up a multi-billion-dollar industry in the United States alone, but do they really work? Evidence suggests supplementation is clearly indicated in special circumstances, but can actually be harmful in others. For the general population, however, supplements have negligible or no impact on the prevention of common cancers, cardiovascular diseases, cognitive decline, mortality, or any other major indicators of health. In pursuit of a longer, happier and healthier life, there are certainly better investments for most people than a tube of vitamin supplements.

B. Particular sub-groups of the population can gain a proven benefit from supplementation. Folic acid has long been indicated as a prenatal supplement due to its assistance in fetal cell division and corresponding ability to prevent neural tube birth defects. Since Canada and the United States decided to require white flour to be fortified with folic acid, spinal birth defects have plummeted by 75%, and rates of neuroblastoma (a ravaging form of infant cancer) are now 50% lower. In countries without such fortification, or for women on low-carbohydrate diets, a prenatal multivitamin could make the crucial difference. The United States Department of Health and Human Services has concluded that the elderly may also benefit from extra vitamin D calcium can help prevent bone fractures, and zinc and antioxidants can maintain vision while deflecting macular degeneration in people who would otherwise be likely to develop this affliction.

C. There is mounting evidence, however, for many people to steer clear of multivitamins. The National Institutes of Health has noted “disturbing evidence of risk” in tobacco users: beta-carotene, a common ingredient in multivitamins, was found over a six-year study to significantly contribute to higher lung cancer and mortality rates in smokers. Meanwhile, excessive vitamin A (a supplement often taken to boost the immune system) has been proven to increase women’s risk of a hip fracture, and vitamin E, thought to improve cardiovascular health, was contraindicated in a study that demonstrated higher rates of congestive heart failure among such vitamin users. Antioxidant supplementation has no purpose nor does it achieve anything, according to the Food and Nutrition Board of the National Academy of Sciences, and the Medical Letter Group has gone further in suggesting they may interfere with treatment and promote some cancers. Antioxidants are generally regarded as counteracting the destructive effect of free radicals in the body, but according to the Medical Letter’s theory, free radicals may also serve the purpose of sending a powerful signal to the body’s immune system to fix the damage. By taking supplements, we risk undermining that message and upsetting the balance of antioxidants and free radicals in the body. The supplements counteract the free radicals, the immune system is not placed on alert, and the disease could sneak through the gates.

D. One problem with supplementation by the tablet is the poor record on digestibility. These tablets are often stocked with metal-based minerals that are essentially miniature rocks, and our bodies are unable to digest them. Even the vitamin elements of these pills that are theoretically digestible are often unable to be effectively extracted by our bodies when they arrive in such a condensed form. In Salt Lake City, for example, over 150 gallons of vitamin and mineral pills are retrieved from the sewer filters each month. According to the physician’s desk reference, only about 10% – 20% of multivitamins are absorbed by the body. The National Advisory Board is even more damning, suggesting that every 100mg of tablet corresponds to about 8.3mg of blood concentration, although noting that this can still potentially perform a helpful role in some cases. In effect, for every $100 you spend on vitamin supplements, over $90 of that is quite literally flushed down the toilet.

E. A final argument against multivitamins is the notion that they can lead people – consciously or not – to the conclusion that supplementation fills in the gaps of an unhealthy diet and mops up afterwards, leaving their bodies none the wiser that instead of preparing a breakfast of fresh fruit and muesli, they popped a tiny capsule with coffee and a chocolate bar. In a seven-year study, however, the Heart Protection study did not find any positive outcome whatsoever from multivitamins and concluded that while vitamins in the diet are important, multivitamin tablets are safe but completely useless. There is evidently no shortcut around the task of buying, preparing, and consuming fresh fruit and vegetables every day. Boosting, supplementing, and fortifying products alter people’s very perception of what healthy food is; instead of heading for the fresh produce aisle in the supermarket, they are likely to seek out sugary, processed foods with a handful of extra B vitamins as a healthy choice. We cannot supplement our way out of a bad diet.



Questions 14-16. Choose, the correct letter, A. B, C, or D. Write the correct letters in boxes 14-16 on your answer sheet.

14. The writer does not recommend multivitamin supplementation for ……………………
A. pregnant women.
B. young children.
C. anyone prone to eye problems.
D. old people.

15. According to the writer, vitamin E has been shown to ………………….
A. lead to heart problems.
B. be good for heart health.
C. support the immune system.
D. have no effect.

16. The Medical letter Group believes antioxidant supplementation ……………………..
A. is ineffective in attacking free radicals.
B. alerts the immune system to the presence of free radicals.
C. attacks both free radicals and the immune system.
D. prevents the immune system from responding to free radicals.

Questions 17-21
Do the following statements agree with the information given in Reading Passage 2?
YES, if the statement agrees with the views of the writer
NO, if the statement contradicts with the views of the writer
NOT GIVEN, if it is impossible to say what the writer thinks about this

17. Some multivitamin tablets have indigestible ingredients.
18. Some individual vitamins are better absorbed than others in a tablet form.
19. Our bodies cannot distinguish food-based from supplement-based vitamins.
20. Multivitamins can lead to poorer overall eating habits in a person’s life.
21. People typically know that fortified processed foods are not good for them.

Questions 22-26. Write the correct letter A, B or C, in boxes 22-26 on your answer sheet.

Classify the following groups of people according to whether they believe.

A. the supplementation may have a positive effect
B. the supplementation may have a negative effect
C. supplementation has no effect

22. The United States Department of Health and Human Services
23. The National Institutes of Health
24. The Food and Nutrition Board of the National Academy of Sciences
25. The National Advisory Board
26. The Heart Protection Group



Reading Passage 3

You should spend about 20 minutes on Questions 27-40, which are based on Reading Passage 3 below.

The Birth of Suburbia

A. There is no single pivotal moment that could be separated out from any other as the conception of the suburban lifestyle; from the early 1800s, various types of suburban development have sprung up and evolved in their own localised ways, from the streetcar suburbs of New York to the dormitory towns outside of London. It is William Levitt, however, who is generally regarded as the father of modem suburbia. During World War II, Levitt served in the United States Navy where he developed expertise in the mass construction of military housing, a process that he streamlined using uniform and interchangeable parts. In 1947, the budding developer used this utilitarian knowledge to begin work with his father and architect brother constructing a planned community on Long Island, New York. With an emphasis on speed, efficiency, and cost-effective production, the Levitts were soon able to produce over 30 units a day.

B. William Levitt correctly predicted the demand for affordable, private, quiet, and comfortable homes from returning GIS after World War II and with the baby boom starting to kick in. All the original lots sold out in a matter of days, and by 1951, nearly 18,000 homes in the area had been constructed by the Levitt fit Sons Company. Levit town quickly became the prototype of mass-produced housing, spurring the construction of similar projects in Pennsylvania, New Jersey, and even Puerto Rico, followed by a new industry, and soon a new way of life and a new ideal for the American family.

C. One of the major criticisms of suburbia is that it can lead to isolation and social dislocation. With properties spread out over great swathes of land, sealed off from one another by bushes, fences and trees, the emphasis of suburban life is placed squarely on privacy rather than community. In the densely populated urban settlements that predated suburbs (and that are still the predominant way of life for some people), activities such as childcare and household chores as well as sources of emotional and moral support were widely socialised. This insured that any one family would be able to draw on a pool of social resources from their neighbours, building cohabitants and family on nearby streets. Suburbia breaks these networks down into individual and nuclear family units resulting in an increase in anti- social behaviour even amongst the wealthy. Teens from wealthy suburban families, for example, are more likely to smoke, drink alcohol, and use drugs than their poorer urban peers, and are also more likely to experience depression and anxiety.

D. Another major problem with the suburban lifestyle is its damaging ecological impact. The comparison of leafy, quiet, and low-density suburbs with life in the concrete towers of sooty, congested urban conurbations is actually quite misleading; as it turns out if you want to be kind to the natural environment, the key is to stay away from it. Suburbia fails the environmental friendliness test on a number of counts. Firstly, due to their low population density, suburbs consume natural land at a much higher rate than high-density row housing or apartment buildings. Secondly, they encourage the use of personal motor vehicles, often at a rate of one per family member, at the expense of public transport. It is also much less efficient to provide electricity and water to individual suburban houses instead of individual units in an apartment building. In his comparison of urban and suburban pollution, Edward L. Glaeser concluded that we need to “build more sky towers – especially in California”. Virtually everywhere, he found cities to be cleaner than suburbs. And the difference in carbon dioxide emissions between high-density cities and their suburbs (for example, in New York) was the highest. Urban residents of New York can claim on average to produce nearly 15,000 pounds of carbon dioxide less than their suburban peers.

E. Another negative aspect of suburban life is its stifling conformity and monotony of social experience. It was not just the nuts and bolts and the concrete foundations of suburban houses that got replicated street upon street, block upon block, and suburb upon suburb; it was everything from the shops and cultural life to people’s hopes, dreams, and aspirations. Suburbia gave birth to the “strip mall”, a retail establishment that is typically composed of a collection of national or global chain stores, all stocked with a centrally dictated, homogenous array of products. The isolation and lack of interaction in suburbs have also encouraged the popularity of television, a passively receptive medium for the viewer that, in the early days at least, offered an extremely limited scope of cultural exposure compared with the wealth of experiences available in the inner city. Meanwhile, much of the inner-city “public sphere” has been lost with the suburban flight. The public sphere is the area of social life in which people come together to freely discuss and identify social problems. In the city, this has traditionally occurred around newsstands, in coffee houses, salons, theatres, meeting halls, and so on. Suburbia has not found a way to replace this special type of social experience, however. Social meeting points in the suburbs tend to be based exclusively around specific interests such as sports or cultural clubs, with no broad forms of daily social interaction.

F. These points do not suggest the idea of suburbia itself is flawed, but that it has not been executed in a way that takes into account the full spectrum of human needs and desires. This likely reflects the hasty, thrown-together nature of early suburban development. With the baby boom rippling across Western countries and demand for family-friendly housing skyrocketing, developers and city planners were unable to develop sophisticated models. Now, however, we should take time to consider what has gone wrong and how we can reconfigure the suburb. How can we imbue suburban life with the lost sphere of public discussion and debate? How can people maintain their after privacy without sacrificing a sense of community? How can we use new technologies to make suburbs environmentally friendly? These are questions for which the developers of tomorrow will have to find answers, lest the dream of suburbia become the nightmare of Disturbia.

Questions 27-31. Reading Passage 3 has six paragraphs, A-F. Which paragraph contains the following information?

Write the correct letter, A-F, in boxes 27-31 on your answer sheet.

27. A reason to construct taller buildings
28. Where people might discuss issues of societal concern in urban locations
29. The founder of what is broadly understood as contemporary ‘suburbs’
30. Examples of problems suffered by the youth that suburban lifestyle can make worse
31. A model for suburban development in the latter half of the 20th century



Questions 32-38
Do the following statements agree with the information given in Reading Passage 3?
YES, if the statement agrees with the views of the writer
NO, if the statement contradicts with the views of the writer
NOT GIVEN, if it is impossible to say what the writer thinks about this

32. A good principle for ecological preservation is to avoid human interference.
33. In some countries, the suburbs are more environmentally friendly than in the USA.
34. Suburban development fosters the use of both public and private forms of transport
35. People cannot relate to each other in the suburbs because their lives are too different.
36. There is not much variety amongst the goods at a strip mall.
37. Television has not tended to offer the same diversity as urban cultural outlets.
38. There are no ways for people to get together and interact in the suburbs.

Questions 39 and 40
Choose TWO letters, A-E.

Which TWO of the following does the author conclude?

A. The very concept of a healthy suburban lifestyle is problematic.
B. The speed of suburban growth has contributed to its imperfections.
C. By thinking about human and ecological needs, suburbs can become better places to live.
D. Developers will have to think about ways of living that do not require suburbs.
E. Suburbs have their downsides, but they are the best way for parents to raise children.

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THE BIG CATS AT THE SHARJAH BREEDING CENTRE IELTS READING

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Reading passage 1

It is one of the few places where you will be able to spot them all at the same time… the Arabian wolf, an African cheetah, an Arabian leopard, an oryx, a gazelle. These are just some of the animals, which, on the brink of extinction, are now getting a new lease of life thanks to the exemplary work being done at the Breeding Centre for Endangered Arabian Wildlife in Sharjah.

Sharjah is one of the seven emirates that make up the United Arab Emirates. The Breeding Centre’s expertise and facilities have made it a prime destination for illegally imported animals confiscated by UAE and Sharjah authorities. In the last four years, more than 900 mammals and reptiles and 969 birds have arrived at the centre, including 25 North African cheetahs, Houbara bustard and falcons, lions, a baby Nile crocodile and a Burmese python that was left in a rental car at the airport.

The 25 cheetahs were all imported illegally into the UAE and were intercepted at the UAE harbour and airport entry points. They nearly all arrived malnourished, dehydrated and highly stressed after long voyages stuffed into boxes, crates and suitcases. Now they are bright and full of energy. The Centre’s efforts have also been rewarded when the first cheetah mating took place at the end of 2002. Playing matchmaker with these beautiful creatures is no easy task – successful breeding requires considerable patience and intimate knowledge of each animal’s personality, and it is the result of intensive and expert management of each animal within the group as well as of the group as a whole.

Because this group was still young and inexperienced in courtship matters, the keepers had to make the introductions only after careful planning and management, much like the lead role in a Jane Austen novel. The female cheetahs were initially intimidated by the presence of the male; however, as they advance to oestrus, the roles are reversed and the male cheetah becomes too wary to approach during the female’s most receptive phase of the cycle. It is the responsibility of the keeper therefore to monitor each individual and to be able to respond to any indication from the cheetahs that the time is right for introducing a pair. The close bond that invariably develops between the keeper and the cheetahs enables the keeper to spot even the most subtle signs from the animals in their care. The trust between keeper and animal has also allowed the opportunity to study cellular changes in the sexual organs of the females during the hormonal cycles that occur prior to reproduction.

The Breeding Centre’s cheetahs are also participants in the European breeding programme, which aims to ensure that the genetic diversity of this endangered species is maintained and expanded by breeding as many founder animals as possible to introduce new bloodlines into the captive population. In this way, the group held at the centre plays a very important role in the future health of the international captive population, as they are potentially all new founders. Also very important for the Sharjah Breeding Centre is the leopard-breeding programme.

The Arabian leopard, Panthera pardus nimr, is critically endangered around the world and particularly in the Arabian peninsula, where it was once found throughout the coastal mountain ranges. Activities like hunting, trapping and habitat destruction has reduced their range to a few isolated and fragmented populations in Oman, Yemen and Saudi Arabia.

In the 1980s, a captive breeding programme was established near Muscat with the capture of three leopards in southwestern Oman. The breeding programme in the UAE was initiated by the Arabian Leopard Trust and started with the arrival of two mature specimens: a male Arabian leopard from Yemen and a female on breeding loan from Oman in 1995. The arrival of these two animals led to the construction of the Breeding Centre in which the leopard has played the role of flagship species.

Today there are twelve leopards at the Breeding centre, eight of which have been born at the centre since the first cub in 1998. Once more, the secret to the centre’s success is the close relationship between animal and keeper. The leopard is usually shy and secretive with people around, but here they react positively to the presence of their keepers, approaching the fence so they can be talked to or scratched behind an ear.

The bond is particularly important during breeding season, when keepers decide to introduce pairs to each other. Male leopards are known to have killed their partners on introduction, so it is essential for the keeper to understand the leopards’ behaviour to decide when it is safe to do so. The trust is also important if keepers need to enter dens to check on and monitor the cub’s growth. Leopard females have been known to kill their cubs if the dens have been disturbed, but the centre’s leopards are quite comfortable with the staff handling the new generation of cubs.



Questions 1-8
Use the information in the text to match the statements (1 – 8) with the animals (A – D). Write the appropriate letter (A – D) in boxes 1 – 8 on your answer sheet. Write:

A if the statement refers to cheetahs at the Breeding Centre.
B if the statement refers to leopards at the Breeding Centre.
C if the statement refers to both cheetahs and leopards at the Breeding Centre.
D If the statement refers to neither cheetahs nor leopards at the Breeding Centre.

Example : These animals are endangered Answer: C

1 These animals were smuggled into the UAE.
2 At first these animals did not adapt to life at the Sharjah Breeding Centre
3 These animals are regarded as the most important animal at the Centre.
4 Half of these animals were born at the Breeding centre.
5 These animals can be dangerous to one another.
6 The role of the keeper is vital in the breeding programme of these animals.
7 The first of these animals at the Breeding Centre were relatively young.
8 It is normally difficult for humans to approach these animals.

Questions 9-13
Complete the summary below. Choose your answers from the box below the summary and write them in boxes 9- 12 on your answer sheet. NB There are more words than spaces, so you will not use them at all.
SUMMARY
The Sharjah Breeding Centre now has a variety of animals including birds, mammals and (9)………………… As its name suggests, the Centre is primarily involved in breeding and (10)………………… the numbers of the species housed there whilst still maintaining the (11)………………… of bloodlines in order to retain genetic health. In spite of problems involving the complex (12)……………………………… of the animals, a fair amount of (13) ………………has been achieved with North African cheetahs and Arabian leopards.


reptilesvarietybehavioursuccesscreating
expandingdifficultydiversityactionhabitat
seasonfishchangeworkingprogramme

Reading passage 2

Insomnia – The Enemy of Sleep

A It is not unusual to have sleep troubles from time to time. But, if you feel you do not get enough sleep or satisfying sleep, you may have insomnia, a sleep disorder. People with insomnia have one or more of the following: difficulty falling asleep, waking up often during the night and having trouble going back to sleep, waking up too early in the morning and unrefreshing sleep. Insomnia is not defined by the number of hours you sleep every night. The amount of sleep a person needs varies. While most people need between 7 and 8 hours of sleep a night, some people do well with less, and some need more.

B Insomnia occurs most frequently in people over age 60, in people with a history of depression, and in women, especially after menopause. Severe emotional trauma can also cause insomnia with divorced, widowed and separated people being the most likely to suffer from this sleep disorder. Stress, anxiety, illness and other sleep disorders such as restless legs syndrome are the most common causes of insomnia. An irregular work schedule, jet lag or brain damage from a stroke or Alzeimer’s disease can also cause insomnia as well as excessive use of alcohol or illicit drugs. It can also accompany a variety of mental illnesses.

C The mechanism that induces sleep is not known. When it becomes dark, the pineal gland in the brain secretes a hormone called melatonin, which is thought to induce sleep. Exactly why sleep is necessary for good health and efficient mental functioning is unknown. We do know that sleep consists of two very different states: rapid eye movement (REM) sleep and non-REM sleep. In REM sleep, dreams occur, the eyes move under the closed lids and there is an increase in oxygen consumption, blood flow and neural activity. REM sleep occurs four or five times during a night. Beginning periods last about ten to fifteen minutes but the periods get longer as the night goes on. The periods of REM sleep alternate with longer periods of non-REM sleep, when body functions slow. Non-REM sleep has four stages. During the deepest stages (3 and 4) it is hard to rouse a sleeper. As the night goes on, the periods of non-REM sleep become progressively lighter. Sleep in stages 1 and 2 are felt to be restorative as during this time the body repairs itself utilising a hormone called somatostatin. Lack of stage 4 sleep is believed to be important in chronically painful conditions such as fibromyalgia.

D Healthcare providers diagnose insomnia in several ways. One way is to categorize insomnia by how often it occurs. Another way is to identify the insomnia by what is causing the sleep deprivation. The two main types of insomnia have been described as Primary Insomnia and Secondary Insomnia. Primary Insomnia is a chronic condition with little apparent association with stress or a medical problem. The most common form of primary insomnia is psychophysiological insomnia. Secondary insomnia is caused by symptoms that accompany a medical condition such as anxiety, depression or pain.

E Improving one’s sleep hygiene helps improve insomnia in all patients. Relaxing during the hour before you go to sleep and creating a comfortable environment suited for sleep can be helpful. Older people who wake up earlier than normal or have trouble falling asleep may need less sleep than they used to. Changing one’s sleep pattern, either by going to bed later or waking up earlier, can be effective in dealing with insomnia in older people. Therapy also depends on the cause and severity of the insomnia. Transient and intermittent insomnia may not require any direct action since these conditions last only a few days at a time. However, if insomnia interferes with a person’s daily activities, something should be done. Usually the best method of dealing with insomnia is by attacking the underlying cause. For example, people who are depressed often have insomnia and looking at this problem may eliminate it.

F Not getting enough sleep can make you less productive, irritable and unable to concentrate. Lack of sleep can make it seem as if you “got up out of the wrong side of the bed.” Early morning headaches and waking up feeling as if you never went to sleep can result in frustration. Stress can cause insomnia but insomnia also increases stress. Insomnia can make driving unsafe as well. Insomnia can result in missed work, which can cause you to become less productive and miss promotions. It can leave you feeling as if you just can’t get enough done. Insomnia can also mask serious mental disorders. People with insomnia may think that not getting enough sleep is their only problem, but the insomnia may actually be one symptom of a larger disorder, such as depression. Studies show that people with insomnia are four times more likely to be depressed than people with a healthy sleeping pattern. In addition, lack of sleep can tax the heart and lead to serious conditions like heart disease. All of these are important problems that can affect every part of your life.

G Establishing certain set routines can help insomniacs get better sleep. Examples of these routines include: going to bed and getting up at the same time every day, avoiding napping, avoiding caffeine, nicotine, alcohol and eating heavily late in the day, exercising regularly and making your bedroom comfortable in terms of the bed, noise and temperature. Insomniacs should also only use their bedroom for sleep so that their bodies associate the room with sleep. Finally, if you can’t get to sleep, don’t toss and turn all night. Get up and read or do something that is not overly stimulating until you feel really sleepy again.



Questions 14-19
The reading passage on Insomnia has 7 paragraphs (A – G). From the list of headings below choose the most suitable headings for paragraphs B – G. Write the appropriate number (i – xi) in boxes 14 – 19 on your answer sheet.
NB There are more headings than paragraphs, so you will not use them all. Example: Paragraph A iv


List of headings
i. The Role of Sleep
ii. Insomnia Medication
iii. Habits to Promote a Good Night’s Sleep
iv. What is Insomnia
v. Complications for Insomniacs
vi. Government Action
vii. Available Treatment for Insomnia
viii. The Causes of Insomnia
ix. Therapy Solutions
x. Types of Insomnia
xi. Current Research

14 Paragraph B
15 Paragraph C
16 Paragraph D
17 Paragraph E
18 Paragraph F
19 Paragraph G

Questions 20-27
Do the following statements agree with the views of the writer of the reading passage on Insomnia? In Boxes 20 – 27 write:
YES if the statement agrees with the writer
NO if the statement doesn’t agree with the writer
NOT GIVEN if it is impossible to say what the writer thinks about this

20 Someone who only gets four hours of sleep a night must be suffering from insomnia.
21 Travelling can cause insomnia.
22 REM sleep is felt to be the most important for the body’s rest.
23 Secondary insomnia is far more common than primary insomnia.
24 Sufferers of insomnia can attend specialist sleep clinics.
25 Many people suffering from insomnia don’t realise that they suffer from it.
26 There is no actual correlation linking insomnia and depression.
27 Sleeping during the day can make insomnia worse.



Reading passage 3

Alternative Farming Methods in Oregon

Onion growers in eastern Oregon are adopting a system that saves water and keeps topsoil in place, while producing the highest quality “super colossal” onions. Pear growers in southern Oregon have reduced their use of some of the most toxic pesticides by up to two-thirds, and are still producing top-quality pears. Range managers throughout the state have controlled the poisonous weed tansy ragwort with insect predators and saved the Oregon livestock industry up to $4.8 million a year.

These are some of the results Oregon growers have achieved in collaboration with Oregon State University (OSU) researchers as they test new farming methods including integrated pest management (IPM). Nationwide, however, IPM has not delivered results comparable to those in Oregon. A recent U.S General Accounting Office (GAO) report indicates that while integrated pest management can result in dramatically reduced pesticide use, the federal government has been lacking in effectively promoting that goal and implementing IPM. Farmers also blame the government for not making the new options of pest management attractive. “Wholesale changes in the way that farmers control the pests on their farms is an expensive business.” Tony Brown, of the National Farmers Association says. “If the farmers are given tax breaks to offset the expenditure, then they would willingly accept the new practices.” The report goes on to note that even though the use of the riskiest pesticides has declined nationwide, they still make up more than 40 percent of all pesticides used today; and national pesticide use has risen by 40 million kilograms since 1992. “Our food supply remains the safest and highest quality on Earth but we continue to overdose our farmland with powerful and toxic pesticides and to under-use the safe and effective alternatives,” charged Patrick Leahy, who commissioned the report. Green action groups disagree about the safety issue. “There is no way that habitual consumption of foodstuffs grown using toxic chemicals of the nature found on today’s farms can be healthy for consumers,” noted Bill Bowler, spokesman for Green Action, one of many lobbyists interested in this issue.

The GAO report singles out Oregon’s apple and pear producers who have used the new IPM techniques with growing success. Although Oregon is clearly ahead of the nation, scientists at OSU are taking the Government Accounting Office criticisms seriously. “We must continue to develop effective alternative practices that will reduce environmental hazards and produce high quality products,” said Paul Jepson, a professor of entomology at OSU and new director of OSU’s Integrated Plant Protection Centre (IPPC). The IPPC brings together scientists from OSU’s Agricultural Experiment Station, OSU Extension service, the U.S. Department of Agriculture and Oregon farmers to help develop agricultural systems that will save water and soil, and reduce pesticides. In response to the GAO report, the Centre is putting even more emphasis on integrating research and farming practices to improve Oregon agriculture environmentally and economically.

“The GAO report criticizes agencies for not clearly communicating the goals of IPM,” said Jepson. “Our challenge is to greatly improve the communication to and from growers, to learn what works and what doesn’t. The work coming from OSU researchers must be adopted in the field and not simply languish in scientific journals.”

In Oregon, growers and scientists are working together to instigate new practices. For example, a few years ago scientists at OSU’s Malheur Experiment Station began testing a new drip irrigation system to replace old ditches that wasted water and washed soil and fertilizer into streams. The new system cut water and fertilizer use by half,
kept topsoil in place and protected water quality. In addition, the new system produced crops of very large onions, rated “super colossal” and highly valued by the restaurant industry and food processors. Art Pimms, one of the researchers at Malheur comments: “Growers are finding that when they adopt more environmentally benign practices, they can have excellent results. The new practices benefit the environment and give the growers their success.”

OSU researchers in Malheur next tested straw mulch and found that it successfully held soil in place and kept the ground moist with less irrigation. In addition, and unexpectedly, the scientists found that the mulched soil created a home for beneficial beetles and spiders that prey on onion thrips – a notorious pest in commercial onion fields – a discovery that could reduce the need for pesticides. “I would never have believed that we could replace the artificial pest controls that we had before and still keep our good results,” commented Steve Black, a commercial onion farmer in Oregon, “but instead we have actually surpassed expectations.”

OSU researchers throughout the state have been working to reduce dependence on broad- spectrum chemical sprays that are toxic to many kind of organisms, including humans. “Consumers are rightly putting more and more pressure on the industry to change its reliance on chemical pesticides, but they still want a picture-perfect product,” said Rick Hilton, entomologist at OSU’s Southern Oregon Research and Extension Centre, where researchers help pear growers reduce the need for highly toxic pesticides. Picture perfect pears are an important product in Oregon and traditionally they have required lots of chemicals. In recent years, the industry has faced stiff competition from overseas producers, so any new methods that growers adopt must make sense economically as well as environmentally. Hilton is testing a growth regulator that interferes with the molting of codling moth larvae. Another study used pheromone dispensers to disrupt codling moth mating. These and other methods of integrated pest management have allowed pear growers to reduce their use of organophosphates by two-thirds and reduce all other synthetic pesticides by even more and still produce top-quality pears. These and other studies around the state are part of the effort of the IPPC to find alternative farming practices that benefit both the economy and the environment.



Questions 28-35
Match the views (28 – 35) with the people listed below.

28 There is a double advantage to the new techniques.
29 Expectations of end users of agricultural products affect the products.
30 The work on developing these alternative techniques is not finished.
31 Eating food that has had chemicals used in its production is dangerous to our health.
32 Changing current farming methods is not a cheap process.
33 Results have exceeded anticipations.
34 The research done should be translated into practical projects.
35 The U.S. produces the best food in the world.

Questions 36-40
Read the passage about alternative farming methods in Oregon again and look at the statements below. In boxes 36 – 40 on your answer sheet write:
TRUE if the statement is true
FALSE if the statement is false
NOT GIVEN if the information is not given in the advertisement

36 Integrated Pest Management has generally been regarded as a success in the US.
37 Oregon farmers of apples and pears have been promoted as successful examples of Integrated Pest Management.
38 The IPPC uses scientists from different organisations.
39 Straw mulch experiments produced unplanned benefits.
40 The apple industry is now facing a lot of competition from abroad.

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SHEET GLASS MANUFACTURE IELTS READING : the Float Process

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Reading passage 1

Glass, which has been made since the time of the Mesopotamians and Egyptians, is little more than a mixture of sand, soda ash and lime. When heated to about 1500 degrees Celsius (°C) this becomes a molten mass that hardens when slowly cooled. The first successful method for making clear, flat glass involved spinning. This method was very effective as the glass had not touched any surfaces between being soft and becoming hard, so it stayed perfectly unblemished, with a ‘fire finish’. However, the process took a long time and was labour intensive.

Nevertheless, demand for flat glass was very high and glassmakers across the world were looking for a method of making it continuously. The first continuous ribbon process involved squeezing molten glass through two hot rollers, similar to an old mangle. This allowed glass of virtually any thickness to be made non-stop, but the rollers would leave both sides of the glass marked, and these would then need to be ground and polished. This part of the process rubbed away around 20 per cent of the glass, and the machines were very expensive.

The float process for making flat glass was invented by Alistair Pilkington. This process allows the manufacture of clear, tinted and coated glass for buildings, and clear and tinted glass for vehicles. Pilkington had been experimenting with improving the melting process, and in 1952 he had the idea of using a bed of molten metal to form the flat glass, eliminating altogether the need for rollers within the float bath. The metal had to melt at a temperature less than the hardening point of glass (about 600°C), but could net boil at a temperature below the temperature of the molten glass (about 1500°C). The best metal for the job was tin.

The rest of the concept relied on gravity, which guaranteed that the surface of the molten metal was perfectly flat and horizontal. Consequently, when pouring molten glass onto the molten tin, the underside of the glass would also be perfectly flat. If the glass were kept hot enough, it would flow over the molten tin until the top surface was also flat, horizontal and perfectly parallel to the bottom surface. Once the glass cooled to 604°C or less it was too hard to mark and could be transported out of the cooling zone by rollers. The glass settled to a thickness of six millimetres because of surface tension interactions between the glass and the tin. By fortunate coincidence, 60 per cent of the flat glass market at that time was for six- millimetre glass.

Pilkington built a pilot plant in 1953 and by 1955 he had convinced his company to build a full-scale plant. However, it took 14 months of non-stop production, costing the company £100,000 a month, before the plant produced any usable glass. Furthermore, once they succeeded in making marketable flat glass, the machine was turned off for a service to prepare it for years of continuous production. When it started up again it took another four months to get the process right again. They finally succeeded in 1959 and there are now float plants all over the world, with each able to produce around 1000 tons of glass every day, non-stop for around 15 years.

Float plants today make glass of near optical quality. Several processes – melting, refining, homogenising – take place simultaneously in the 2000 tonnes of molten glass in the furnace. They occur in separate zones in a complex glass flow driven by high temperatures. It adds up to a continuous melting process, lasting as long as 50 hours, that delivers glass smoothly and continuously to the float bath, and from there to a coating zone and finally a heat treatment zone, where stresses formed during cooling are relieved.

The principle of float glass is unchanged since the 1950s. However, the product has changed dramatically, from a single thickness of 6.8 mm to a range from sub-millimetre to 25 mm, from a ribbon frequently marred by inclusions and bubbles to almost optical perfection. To ensure the highest quality, inspection takes place at every stage.

Occasionally, a bubble is not removed during refining, a sand grain refuses to melt, a tremor in the tin puts ripples into the glass ribbon. Automated on-line inspection does two things. Firstly, it reveals process faults upstream that can be corrected. Inspection technology allows more than 100 million measurements a second to be made across the ribbon, locating flaws the unaided eye would be unable to see. Secondly, it enables computers downstream to steer cutters around flaws.

Float glass is sold by the square metre, and at the final stage computers translate customer requirements into patterns of cuts designed to minimise waste.

Questions 1-8
Complete the table and diagram below. Choose NO MORE THAN TWO WORDS from the passage for each answer.
Write your answers in boxes 1-8 on your answer sheet.

Questions 9-13
Do the following statements agree with the information given in Reading Passage 1? In boxes 9-13 on your answer sheet, write:

TRUE: if the statement agrees with the information
FALSE: if the statement contradicts the information
NOT GIVEN: if there is no information on this

9 The metal used in the float process had to have specific properties.
10 Pilkington invested some of his own money in his float plant.
11 Pilkington’s first full-scale plant was an instant commercial success.
12 The process invented by Pilkington has now been improved.
13 Computers are better than humans at detecting faults in glass.

Reading passage 2. The Little Ice Age

A This book will provide a detailed examination of the Little Ice Age and other climatic shifts, but, before I embark on that, let me provide a historical context. We tend to think of climate – as opposed to weather – as something unchanging, yet humanity has been at the mercy of climate change for its entire existence, with at least eight glacial episodes in the past 730,000 years. Our ancestors adapted to the universal but irregular global warming since the end of the last great Ice Age, around 10,000 years ago, with dazzling opportunism. They developed strategies for surviving harsh drought cycles, decades of heavy rainfall or unaccustomed cold; adopted agriculture and stock-raising, which revolutionised human life; and founded the world’s first pre-industrial civilisations in Egypt, Mesopotamia and the Americas. But the price of sudden climate change, in famine, disease and suffering, was often high.

B The Little Ice Age lasted from roughly 1300 until the middle of the nineteenth century. Only two centuries ago, Europe experienced a cycle of bitterly cold winters; mountain glaciers in the Swiss Alps were the lowest in recorded memory, and pack ice surrounded Iceland for much of the year. The climatic events of the Little Ice Age did more than help shape the modern world. They are the deeply important context for the current unprecedented global warming. The Little Ice Age was far from a deep freeze, however; rather an irregular seesaw of rapid climatic shifts, few lasting more than a quarter-century, driven by complex and still little understood interactions between the atmosphere and the ocean. The seesaw brought cycles of intensely cold winters and easterly winds, then switched abruptly to years of heavy spring and early summer rains, mild winters, and frequent Atlantic storms, or to periods of droughts, light northeasterly winds, and summer heat waves.

C Reconstructing the climate changes of the past is extremely difficult, because systematic weather observations began only a few centuries ago, in Europe and North America. Records from India and tropical Africa are even more recent.
For the time before records began, we have only ‘proxy records’ reconstructed largely from tree rings and ice cores, supplemented by a few incomplete written accounts. We now have hundreds of tree-ring records from throughout the northern hemisphere, and many from south of the equator, too, amplified with a growing body of temperature data from ice cores drilled in Antarctica, Greenland, the Peruvian Andes, and other locations. We are close to a knowledge of annual summer and winter temperature variations over much of the northern hemisphere going back 600 years.

D This book is a narrative history of climatic shifts during the past ten centuries, and some of the ways in which people in Europe adapted to them. Part One describes the Medieval Warm Period, roughly 900 to 1200. During these three centuries, Norse voyagers from Northern Europe explored northern seas, settled Greenland, and visited North America. It was not a time of uniform warmth, for then, as always since the Great Ice Age, there were constant shifts in rainfall and temperature. Mean European temperatures were about the same as today, perhaps slightly cooler.

E It is known that the Little Ice Age cooling began in Greenland and the Arctic in about 1200. As the Arctic ice pack spread southward, Norse voyages to the west were rerouted into the open Atlantic, then ended altogether. Storminess increased in the North Atlantic and North Sea. Colder, much wetter weather descended on Europe between 1315 and 1319, when thousands perished in a continent-wide famine. By 1400, the weather had become decidedly more unpredictable and stormier, with sudden shifts and lower temperatures that culminated in the cold decades of the late sixteenth century. Fish were a vital commodity in growing towns and cities, where food supplies were a constant concern. Dried cod and herring were already the staples of the European fish trade, but changes in water temperatures forced fishing fleets to work further offshore. The Basques, Dutch, and English developed the first offshore fishing boats adapted to a colder and stormier Atlantic. A gradual agricultural revolution in northern Europe stemmed from concerns over food supplies at a time of rising populations. The revolution involved intensive commercial farming and the growing of animal fodder on land not previously used for crops. The increased productivity from farmland made some countries self-sufficient in grain and livestock and offered effective protection against famine.

F Global temperatures began to rise slowly after 1850, with the beginning of the Modern Warm Period. There was a vast migration from Europe by land-hungry farmers and others, to which the famine caused by the Irish potato blight contributed, to North America, Australia, New Zealand, and southern Africa. Millions of hectares of forest and woodland fell before the newcomers’ axes between 1850 and 1890, as intensive European farming methods expanded across the world. The unprecedented land clearance released vast quantities of carbon dioxide into the atmosphere, triggering for the first time humanly caused global warming. Temperatures climbed more rapidly in the twentieth century as the use of fossil fuels proliferated and greenhouse gas levels continued to soar. The rise has been even steeper since the early 1980s. The Little Ice Age has given way to a new climatic regime, marked by prolonged and steady warming. At the same time, extreme weather events like Category 5 hurricanes are becoming more frequent.



Questions 14-17
Reading Passage 2 has six paragraphs, A—F. Choose the correct heading for paragraphs B and D—F from the list of headings below. Write the correct number, i—ix, in boxes 14-17 on your answer sheet.

List of Headings

i Predicting climatic changes
ii The relevance of the Little Ice Age today
iii How cities contribute to climate change
iv Human impact on the climate
v How past climatic conditions can be determined
vi A growing need for weather records
vii A study covering a thousand years
viii People have always responded to climate change
ix Enough food at last

Example Answer
Paragraph A. Answer: viii
Paragraph C. Answer: v

14. Paragraph B
15 Paragraph D
16 Paragraph E
17 Paragraph F

Questions 18-22
Complete the summary using the list of words, A—I, below. Write the correct letter, A—I, in boxes 18-22 on your answer sheet.
Weather during the Little Ice Age

Documentation of past weather condition is limited: our main sources of knowledge of conditions in the distant past are (18)………………. and (19)………………… . We can deduce that the Little Ice Age was a time of (20)………………..… , rather than of consistent freezing. Within it there were some periods of very cold winters, others of (21)…………. and heavy rain, and yet others that saw (22)……………………. with no rain at all.

A. climatic shift
D. glaciers
G. heat waves		B. ice cores
E. interaction
H. storms		C. tree rings
F. weather observations
I. written accounts

Questions 23-26
Classify the following events as occurring during the

A Medieval Warm Period
B Little Ice Age
C Modem Warm Period

Write the correct letter, A, B or C, in boxes 23-26 on your answer sheet.

23 Many Europeans started farming abroad.
24 The cutting down of trees began to affect the climate.
25 Europeans discovered other lands.
26 Changes took place in fishing patterns.



Reading passage 3. The meaning and power of smell

A A survey conducted by Anthony Synott at Montreal’s Concordia University asked participants to comment on how important smell was to them in their lives. It became apparent that smell can evoke strong emotional responses. A scent associated with a good experience can bring a rush of joy, while a foul odour or one associated with a bad memory may make us grimace with disgust. Respondents to the survey noted that many of their olfactory likes and dislikes were based on emotional associations. Such associations can be powerful enough so that odours that we would generally label unpleasant become agreeable, and those that we would generally consider fragrant become disagreeable for particular individuals. The perception of smell, therefore, consists not only of the sensation of the odours themselves, but of the experiences and emotions associated with them.

B Odours are also essential cues in social bonding. One respondent to the survey believed that there is no true emotional bonding without touching and smelling a loved one. In fact, infants recognise the odours of their mothers soon after birth and adults can often identify their children or spouses by scent. In one well-known test, women and men were able to distinguish by smell alone clothing worn by their marriage partners from similar clothing worn by other people. Most of the subjects would probably never have given much thought to odour as a cue for identifying family members before being involved in the test, but as the experiment revealed, even when not consciously considered, smells register.

C In spite of its importance to our emotional and sensory lives, smell is probably the most undervalued sense in many cultures. The reason often given for the low regard in which smell is held is that, in comparison with its importance among animals, the human sense of smell is feeble and undeveloped. While it is true that the olfactory powers of humans are nothing like as fine as those possessed by certain animals, they are still remarkably acute. Our noses are able to recognise thousands of smells, and to perceive odours which are present only in extremely small quantities.

D Smell, however, is a highly elusive phenomenon. Odours, unlike colours, for instance, cannot be named in many languages because the specific vocabulary simply doesn’t exist. ‘It smells like . . .,’ we have to say when describing an odour, struggling to express our olfactory experience. Nor can odours be recorded: there is no effective way to either capture or store them over time. In the realm of olfaction, we must make do with descriptions and recollections. This has implications for olfactory research.

E Most of the research on smell undertaken to date has been of a physical scientific nature. Significant advances have been made in the understanding of the biological and chemical nature of olfaction, but many fundamental questions have yet to be answered. Researchers have still to decide whether smell is one sense or two – one responding to odours proper and the other registering odourless chemicals in the air. Other unanswered questions are whether the nose is the only part of the body affected by odours, and how smells can be measured objectively given the nonphysical components. Questions like these mean that interest in the psychology of smell is inevitably set to play an increasingly important role for researchers.

F However, smell is not simply a biological and psychological phenomenon. Smell is cultural, hence it is a social and historical phenomenon. Odours are invested with cultural values: smells that are considered to be offensive in some cultures may be perfectly acceptable in others. Therefore, our sense of smell is a means of, and model for, interacting with the world. Different smells can provide us with intimate and emotionally charged experiences and the value that we attach to these experiences is interiorised by the members of society in a deeply personal way. Importantly, our commonly held feelings about smells can help distinguish us from other cultures. The study of the cultural history of smell is, therefore, in a very real sense, an investigation into the essence of human culture.



Questions 27-32
Reading Passage 3 has six paragraphs, A—F. Choose the correct heading for each paragraph from the list of headings below.
Write the correct number, i—viii, in boxes 27-32 on your answer sheet.

List of Headings

i The difficulties of talking about smells
ii The role of smell in personal relationships
iii Future studies into smell
iv The relationship between the brain and the nose
v The interpretation of smells as a factor in defining groups
vi Why our sense of smell is not appreciated
vii Smell is our superior sense
viii The relationship between smell and feelings

27 Paragraph A
28 Paragraph B
29 Paragraph C
30 Paragraph D
31 Paragraph E
32 Paragraph F

Questions 33-36
Choose the correct letter, A, B, C or D. Write the correct letter in boxes 33-36 on your answer sheet.

33 According to the introduction, we become aware of the importance of smell when
A we discover a new smell
B we experience a powerful smell
C our ability to smell is damaged
D we are surrounded by odours

34 The experiment described in paragraph B
A shows how we make use of smell without realising it
B demonstrates that family members have a similar smell
C proves that a sense of smell is learnt
D compares the sense of smell in males and females

35 What is the writer doing in paragraph C?
A supporting other research
B making a proposal
C rejecting a common belief
D describing limitations

36 What does the writer suggest about the study of smell in the atmosphere in paragraph E?
A The measurement of smell is becoming more accurate
B Researchers believe smell is a purely physical reaction
C Most smells are inoffensive
D Smell is yet to be defined

Questions 37-40
Complete the sentences below. Choose ONE WORD ONLY from the passage for each answer. 37 Tests have shown that odours can help people recognise the… belonging to their husbands and wives.

38 Certain linguistic groups may have difficulty describing smell because they lack the appropriate……………

39 The sense of smell may involve response to… which do not smell, in addition to obvious odours.

40 Odours regarded as unpleasant in certain are not regarded as unpleasant in others.

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