Solution for: Global Warming

Answer Table

1. D 8. YES
2. C 9. NOT GIVEN
3. D 10. NOT GIVEN
4. D 11. YES
5. A 12. in recycled paper
6. NOT GIVEN 13. most to lose
7. NO 14. B

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Exam Review

Global Warming

Day after day we hear about how anthropogenic development is causing global warming. According to an increasingly vocal minority, however, we should be asking ourselves how much of this is media hype cud how much is based on real evidence. It seems, as so often is the ease, that it depends on which expert you listen to, or which statistics you study. Yes, It is true that there is a mass of evidence to indicate that the world is getting wanner, with one of the world’s leading weather predictors stating that air temperatures have frown an increase of just under half a degree Celsius since the beginning of the twentieth century. And while this may not sound like anything worth losing sleep over, the interna­tional press would have us believe that the consequences could be devastating. Other ex­perts, however, are of the opinion that what we are seeing is just part of a natural upward and downward swing flint has always been part of the cycle of global weather. An analysis of the views of major meteorologists in the United States showed that less than 20% of them believed that any change in temperature over the lust hundred years was our own fault – the rest attributed it to natural cyclical changes.

There is, of course, no denying that we are still at a very early stage in understanding weather. The effects of such variables as rainfall, cloud formation, the seas and oceans, gases such as methane and ozone, or even solar energy are still not really understood, and therefore the predictions that we make using them cannot always be relied on. Dr. James Hansen, in 19BH, was predicting that the likely effects of global warming would be a raising of world temperature which would have disastrous consequences for mankind: “a strong cause arid effect relationship between the current climate and human alteration of the at­mosphere”. He has now gone on record as stating that using artificial models of climate as a way of predicting change is all but impossible. In fact, he now believes that, rather than getting hotter, our planet is getting greener as a result of the carbon dioxide increase, with the prospect of increasing vegetation In areas which in recent history have been frozen wastelands.


In fact, there is some evidence to suggest that as our computer-based weather models have become more sophisticated, the predicted rises In temperature have been cut back. In addi­tion, if we Look at the much reported rise in global temperature over the last century, a close analysis reveals that the lion’s share of that increase, almost three quarters in total, occurred before man began to “poison” his world with industrial processes anti the accom­panying greenhouse gas emissions in the second half of the twentieth century.

So should we pay any attention to those stories that scream out at us from billboards and television news headlines, claiming that man, with his inexhaustible dependence on oil-based machinery and ever more sophisticated forms of transport is creating a nightmare level of greenhouse gas emissions, poisoning his environment and ripping open the ozone layer? Doubters point to scientific evidence, which can prove that, of all the greenhouse gases, only two percent come From man-made sources, the rest resulting from natural emissions. Who, then, to believe: the environmentalist exhorting us to leave the car at home, to buy re-usable products packaged in recycled paper and to plant trees in our back yard? Or the sceptics, including, of course, a lot of big businesses who have most to lose, when they tell us that we are making a mountain out of a molehill? And my own opinion? The jury’s  still out as for as I am concerned!

Questions 1-5

1) The author …

A   believes that man is causing global warming

B   believes that global warming is a natural process

C is sure what the causes of global warming are

D does not say what he believes the causes of global warming are
Answer: D

 

2) As to the cause of global warming, the author believes that …

A     occasionally the fact depend on who you are talking to

B   the facts always depend on who you are talking to

C     often the fact depend on which expert you listen to

D   you should not speak to experts
Answer: C

3) More than 80% of the top meteorologists in the United States are of the opinion that.. .                

A     global warming should make us lose sleep

B     global warming is not the result oil natural cyclical changes, but man-made

C     the consequences of global warming will be deviating

D   global warming is not man-made, but the result of natural cyclical changes
Answer: D

 

4) Our understanding of weather…

A leads to reliable predictions

B Is variable

C cannot be denied

D is not very developed yet
Answer: D

5) Currently, Dr. James Hansen’s beliefs include the fact that …

A It is nearly Impossible to predict weather change using artificial models

B the consequences of global  warming would be disastrous for in mankind

C there Is a significant link between the climate now, mid man’s changing of the atmosphere

D Earth is getting colder
Answer: A

Questions 6-11

Do the statements below agree with the information in Reading Passage? In Boxes 6-11, write:

Yes                if the statement agrees with the information in the passage
No                 if the statement contradicts the information in the passage
Not Given    if there ls no information about the statement in the passage

Example: Computer-based weather models have become more sophisticated.

Answer: Yes.

6 At the same time that computer-based weather models have become more sophisticated, weather forecasters have become more expert.
Answer: NOT GIVEN

7 Most of the increase In global temperature happened in the second half of the twentieth century.
Answer: NO

8 The media wants us to blame ourselves for global warming.
Answer: YES

9 The media encourages the public to use environmentally friendly vehicles, such as electric cars to combat global warming.
Answer: NOT GIVEN

10 Environmentalists are very effective at persuading people to be kind to the environment.
Answer: NOT GIVEN

11 Many big businesses are on the side of the skeptics as regards the cause of global warming.
Answer: YES



Questions 12 and 13

Complete the sentences below. Use NO MORE THAN THREE WORDS from the passage for each blank space. Write your answers in Boxes 12 and 13 on your answer sheet.

12) As well as planting trees and not driving, the environmentalist would like us to

choose products that are wrapped 12
Answer: in recycled paper and  can be used more than once.

 

13) Big businesses would have us believe that we are making too much fuss about global warming, because they have 13
Answer: most to lose



Question 14

Choose the appropriate letter A-D and write it in Box 14 on your answer sheet

14) Which of these is the best title for this text?

A       Global Warming is for real

B       Global warming – media hype or a genuine threat?

C   Weather changes over the last 100 years

D       Global Warming – the greatest threat to mankind
Answer: B



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