Polyester is now being used for bottles. ICI, the chemicals and plastics company, believes that it is now beginning to break the grip of glass on the bottle business and thus take advantage of this huge market.
All the plastics manufacturers have been experiencing hard times as their traditional products have been doing badly world-wide for the last few years. Between 1982 and 1984 the Plastics Division of ICI had lost a hundred and twenty million dollars, and they felt that the. most hopeful new market was in packaging, bottles and cans.
Since 1982 it has opened three new factories producing Melinar, the raw material from which high quality polyester bottles are made.
The polyester bottle was born in the 1970s, when soft drinks companies like Coca Cola started selling their drinks in giant two-liter containers. Because of the build-up of the pressure of gas in these large containers, glass was unsuitable. Nor was PVC, the plastic which had been used for bottles since the 1960s, suitable for drinks with gas in them. A new plastic had to be made.
Glass is still cheaper for the smaller bottles, and will continue to be so unless oil and plastic become much cheaper, but plastic does well for the larger sizes.
Polyester bottles are virtually unbreakable. The manufacturers claim they are also lighter, less noisy when being handled, and can be reused. Shopkeepers and other business people are unlikely to object to a change from glass to polyester, since these bottles mean few breakages, which are costly and time-consuming. The public, though, have been more difficult to persuade. ICIs commercial department is developing different bottles with interesting shapes, to try and make them visually more attractive to the public.
The next step could be to develop a plastic which could replace tins for food. The problem here is the high temperatures necessary for cooking the food in the container.
26. Plastics of various kinds have been used for making bottles__________.
A. since 1982
B. since the 1970s but only for large bottles
C. since the 1960s but not for liquids with gas in them
D. since companies like Coca Cola first tried them
27. Why is ICIs Plastics Division interested in polyester for bottles?
A. The other things they make are not selling well.
B. Glass manufacturers cannot make enough new bottles.
C. They have factories which could be adapted to make it.
D. The price of oil keeps changing.
28. Why arent all bottles now made of polyester?
A. The price of oil and plastic has risen.
B. It is not suitable for containing gassy drinks.
C. The public like traditional glass bottles.
D. Shop-keepers dislike reusable bottles.
29. Manufacturers think polyester bottles are better than glass bottles because they ______.
A. are cheaper
B. are more suited to small sizes
C. are more exciting to look at
D. do not break easily
30. Plastic containers for holding food in the same way as cans ______.
A. have been used for many years
B. are an idea that interests the plastics companies
C. are possible, but only for hot food
D. are the first things being made in the new factories
参考答案:26. C 27. A 28. C 29. D 30. B
There are two factors which determine an individuals intelligence. The first is the sort of brain he is born with. Human brains differ considerably , some being more capable than others. But no matter how good a brain he has to begin with, an individual will have a low order of intelligence unless he has opportunities to learn. So the second factor is what happens to the individual the sort of environment in which he is brought up. If an individual is handicapped environmentally, it is likely that his brain will fail to develop and he will never attain the level of intelligence of which he is capable.
The importance of environment in determining an individuals intelligence can be demonstrated by the case history of the identical twins, Peter and Mark. Being identical, the twins had identical brains at birth, and their growth processes were the same. When the twins were three months old, their parents died, and they were placed in separate foster homes. Peter was raised by parents of low intelligence in an isolated community with poor educational opportunities. Mark was reared in the home of well-to-do parents who had been to college. He was read to as a child, sent to good schools, and given every opportunity to be stimulated intellectually. This environmental difference continued until the twins were in their late teens, when they were given tests to measure their intelligence. Marks I. Q. was 125, twenty-five points higher than the average and fully forty points higher than his identical brother. Given equal opportunities, the twins, having identical brains, would have tested at roughly the same level.
21. This selection can best be titled ______.
A. Measuring Your Intelligence
B. Intelligence and Environment
C. The Case of Peter and Mark
D. How the Brain Influences Intelligence
22. The best statement of the main idea of this passage is that ______.
A. human brains differ considerably
B. the brain a person is born with is important in determining his intelligence
C. environment is crucial in determining a persons intelligence
D. persons having identical brains will have roughly the same intelligence
23. According to the passage, the average I. Q. is ______.
A. 85 .
B. 100
C. 110
D. 125
24. The case history of the twins appears to support the conclusion that ______.
A. individuals with identical brains seldom test at the same level
B. an individuals intelligence is determined only by his environment
C. lack of opportunity blocks the growth of intelligence
D. changes of environment produce changes in the structure of the brain
25. This passage suggests that an individuals I. Q. ______.
A. can be predicted at birth
B. stays the same throughout his life
C. can be increased by education
D. is determined by his childhood
参考答案:21. B 22. C 23. B 24. C 25. C
As a reliable travel agency, we really do try to describe our centers and accommodation as realistically as possible. All our Super Centers and Main Centers have been extensively investigated during the winter season 1975-1976. As a result we have first-hand information on the way in which hotels, life networks and ski schools, etc. Operate during the season. We have not been able to investigate, at first hand, all our Independent Centers during the last season but all have been visited during the past three seasons. Should you need any more information about these centers we will try to get it for you. Our American centers have been investigated on our behalf by United Airlines Tours Department and by the U. S. tour operators who are assisting United and ourselves to offer you this novel program to the United States.
Where possible we have eliminated the use of superlatives from the text and have concentrated on as accurate a description as possible. Nevertheless you should bear in mind that your opinion and the opinion of our investigator might differ and there may be changes between the time of a visit by our investigator and the visit of one of our customers.
We trust that it is evident to you that we have done all in our power to eliminate misdescription and that there really is no question of misrepresenta-tion on our parteither careless or otherwise. We welcome your constructive criticismit is the best way we know of improving our brochures and our service. Although complaints are very expensive to handle, your complaint or criticism will be thoroughly investigated and a refund made if it is justifiednone will be made if it isnt.
26. The firm claims that all its winter sports centers have been the recent target of _______.
A. a program of personal visits
B. intensive enquiries about facilities
C. attempts to increase hotel accommodation
D. an improved information service
27. The Independent Centers were personally inspected_______.
A. the year before last B. three years ago
C. between 1975 and 1976 D. within the last three seasons
28. The program of tours to the United States appears to be_______.
A. a new collaboration with U. S. travel firms
B. newly taken over by U. S. tour operations
C. a new independent venture
D. organized by United Airlines
29. Their brochure would be more attractive to read, they say, if_______.
A. it were less truthful
B. it used fewer superlatives
C. it eliminated description
D. it were more encouraged
30. The firms claim is that their program is improved by_______.
A. helpful fault-finding by customers
B. attractive description of the centers in every brochure
C. a standard policy of prompt repayment
D. careful control of the hotels
参考答案:26. A 27. D 28. A 29. A 30. A
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