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大学英语六级考试精选模拟试题(5)

2017-09-13 16:04:49来源:英语六级考试网分享
导读:大学英语六级虽然在很多人看来并不是特别难考,但是在备考阶段进行适当的英语六级考试试题演练还是非常有必要的,下面小编为你推荐英语六级模拟试题,让你在不断地练习中熟悉题型,加强做题的能力,达到做cet6模拟题的效果。

>>英语六级模拟试题:大学英语六级考试精选模拟试题(5)

>>英语六级考试试题精讲课程

The Development of Rubber

Here is the story of rubber. From the earliest time it was __1__ common knowledge  to the Peruvians that when a cut was made in the outside skin of a rubber tree, a  white liquid __2__ milk came out, and that __3__ this a sticky mass of rubber might be  made. This rubber is soft when warm, so that it is possible to give it any __4__. The  Peruvians made the discovery that it was very good for keeping out __5__. Then in the  early 1800's, the Americans made use of it for the first time. First they made  overshoes __6__ their feet dry. Then came a certain Mr. Mackintosh, who made coats of  cloth covered with natural rubber. From that day to this we have been coating cloth  with rubber as Mr. Mackintosh __7__, and our raincoats are still named after him.

But these first rubber overshoes and raincoats were all soft and sticky in summer,  and __8__ and inelastic in the winter when it was cold. But the rubber we have today  is soft and elastic, though very strong---even in the __9__ summer and the coldest  winter. This was made __10__ by a man called Goodyear. __11__ experiments, he found  that nitric acid (HNO3) made the rubber much better, but it is not hard and strong  enough. Then strange thing took place. A friend of __12__, Nicholas Hayward, had the  idea in his sleep that rubber might be made hard and strong if mixed with sulphur and  put in the sun. Goodyear put this idea __13__ the test, and saw that it did have more  or less the desired effect---though somewhat less than more. The only effect it had  was on the outside of the rubber. It is common knowledge now that the way to make  rubber hard and strong is __14__ sulphur. It took Goodyear four more years to find  this method. When at last he did it, he had nothing at all. Everything of the smallest  value __15__ to get money, even his sons' school-books.

1. A) a

B)

C) an

D) the

2. A) like

B) alike

C) in the form of

D) similar

3. A) with

B) from

C) up

D) of

4. A) thing

B) heat

C) press

D) form

5. A) wet weather

B) wet day

C) the wet

D) wet

6. A) to make

B) to keep

C) make

D) keep

7. A) did

B) had done

C) has done

D) was doing

8. A) cold

B) cool

C) hard

D) strong

9. A) warmer

B) warm

C) warmest

D) warm-up

10. A) impossible

B) possibly

C) possibility

D) possible

11. A) After many

B) With an

C) Having made much

D) With regard to

12. A) him

B) his

C) them

D) theirs

13. A) on

B) to

C) in

D) with

14. A) to heat with

B) to heat it by

C) by heating it with

D) by heating with

15. A) was used

B) had used

C) had been used

D) was being used

KEY: BABDC BACCD ABBCC

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