2017年职称英语考试综合类完形填空练习及答案(4)
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
相关热词： 2012完形填空 职称英语 答案练习 综合类