职称英语考试

试题来源：职称英语模拟题-理工类-完形填空
【单选题】

Here is the story of rubber

Here is the story of rubber. From the earliesttime it was __1__ common knowledge to the Peruvians that when a cut was made inthe 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 whenwarm, so that it is possible to give it any __4__. The Peruvians made thediscovery 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 madeovershoes __6__ their feet dry. Then came a certain Mr. Mackintosh, who madecoats of cloth covered with natural rubber. From that day to this we have beencoating cloth with rubber as Mr. Mackintosh __7__, and our raincoats are stillnamed after him.
But these first rubber overshoes and raincoats wereall soft and sticky in summer, and __8__ and inelastic in the winter when itwas cold. But the rubber we have today is soft and elastic, though verystrong---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 strangething took place. A friend of __12__, Nicholas Hayward, had the idea in hissleep that rubber might be made hard and strong if mixed with sulphur and putin the sun. Goodyear put this idea __13__ the test, and saw that it did havemore or less the desired effect---though somewhat less than more. The onlyeffect it had was on the outside of the rubber. It is common knowledge now thatthe way to make rubber hard and strong is __14__ sulphur. It took Goodyear fourmore 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) aB) \ 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 itwith D) by heating with
15. A) was used B) had used C) had been used D) wasbeing used

网考网参考答案：B、A、B、D、C、B、A、C、C、D、A、B、B、C、C
大数据分析：根据网考网与考试题库的统计分析，该试题：
3%的考友选择了A选项
1%的考友选择了B选项
0%的考友选择了C选项
96%的考友选择了D选项
考友解析与评论：
 · 不注意就选错了,其实这条是会的.坑人的题目.
 · 我也是B、A、B、D、C、B、A、C、C、D、A、B、B、C、C，是不是标准答案，晕
 · 这个答案应该是错的，应该是B、A、B、D、C、B、A、C、C、D、A、B、B、C、C