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2017年职称英语考试理工类(C级)试题,
Home schooling is often more interesting than regular schools，but critics say that home-schoolers are outsiders who might be uncomfortable mixing with other people in adult life． (50)However,most parents don't have the time or the desire to teach their children at home，so schools will continue to be where most children get their formal education.
A Interestingly,results show that home-schooled children quite often do better than average on national tests in reading and math.
B Critics also say that most parents are not well qualified to teach their children．
C Learning starts with the children's interests and questions.
D Children who are educated at home are known as"home．schoolers．"
E In some countries，however,children are educated by their parents.
F If the Brazilian rain forests are on the TV news．it could be a perfect time to talk about how rain forests influence the climate，and how deserts are formed．
第6部分：完形填空 (第5l~65题，每题1分，共15分)
阅读下面的短文，文中有15处空白，每处空白给出4个选项，请根据短文的内容从4个选项中选择1个最佳答案，涂在答题卡相应的位置上。
The Development of Rubber
Here is the story of rubber.From the earliest time it was common knowledge (51) the Peruvians that when a cut was made in the outside skin of a rubber tree , a white dliquid (52) milk came out ,and that (53) this a sticky(粘的)mass of rubber might be made .This rubber is soft when warm,so that it is possible to give it any (54).The Peruvians made the (55) that it was very good for keeping out the wet. Then in the early 1800's ,the Americans made use of it for the first time .First they made overshoes to (56) 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 (57),and our raincoats are still named after him.
But these first rubber overshoes and raincoats were all soft and sticky in summer,and (58)and inelastic(无弹性的)in the winter when it was cold.But the rubber we have today is soft and elastic(有弹性的), (59)very strong-even in the warmest summer and the coldest winter.This was made (60)by a man called Goodyear.After many (61),he found that nitric acid(销酸)made the rubber much better,but it is not hard and strong enough.Then a strange thing took (62).A friend of his ,Nicholas Hayward,had the idea in his sleep that rubber might be made hard and strong if mixed with sulphur(硫磺)and put in the sun.Goodyear put this idea (63)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 drubber.It is common knowledge now that the (64)to make rubber hard and strong is by heating dit with sulphur.It took Goodyear four more years to find this method.When at last he did it,he had (65)at all .Everything of the smallest value had been used to get money,even his sons'school-books.
51 A for B to C about D with
52A like B alike C resembled D similar
53A on B from C up D in
54 A use B heat C pressure D from
55 A creation B invention C discovery D recognition
56 A retain B keep C hold D set
57 A did B built C tried D conducted
58 A weak B gentle C hard D strong
59 A or B however C though D even
60 A capable B probable C practical D possible
61 A experiments B checks C discoveries D works
62 A form B place C shape D size
63 A on B to C in D with
64 A system B style C way D direction
65 A everything B anything C nothing D something
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