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2011年考博英语模拟题(一)完形填空

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发表于 2012-12-21 21:25:20 | 只看该作者 回帖奖励 |倒序浏览 |阅读模式
Why, you may wonder, should spiders be our friends? Because they destroy so many insects, and insects  1  some of the greatest enemies of the human race. Insects would make  2  impossible for us to live in the world. They would devour (eat up quickly) all our crops and kill our flocks and herds, were it not  3  the protection we get from insect-eating animals. We  4  a lot to the birds and beasts who eat insects but all of them  5  together kill only a fraction of the  6   destroyed by spiders.  7  , unlike some of the insect eaters, spiders never do the least  8  to us or our belongings.
Spiders are not insects,  9  many people think,  10  even nearly related to them. One can tell the  11  almost at a glance,  12  a spider always has eight legs but an insect never more than six.
How many spiders are  13  in this work on our  14  ? One authority  15  spiders made a  16  of the spiders in a grass field in the south of England, and he estimated that there were more than 2 250 000 in one acre; that is  17  like 6000 000 spiders of different kinds on a football field. Spiders are busy for at least half the year in killing insects. It is  18  to make more than the  19  guess at how many they kill, but they are hungry creature, not  20  with only three meals a day.

1. A. includeB. involveC. consistD. cover
2. A. thisB. that C. itD. them
3. A. withB. forC. ofD. on
4. A. devoteB. dedicateC. oweD. contribute
5. A. gottenB. putC. linkedD. associated
6. A. numberB. amountC. plentyD. proportion
7. A. ConsequentlyB. MoreoverC. ConverselyD. However
8. A. damageB. ruinC. goodD. harm
9. A. asB. whichC. becauseD. though
10. A. soB. eitherC. norD. none
11. A. likenessB. differenceC. similarityD. appearance
12. A. ifB. althoughC. forD. when
13. A. participatedB. joinedC. enclosedD. involved
14. A. honorB. sakeC. sideD. behalf
15. A. onB. inC. aboutD. with
16. A. censusB. consensusC. conscienceD. consciousness
17. A. nothingB. somethingC. anythingD. everything
18. A. likelyB. uselessC. impossibleD. probable
19. A. broadestB. widestC. bravestD. wildest
20. A. concernedB. identifiedC. patientD. content
参考答案:

1-5:acbcb  6-10:abdaa  11-15:cbddb 16-20:bddcd
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