考博英语模拟题（一）完形填空练习

考博英语模拟题（一）完形填空练习

　　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

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

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