完形填空部分主要测试考生在语篇水平上的理解能力和实际运用语言的能力。测试的形式是在一篇题材熟悉、难度适中的短文（约150-180词）中留出20个空（第一句和最后一句不留空），每个空为一题，要求考生就所给篇章后所给各题的四个选项中选出可以填入空白处的一个最佳答案。一般来说，该部分共20小题，每小题0.5分，总计10分。为帮助大家备考此类题型，希赛网考博英语频道为大家整理了部分试题，来练习吧。
Every human being has unique arrangement of skin on his fingers andthis arrangement is unchangeable. Scientists and experts have proved the 1 offinger-prints and discovered that no 2 similar pattern is 3 from parents tochildren, 4 nobody knows why this is the 5 .
The ridge 6 on a person’ finger doesn’t change 7growth and is not affected by 8 injuries. Burns, cuts and other damages to the9 part of the skin will be replaced 10 by a new one which bears thereproduction of the 11 pattern. It is only when the inner skin is injured thatthe arrangement will be 12 Some criminals make use of this to 13 their ownfinger-prints 14 this is a dangerous and rare step to 15 .
Finger-prints can be made very easily with a printer’s ink. Theycan be recorded easily. With special method, 16 can be achieved successfullywithin a short time. 17 the simplicity and economy of this system, finger-printhave often been used as a method of solving criminal cases. A 8 man may denythe charge but this may be 19 . His finger-prints can prove who he is even his20 has been changed by age or accident.
1. A. uselessnessB. quantityC. magnitudeD. uniqueness
2. A. naturally B. exactlyC. especiallyD. particularly
3. A. passed onB. passed awayC. passed outD. passed off
4. A. ifB. whenC. thoughD. as
5. A. reasonB. causeC. groundD. case
6. A. constructionB. structureC. locationD. position
7. A. withB. because ofC. untilD. under
8. A. graveB. severeC. substantialD. superficial
9. A. outsideB. outwardC. innerD. outer
10. A. in timeB. on timeC. at timesD. behind time
11. A. originalB. differentC. definiteD. customary
12. A. restoredB. hurtC. destroyedD. restricted
13. A. diminishB. disposeC. undermineD. remove
14. A. andB. butC. whenD. if
15. A. makeB. takeC. doD. adapt
16. A. realizationB. detectionC. identificationD. investigation
17. A. In spite ofB. Irrespective ofC. Because ofD. In case of
18. A. suspectedB. doubtedC. distrustedD. doubtful
19. A. out of caseB. in vainC. at randomD. in question
20. A. lookB. expressionC. appearanceD. sight
1. 【答案】D. uniqueness
2. 【答案】B. exactly
3. 【答案】A. passed on
4. 【答案】 C. though
5. 【答案】D. case
6. 【答案】B. structure
7. 【答案】A. with
8. 【答案】D. superficial
9. 【答案】D. outer
10.【答案】A.in time
11. 【答案】A. original
12. 【答案】C. destroyed
13.【答案】D. removed
14. 【答案】 B. but
15.【答案】B. take
16.【答案】C. identification
17.【答案】C. Because of
18.【答案】A. suspected
19. 【答案】B. in vain
20. 【答案】C. appearance
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