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Every human being has unique arrangement ofskin on his fingers and this arrangement isunchangeable. Scientists and experts have provedthe 1 of finger-prints and discovered that no 2similar pattern is 3 from parents to children, 4nobody knows why this is the 5 .

The ridge 6 on a person’ finger doesn’t change7 growth and is not affected by 8 injuries. Burns, cuts and other damages to the 9 part of theskin will be replaced 10 by a new one which bears the reproduction of the 11 pattern. It isonly when the inner skin is injured that the arrangement will be 12 Some criminals make use ofthis to 13 their own finger-prints 14 this is a dangerous and rare step to 15 .

Finger-prints can be made very easily with a printer’s ink. They can be recorded easily. Withspecial method, 16 can be achieved successfully within a short time. 17 the simplicity andeconomy of this system, finger-print have often been used as a method of solving criminalcases. A 8 man may deny the charge but this may be 19 . His finger-prints can prove who he iseven his 20 has been changed by age or accident.

1. A. uselessness B. quantity C. magnitude D. uniqueness

2. A. naturally B. exactly C. especially D. particularly

3. A. passed on B. passed away C. passed out D. passed off

4. A. if B. when C. though D. as

5. A. reason B. cause C. ground D. case

6. A. construction B. structure C. location D. position

7. A. with B. because of C. until D. under

8. A. grave B. severe C. substantial D. superficial

9. A. outside B. outward C. inner D. outer

10. A. in time B. on time C. at times D. behind time

11. A. original B. different C. definite D. customary

12. A. restored B. hurt C. destroyed D. restricted

13. A. diminish B. dispose C. undermine D. remove

14. A. and B. but C. when D. if

15. A. make B. take C. do D. adapt

16. A. realization B. detection C. identification D. investigation

17. A. In spite of B. Irrespective of C. Because ofD. In case of

18. A. suspected B. doubted C. distrusted D. doubtful

19. A. out of case B. in vain C. at randomD. in question

20. A. look B.expression C. appearance D. sight

参考答案：DBACD，BADDA，ACDBB，CCABC