[小题1] Scientists and experts have proved the uniqueness of finger-prints and discovered that no exactly similar pattern is passed on from parents to children, though nobody knows why this is the case. 题目和参考答案——青夏教育精英家教网—

题目内容

__【小题1】___ Scientists and experts have proved the uniqueness of finger-prints and discovered that no exactly similar pattern is passed on from parents to children, though nobody knows why this is the case.
The ridge （隆起） structure on a person's fingers does not change with growth and is not affected by surface injuries. Burns, cuts and other damage to the outer part of the skin will be replaced in time by new one, which bears a reproduction of the original pattern.【小题2】 Some criminals make use of this fact to remove their own finger-prints but this is a dangerous and rare step to take.
Finger-prints can be made very easily with printer's ink. They can be recorded easily.
___【小题3】___ Because of the simplicity and economy of this system, finger-prints have often been used as a method of solving criminal case. A suspected man may deny a charge but this may be in vain. ___【小题4】___ .
When a suspect leaves finger-prints behind at the scene of a crime, they are difficult to detect with the naked eye. ___【小题5】___ . Some of the marks found are incomplete but identification is possible if a print of a quarter of an inch square can be obtained.

A．Special techniques are used to "develop" them.

B．A fingerprint is an impression of the friction ridges of all part of the finger.

C．It is only when the inner skin is injured that the arrangement will be destroyed.

D．With special methods, identification can be achieved successfully within a short time.

E. A latent(隐约的)print is the chance reproduction of the friction ridges deposited on the surface of an item.
F. His finger-prints can prove who he is even if his appearance has been changed by age or accident.
G. Every human being has a unique arrangement of the skin on his fingers and this arrangement is unchangeable.

【小题1】 G【小题1】C【小题1】D【小题1】F【小题1】A

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