阅读理解Everyhumanbeinghasaunique①arrange

阅读理解 Every human being has a unique① arrangement of the skin on his fingers and this arrangement is unchangeable. 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 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 original② pattern. It is only when the inner skin is injured that the arrangement will be destroyed. 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 by recorded easily. With special methods, identification③ can be achieved successfully within a short time. 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. His finger-prints can prove who he is even if his appearance has been changed by age or accident.When a suspect leaves finger-prints behind at the scene of a crime, they are difficult to detect with the naked eye. Special techniques are used to “develop” them. Some of the marks found are incomplete but identification is possible if a print of a quarter of an inch square can be obtained.Notes:① unique adj. 唯一的，独特的② original adj. 最初的，原始的③ identification n. 辩认，鉴定1.Scientists and experts have proved that the pattern of a human being’s finger skin ________.A.is similar to his mother’sB.is valuable to himself onlyC.is like that of others with the same type of bloodD.is different from that of all others2.If your fingers are wounded by knife, fire or other means, the structure of skin will ________.A.be changed partlyB.be replaced by a different oneC.be the same when the wound is recoveredD.become ugly3.Some criminals remove their own finger-prints by ________.A.using printer’s inkB.injuring the inner skinC.damaging the outer skinD.damaging the colour4.Finger-prints have often been used as a method of solving criminal case because it ________.A.is complicated but reliableB.is simple and not expensiveC.is expensive but easy to doD.can bring a lot of money

DCBB解析1.细节理解题。从第一段最后一句可知，人的指纹是独一无二的。2.推理判断题。从第二段第二句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.可以推断正确

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