题目内容
6．（36）G 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． （37）C 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． （38）D 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． （39）FWhen a suspect leaves finger-prints behind at the scene of a crime，they are difficult to detect（察觉） with the naked eye． （40 ）A 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（潜在的） 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．
分析 文章是在说明人的指纹是具有唯一性的，随着人的成长，年龄变老，表皮受伤等都不会改变一个人的指纹，正是利用了这一点有破获了很多的案子，犯罪分子是抵赖不得的，即使只有一小部分也可以通过技术手段绘出人的指纹，但是如果是刀伤，烧毁就无法显示指纹了，但这是很危险的
解答 36．G．考查上下句的衔接．下文的意思是：科学家和专家已经证明了指纹的独特性，从父母到孩子他们的指纹是不可能完全相似的．所以G选项是正确的，Every human being has a unique arrangement of the skin on his fingers and this arrangement is unchangeable．意思是：每一个人手指上的皮肤都有着独特的安排，这种安排是不可改变的，与下文的指纹的独特性就形成一致了．
37．C．考查上下句的衔接．Some criminals make use of this fact to remove their own finger-prints but this is a dangerous and rare step to take．一些犯罪分子利用了这个事实去改变他们的指纹，但是这是很危险的，也没有措施去采取．所以上文应说明这个事实，故答案应为C．It is only when the inner skin is injured that the arrangement will be destroyed．只有在深层皮肤被伤的时候，这种指纹的安排才会改变，这是犯罪分子所知道的事实．
38．D．考查上下句的衔接．Finger-prints can be made very easily with printer's ink．They can be recorded easily． Because of the simplicity and economy of this system，finger-prints have often been used as a method of solving criminal case．指纹能够很容易的用墨水制作出来，也能够很容易的被记录下来，因为这种便捷而又经济的方法，指纹已经被经常用来解决犯罪问题了．所以答案为D，意思是：用独特的方法，鉴定在很短的时间内就能被成功的完成．与下文的破案形成衔接．
39．F．考查上下句的衔接．A suspected man may deny a charge but this may be in vain． ．一个犯罪嫌疑人也许会否认对他的控诉，但这是徒劳的，下文的第四个空解释了徒劳的原因，故答案应为F，意思是：他的指纹能证明他是谁，尽管经过年龄或者是事故他们的面貌改变了．故答案应为F．
40．A．考查上下句的衔接．When a suspect leaves finger-prints behind at the scene of a crime，they are difficult to detect with the naked eye． Some of the marks found are incomplete but identification is possible if a print of a quarter of an inch square can be obtained．当一个犯罪嫌疑人在作案现场留下指纹时，他们是很难用肉眼看到的，第五个空之后的意思是：但是如果在一个很小的地方，就算是有四分之一的指纹能被取得的话，鉴定身份也是有可能的．所以答案应为A．用肉眼看不到并且非常小的指纹通过特殊的手段也能把他们还原出来（发展出来）故答案应为A．
点评 七选五阅读是完成性阅读，和完形填空很类似，不同的是一个选词，一个选句子．解题时，要注意上下文语境，充分考虑信息词（选项中和空格前后句子中相同或相近的词），选出最符合语境的句子．
