2．For centuries，the body's blood has been linked closely with the emotions．People who show no human emotions or feelings，are said to be cold-blooded killer．For example，the police are searching for a cold-blooded killer．He seems to kill for no reason，and no emotion，as if taking someone's life as nothing．
Cold can affect other parts of the body．The expression"get cold feet"has nothing to do with cold or your feet．The expression means being afraid to do something you have decided to do．For example，you agree to be president of an organization．But then you learn that all the other officers have resigned，and all the work of the organization will be your responsibility．You are likely to get cold feet about being president when you understand the situation．
The expression"give someone the cold shoulder"probably comes from the physical act of turning your back toward someone，instead of speaking to him face to face．You may give a cold shoulder to a friend who has not kept a promise he made to you．Or，to someone who has lied about you to others．
A cold fish is not a fish．It is a person．But it is a person who is unfriendly，unemotional and shows no love or warmth．A cold fish does not offer much of himself to anyone．Someone who is a cold fish could be cold-hearted．Now a cold-hearted person is someone who has no sympathy．Several popular songs in recent years were about cold-hearted men or cold-hearted women who，without feelings，broke the hearts of their lovers．
Out in the cold means not getting something that everybody else got．A person might say that everybody but him got a pay raise---he was left out in the cold．And it is not a pleasant place to be．
28．When you refuse to speak to a man and treat him in a distant way，you may express by"A"．
A．I give him the cold shoulder B．I think he is a cold-blooded man
C．I think he is a cold fish D．I'm likely to get cold feet
29．If Sue shows absolutely no reaction to those awful pictures of starving children in Africa，you will sayC．
A．she is a cold-blooded killer B．she gets cold feet
C．she is a cold fish D．she is out in the cold
30．We can use the expression"D"to describe a man who abandons or hurts his lover without mercy．
A．cold-blooded B．cold shoulder
C．cold feetD．cold-hearted
31．The topic of this passage is aboutC．
A．the relationship between cold and our body
B．some expressions about friendship
C．some expressions connected with cold
D．how cold weather comes into being．
分析 文章介绍了cold这一词的用法，它在各个词组中有着不同含义，但大都表现了一些十分消极的情绪．
解答 28-31 ACDC
28题答案：A细节题．根据文章第三段"give someone the cold shoulder"probably comes from the physical act of turning your back toward someone，instead of speaking to him face to face．（give someone the cold shoulder有可能来自于你转身把你的背部对着别人而不是面对面讲话这一身体动作）．可知不与人直接谈话是give a cold shoulder，所以选A．
29题答案：C细节题．根据倒数第二段A cold fish is not a fish．It is a person．But it is a person who is unfriendly，and shows no love or warmth．（cold fish不是一条鱼，它指的是一个人--一个不友好、不显示出爱和温暖的人）．可知描述性格冷漠的人用a cold fish，所以选C．
30题答案：D细节题．根据倒数第二段Now a cold-hearted person is someone who has no sympathy…．without feelings，broke the hearts of their lovers．（一个心冷的人没有同情心…没有感觉，伤了他们爱人的心）．可知描述伤害他人心的人用cold-hearted，所以选D．
31题答案：C主旨大意题．文章主要介绍了一些和cold有关的短语，所以本题答案为C选项．
点评 本文是一篇科教类阅读，题目涉及多道细节理解题，做题时结合原文和题目有针对 性找出相关语句进行仔细分析，结合选项选出正确答案．推理判断也是要在抓住关键句子的基础上合理的分析才能得出正确的答案．
