3. 【答案】C 本题考查的也是考生对细节的把握，答案对应于第三段第一句：Research has also been done into the way people’s behavior changes in a number of small, apparently unimportant ways when they lie. 同样有研究侧重于当人们说谎时他们行为的一些细小的，明显的不重要的改变，很容易看出答案C与该句符合。

　　4. 【答案】B 本题考查的也是考生对细节的把握，答案对应于第三段最后一句：The tip of the nose is very sensitive to such changes and the increased pressures make it itch. 鼻尖对这样的变化非常敏感，血压的增加使得它发痒，即与B选项吻合。

　　5. 【答案】D 此题考查的是考生对整篇短文的观点的理解。文章首先讲到男人女人说谎的不同，而后又分析说谎时人们行为方式的变化等等，所以说文章是在分析说谎。其他选项错误。

　　三 文章长难句分析与佳句赏析

　　1．In fact, you are not short of money but your friend is in the habit of not paying his debt and you don’t want to hurt his feelings by reminding him of this. 实际上，你并不缺钱，但是你的这位朋友却有欠钱不还的习惯而你又不想通过提醒他这点而伤害他的感情。句子结构分析：you are not short of…but your friend is in the habit of…and you don’t want to…by…；short of…缺乏…；in the habit of…养成…习惯；pay one`s deb还…的债；remind sb of…提醒某人使想起…。

　　2．He says there are several typical forms of this, such as covering part of the mouth with the fingers, touching the upper-lip or putting a finger of the hand at one side of the mouth. 他说有几种动作形式，例如用手指掩一部分嘴，摸上嘴唇或者一个手指支在嘴角。句子结构分析：He says there are several typical forms of this, such as…；cover…with…用…遮盖。

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