a small dose of widely used tranquilizer allows people to lie during lie detector tests without being discovered. the stress responses that lie detector tests measure can be inhibited by the drug without noticeable side effects. one of the implications of this factr is that the drug can also be effective in reducing stress in everyday situations. an assumption of the passage is that
a. tranquilizers are always an effective treatment for stress
c. stress as measured by a lie detector is similar to everyday stress
Some scientists believe that carbon dioxide-induced global warming may increase the number of hurricanes in the future and their severity.
关于上文，有人可能会做出这么一个推论：
All of this seasons severe hurricanes were caused by global warming.
这句话超出了原文的范围。原文没有这么强的语气。再看下面一个推论：
Some of this seasons storms may have been caused and exacerbated by global warming.
这个推论和原文相符，因为它在原文的范围之内。
一般说来always， never， 等这些词语气太强。在GMAT中，一般不会出现这些极端的语言，也就是说，假如某个选项中包含这些词应该首先排除它。 而包含如usually， sometimes， probably这些词的选项则更有可能是正确选项。. 策略： 假如问题问which of the following is NOT an assumption of the argument 或者 which of the following does NOT describe an argument made in the passage above， 正确的答案经常是那些带有极端词汇的选项。
1. all----not all/some---none/always----not always/sometimes----never/everywhere---not everywhere/somewhere---nowhere/only one, exactly one---none, more than one/at least one, some---none
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发表于 2010-3-2 21:17:18
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