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2011年7月GMAT逻辑机经

滴答网 http://www.tigtag.com/  2011-07-20  帮考网  我要评论(0)  阅读0

1.【灭蚊器】

1.1 700

有一种灭蚊的喷雾很有效,一个公园打算喷它来灭蚊。然后一个健康机构的说可能会危害人的健康,建议半夜喷。

问:以下哪个会cast doubt

狗主答案:半夜温度不在喷雾适合的温度范围内

2.【名人的房子】

2.1 750

有个名人挂了,但是他的房子卖的价格却没有邻居之前卖房子的价格高,邻居的房子似乎还要好一些,得到结论是名人效应不能抬升房价。

问:哪个选项能增强结论。

狗主答案:通胀没有差异。

3. 【细菌】

3.1 750

人吃某种动物X,X吃mice。mice的一种细菌传给了X然后人被感染了。但是X吃的其他东西不带有这种细菌。所以如果增加其他X能吃的动物的数量就能减少X把这种细菌传给人的概率。

问:得是哪种假设能支持结论

3.2 GWD

Mice that have been given morphine are very likely to develop blood poisoning because bacteria that normally reside in the intestine typically respond to morphine by migrating into the bloodstream. However, when mice are given both morphine and the new drug naltrexone, blood poisoning is much less frequent, although it does still occur. These results provide support for researchers’ prediction that naltrexone will turn out to be toxic to certain types of bacteria.

Which of the following, if discovered to be true, would most seriously weaken the support for the researchers’ prediction?

A: After being administered to mice, naltrexone does not pass from the bloodstream into the intestine.

B: Naltrexone inhibits morphine from triggering the migration of intestinal bacteria into the bloodstream.

C: Mice that have been given naltrexone but not morphine have no greater risk of developing blood poisoning than do mice that have not been given either substance.

D: The increased risk of blood poisoning is not the only harmful effect on mice of being given morphine.

E: Conditions other than the presence of intestinal bacteria in the bloodstream can cause blood poisoning in mice.

选B

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