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答案有疑问feifei-24

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楼主
发表于 2005-7-3 11:05:00 | 只看该作者

答案有疑问feifei-135-24

24. The interstitial nucleus, a sub-region of the brain’s hypothalamus, is typically smaller for male cats than for female cats. A neurobiologist performed autopsies on male cats who died from disease X, a disease affecting no more than .05 percent of male cats, and found that these male cats had interstitial nuclei that were as large as those generally found in female cats. Thus, the size of the interstitial nucleus determines whether or not male cats can contract disease X.



Which one of the following statements, if true, most seriously weakens the argument?



A.        No female cats have been known to contract disease X, which is a subtype of disease Y.


B.        Many male cats that contract disease X also contract disease Z, the cause of which is unknown.


C.        the interstitial nuclei of female cats who contact disease X are larger than those of female cats who do not contract disease X.


D.       Of 1,000 autopsies on male cats that did not contract disease X, 5 revealed interstitial nuclei larger than those of the average male cat.


E.        The hypothalamus is known not to be causally linked to disease Y, and disease X is a subtype of disease Y.



答案为E,但原文ARGUMENT是谈论THE SEZE问题,E应该是无关的.D更好相比较

沙发
发表于 2005-7-3 14:33:00 | 只看该作者
我也同意你的意见,通过小概率也可以来weaken了。不过这个题目,og里面好想也有吧,答案是E
板凳
 楼主| 发表于 2005-7-3 15:48:00 | 只看该作者

谢谢

地板
发表于 2005-7-4 16:42:00 | 只看该作者

E is the key.


The reasoning behind the stem implies that there is a causation between the size of interstitial nucleus and disease X.


Option E exactly cuts off the link.

5#
发表于 2005-7-5 02:15:00 | 只看该作者

D five exceptional cases in normal cats cannot disprove the link between disease and the size within the effected group. obverall, this is a question shifting the comparison basis.


E prefect,  if having no link with the majority, it must be the same with any sub-group within it.

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