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标题: OG10th-107 哪位高手帮我用lawyer分析下啊 [打印本页]

作者: xiaoxiaomi 时间: 2011-3-29 22:44
标题: OG10th-107 哪位高手帮我用lawyer分析下啊

102. Although migraine headaches are believed to be caused by food allergies, putting patients on diets that eliminate those foods to which the patients have been demonstrated to have allergic migraine reactions frequently does not stop headaches. Obviously, some other cause of migraine headaches besides food allergies much exist.

Which of the following, if true, would most weaken the conclusion above?

(A) Many common foods elicit an allergic response only after several days, making it very difficult to observe links between specific foods patients eat and headaches they develop.

(B) Food allergies affect many people who never develop the symptom of migraine headaches.

(C) Many patients report that the foods that cause them migraine headaches are among the foods that they most enjoy eating.

(D) Very few patients have allergic migraine reactions as children live migraine-free adult lives once they have eliminated from their diets foods to which they have been demonstrated to be allergic.A

(E) Very rarely do food allergies cause patients to suffer a symptom more severe than that of migraine headaches.

题目贴在这里啦，大家帮帮忙啊

作者: sdcar2010 时间: 2011-3-30 06:07
Premises: Since migraine headaches are believed to be caused by food allergies, remove the food a patient are allegic to would stop the headaches. But it did not.

Conclusion: Based on these fact, the author says somthing else must cause migraine headaches.

A weakening-type question can have many potential solutions.

If you read the stimulus carefully, you would be drawn to the following statement "eliminate those foods to which the patients have been demonstrated to have allergic migraine reactions." If you do not know which food causes the allergice migraine reaction, you might not be able to eliminate the true cause of the headache.

Answer Choice A points out this aspect to weaken the argument in the stimulus. Thus, A is the correct answer.

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