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标题: og--102的一个选项 [打印本页]

作者: irenelj78 时间: 2004-6-28 12:14
标题: og--102的一个选项
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.

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

谁能给我说一下d答案是啥意思啊，句子成分是怎样的，我觉得有好多谓语阿？我读不懂句子

作者: fair_sword 时间: 2004-6-29 00:43

Very few patients have allergic migraine reactions as children and then live migraine-free adult lives once they have eliminated from their diets foods to which they have been demonstrated to be allergic

书上有个and the

作者: irenelj78 时间: 2004-6-29 09:08
thanks

作者: oookk 时间: 2005-5-13 17:06
请教，为何不能选B？

作者: zhoushao 时间: 2005-5-13 23:09

OG说B并没有解释why restricting one's diet dose not stop migraines

而若是能解释，就可能削弱了结论

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