大全一道逻辑题求助

adasuying2004 · 发表于 2011-6-9 11:30:06

大全-20-14. Advertisement: Of the many over-the-counter medications marketed for the relief of sinus headache. SineEase costs the least per dose. And SineEase is as effective per dose as the most effective of those other medications. So for relief from sinus headaches, SineEase is the best buy.
Which of the following, if true, most seriously weakens the argument above?
(A) Most of the over-the-counter medications marketed for the relief of sinus headache are equally effective per dose in providing such relief.
(B) Many of the over-the-counter medications marketed for the relief of sinus headache contain the same active ingredient as SineEase.
(C) People who suffer from frequent sinus headaches are strongly advised to consult a doctor before taking any over-the-counter medication.
(D) An over-the-counter medication that is marketed for the relief of symptoms of head cold is identical in composition to SineEase but costs less per dose.
(E) The per dose price for any given over-the-counter medication marketed for the relief of sinus headache is higher for smaller packages than it is for larger packages.

答案选D。请求高手指导！！！

mudiduange · 发表于 2011-6-9 11:45:50

这题让我想起GWD讲的一道类似的题。
An over-the-counter medication that is marketed for the relief of symptoms of head cold is identical in composition to SineEase。表明这种药和s药成分是相似的。

costs less per dose直接驳斥结论，表明还有更好的选择

大全一道逻辑题求助

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