gmat 逻辑至尊难题4

Energy

6.    Advertisement: For sinus pain, three out of four hospitals give their patients Novex. So when you want the most effective painkiller for sinus pain, Novex is the one to choose.
Which of the following, if true, most seriously undermines the advertisement’s argument?
(A) Some competing brands of painkillers are intended to reduce other kinds of pain in addition to sinus pain.
(B) Many hospitals that do not usually use Novex will do so for those patients who cannot tolerate the drug the hospitals usually use.
(C) Many drug manufacturers increase sales of their products to hospitals by selling these products to the hospitals at the lowest price the manufacturers can afford.
(D) Unlike some competing brands of painkillers, Novex is available from pharmacies without a doctor’s prescription.
(E) In clinical trials Novex has been found more effective than competing brands of painkillers that have been on the market longer than Novex.
the key is D,WHY

番茄炒蛋

嗨，呵呵，这题你大概没看清题意吧
广告说某某咚咚很好，因为很多人用
可实际上并不一定是这样，不能因为用的人多就得出这个咚咚很好的结论。
只是因为这种药的管制少，容易买到罢了，这就是一个很好的削弱了
嗯，这个也是海蓝要的充分题的例子吧

Energy

但是要是HOSPITAL给的难道HOSPITAL没有权威吗
另外海蓝充分题是什么？

番茄炒蛋

可能医院考虑的就是病人在哪里可以买到药吧，所以就开最容易买到的药而并不一定是最有效的药，就象我们的青霉素，不是人人都可以打的，却是很有效
海蓝前面问过一个这样的例子，我是给她看的，呵呵，有空你也可以看看她以前的一个帖子