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  3. Advertisement: For sinus pain, three out of four hospitals give their patients Novex. So when you want the most effective painki

Advertisement: For sinus pain, three out of four hospitals give their patients Novex. So when you want the most effective painki

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问题 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?
选项 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.
答案D
解析 本题难度相对较大，是一个典型的“由一个事实得出一个解释性的结论”的“B，A”型，反对多用有其他原因。为什么对于窦头痛，四家医院中有三家会给病人用Novex呢?可能会有许多原因，如Novex有效；Novex很容易购买到；Novex的广告力度相当大以致于使许多病人要求医生开Novex药等等，但上述推理暗含是：仅仅因为有效，所以四家医院中有三家给病人用Novex。(D)指出Novex不需医生处方就可得到指出了有效以外的其他原因，因此对上述推理起到了反对作用，所以(D)正确.(A)讨论的只是竞争者，与Novex无关；(B)中的“for those patients who．．．”说的是对于某类特殊病的处理情况，用局部来代替全部病人往往需要作出一个假设，所以(B)起不到任何作用；(C)中的“products”可能包含Novex，也可能不包含Novex，因此什么作用也起不到；(E)只表明了Novex比某类药有效的情况，但并未表明Novex是否比同类药都有效，所以也起不到任何作用，请大家注意(B)中的定语从句。
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