新GRE阅读练习题（22）

　　编辑点评： 新GRE阅读考试考察大家的方面较多，除了大家需要拥有一定的词汇量以外，还需大家在解题的时候能够迅速了解出题者的意图，这就需要大家充分发挥自己的逻辑理解能力和推理能力，大家可以利用下文的新GRE阅读短文练习进行练习。

　　Drug companies lose money when manufacturing drugs that cure those suffering from rare diseases because selling a drug to only a few people usually does not recoup manufacturing expenses.Therefore, a company manufacturing any of the drugs that cure those suffering from loxemia, an extremely rare disease, will undoubtedly lose money.

　　Which of the following, if true, most seriously weakens the conclusion above?

　　Several drugs that cure those suffering from loxemia also cure those suffering from very common illnesses.

　　Most of those who contract loxemia also con-tract another illness concurrently.

　　Most of the drug companies that manufacture drugs that cure rare diseases do not manufac-ture drugs that cure loxemia.

　　A sizable number of people are afflicted with one or another rare disease even though each rare disease afflicts only a small number of people.

　　The larger the amount of a drug that is manu-factured, the lower the manufacturing expense for each unit of the drug that is produced.

　　答案：C

　　以上的内容供大家练习，大家平时也要多做些阅读真题，相信日积月累，你的GRE阅读分数也会马上得到提高!