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新GRE阅读练习题（13）

发布时间：2016-03-01 编辑：查字典英语网小编

　　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。

　　People whose bodies cannot produce the substance cytochrome P450 are three times as likely to develop Parkinson s disease, a disease that affects the brain, as are people whose bodies do produce this substance.Since cytochrome P450 protects the brain from toxic chemicals, toxic chemicals probably play a role in the development of Parkinson s disease.

　　Which of the following, if true, most strongly supports the argument?

　　It will soon be possible for cytochrome P450 to be synthesized for the treatment of people whose bodies cannot produce this substance.

　　Many people whose bodies are unable to produce cytochrome P450 lack the ability to produce certain other substances as well.

　　Cytochrome P450 has no effect on the brain other than to protect it from toxic chemicals.

　　People with Parkinson s disease often exhibit a marked lessening in the severity of their symp-toms when they are treated with dopamine, a chemical produced naturally in the brain.

　　Many people with Parkinson s disease have the ability to produce cytochrome P450 naturally.

　　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!

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