2012年职称英语卫生类阅读理解原文模拟卷9_第2页

　练习：
　　 1. What effect does nevirapine have?
　　 A It is a broad-spectrum antibiotic and kills all kinds of bacteria.
　　 B It is an antiviral preparation and kills all kinds of viruses.
　　 C It prevents the transmission of the AIDS virus and protects one from heart attack.
　　 D It may prevent passing HIV infection from mothers on to their newborns during delivery.
　　 2. Why does HIV resistance against nevirapine build very quickly even when the drug is used alone just once?
　　 A Because the drug is not strong enough to kill all of the HIV in the body.
　　 B Because there may not be a susceptibility test before using the drug.
　　 C Because other drugs are not present to kill the virus particles that survive nevirapine.
　　 D Because there are too many mutations of HIV for nevirapine to deal with.
　　 3. When may a woman start her nevirapine-based treatment if she gets the single dose of nevirapine at delivery ?
　　 A She may start nevirapine-based treatment soon after her delivery.
　　 B She may start nevirapine-based treatment within six months after her delivery.
　　 C She has to wait at least six months after that nevirapine exposure.
　　 D She may wait several years so as to achieve the best effect.
　　 4. We may learn from this passage that HIV resistance against nevirapine
　　 A lasts only for about a half year and fades quickly.
　　 B will last forever in a woman who took nevirapine.
　　 C is a terrible drug that must be banned at once.
　　 D is a problem too difficult to be solved.
　　 5. Generally speaking, the author's attitude towards the use of nevirapine is
　　 A negative
　　 B positive
　　 C uncertain
　　 D doubtful
　　答案与题解：
　　 1．D 第一段第一句及第二段第二句均提到nevirapine可以防止母亲在分娩时将HIV病毒传染给新生儿的问题，故D项是正确答案。
　　 2．C 第三段第一句说，即使单独使用nevirapine一次，HIV病毒也会很快产生对nevirapine的抗药性，原因就是没有其他药物可以杀死nevirapine还没有杀死的病毒颗粒，这正是C项的内容。
　　 3．C 第四段第二句说到，等待的时间最短可到六个月，第五段第一句又说，最少等待六个月的妇女，她们以nevirapine为主的药物综合治疗的疗效要比等待不足六个月的妇女高70％，可见C项“最少要等待六个月”是正确答案。
　　 4．A 第一段第三句说到抗药性存在的时间并不长，第四段第二句又说等待的时间可以短至六个月，另外，文章的标题也说抗药性很快消失，可见A项是正确选项，其他各项文章均未提及。
　　 5．B 第一段是文章的提要，最能说明作者观点，其中最后一句就明确提到，已经服用 nevirapine的已感染上HIV的母亲们不应该放弃服用这种能用得起的药物。而且通篇文章都在探讨如何更有效地利用此药物，因此作者对使用此药的态度应该是“积极的、肯定的”。
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