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  3. According to the passage, the attempt to eradicate the AIDS virus How could we prove that the drugs have wiped out the remainin

According to the passage, the attempt to eradicate the AIDS virus How could we prove that the drugs have wiped out the remainin

admin2009-06-15  61
问题 According to the passage, the attempt to eradicate the AIDS virus
How could we prove that the drugs have wiped out the remaining viruses?
选项 A、By using up all the drugs at once.
B、By waiting for the virus to die slowly.
C、By asking the patients’ feeling about the disease.
D、By stopping the drags to see if the virus comes back.
答案D
解析 该题可直接借助常识判断答案D合理。也可以借助原文：利用题干中的核心短语“wiped out”作为答案线索，发现答案相关句：He has calculated that the drugs should be able to wipe out remaining viruses—at least from known reservoirs(储主)throughout the body—two to three years，But the only way to prove eradication(与wiped out是近义词)would be to stop the drugs and see if the virus comes back．该句说“证明是否彻底消灭了病毒的惟一方法就是观察停药后病毒是否会卷土重来。”因此D是答案。 wipe out v．消灭，垮台
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