单选题：How do we prove that the drugs have wiped out the remaining

题目分类：卫生类
题目类型：单选题
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题目内容：

How do we prove that the drugs have wiped out the remaining viruses? A．By using up all the drugs at once
B．By waiting for the virus to die slowly
C．By analyzing the treatment record thoroughly
D．By stopping the drugs and see if the virus comes back

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答案解析：

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分类：卫生类题型：单选题

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分类：卫生类题型：单选题