It is believed by scientists that traditional med

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It is believed by scientists that traditional medicines______.

A. can cure all kinds of diseases

B. may cure some of today’s most serious diseases

C. are no longer useful for modem men

D. are too cheap to be useful

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  • 答案:B

    第四段最后一句提供了本问题的答案,两处除了句子结构不同以外,文字完全相同。其他三个选项的内容短文都没有提及,根据常识判断也可以知道它们不是正确答案。