2. 外语
  3. Researchers at the University of Toronto believe that The investigators say that

Researchers at the University of Toronto believe that The investigators say that

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问题 Researchers at the University of Toronto believe that
The investigators say that
选项 A、67 patients out of 100 in every American hospital die from ADRs each year.
B、67 patients out of 100 in every American hospital experience an ADR each year.
C、6.7% of all hospitalized patients in America experience ADRs each year on average.
D、6.7% of all hospitalized patients in Canada experience ADRs each year on average.
答案C
解析 文章第四段的第一句话说到调查者的研究结果发现，在美国每年平均有6.7%的住院病人经历过ADR。这是一个平均数，只有C项才符合题意。
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