问题 单项选择题

在一项病例对照研究中,计算出某研究因素与疾病关联强度,OR值的95%置信区间为0.55~0.80,请问该因素可能为

A.混杂因素

B.危险因素

C.保护因素

D.无关因素

E.以上都不是

答案

参考答案:C

选择题
翻译题

完成句子。

1. The first time I went to visit him, he (碰巧在聊天) with a nerghbour.(happen)

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2. Hardly (她一走进) her office when she felt faint and had to lie down.(enter)

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3. (被群山环绕),the beautiful village attracts a large number of tourists each year.(surround)

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4. They were all for your suggestion that the discussion (推迟) until next weekend.(put)

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5. If the government (采取了措施) to keep viewers from possible harmful influences of media last

   year, the crime rate would be lower now.(measure)

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6. The newly-built airport of the city is (两倍大) what it used to be.(size)

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7. A number of new machines were installed in the factory, thus (导致增长) in production.(result)

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8. (给我印象最深的) is that he constantly wishes to improve himself in terms of knowledge

     and skill.(impress)

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9. The laws (已经修订) to protect the rights of women and children recently.(revise)

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10. I'll go back to the village (把我养大的) and live there forever after retirement.(bring)

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