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----Drinking is harmful_______our health.
A.toB.beC.withD.at
A

试题分析:考查介词:句意:喝酒对我们的健康有害吗?词组“be harmful to”对…有害。选A。
点评:介词的考查重在积累。解题技巧:  1)明确词意  所选答案要符合句子意思;2)归纳比较平时要特别重视收集归纳比较同义词、近义词和相似词的异同,牢记它们的用法。
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