摘要：2010年高考题1. Listening to loud music at rock concerts caused hearing loss in some teenagers. A. is B. are C. has D. have 答案:C 考点:主谓一致 解析:根据动名词短语作主语.句子的谓语动词用单数形式.由此排除B.D两项.根据主语与caused的主动关系.排除A项

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