题目内容

10.As we all know,regular exercise can be _____to health.(  )
A.suitableB.harmfulC.absentD.beneficial

分析 众所周知,定期锻炼对健康有益.

解答 答案是D.本题考查形容词词义辨析.suitable合适的,常常用be suitable for表示"适合…"; harmful有害的,be harmful to 对…有害的;absent缺席的,be absent form缺席…;beneficial有益的,be beneficial to对…有益的;根据句意和常识判断,定期锻炼"对健康有益",所以答案选择D.

点评 辨析形容词要在识记常见形容词及其搭配的基础上理解语境,根据具体语境推断合理的答案.

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