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【题目】— I can’t stand swimming in cold rivers in winter.

— But it’s ______ for your health. You know I often swim in rivers in different seasons.

A.painfulB.harmfulC.helpfulD.careful

【答案】C

【解析】

句意:——冬天我受不了在寒冷的河里游泳。——但这对你的健康有帮助。你知道我经常在不同的季节在河里游泳。

考查形容词辨析。painful痛苦的;harmful有害的;helpful有帮助的;careful小心的;根据常识可知游泳有助于身体健康;故选C

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