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【题目】It’s important _______ us _______ before we exercise.

A. of, to warm up B. for, warming up C. for, to warm up

【答案】C

【解析】

句意:锻炼前热身对我们来说很重要。考查固定句型。根据It’s important ___ us ___ before we exercise.可知,本题考查固定句型“It’s+形容词+for sb.to do sth.”意思是“对某人来说做某事…”,其中it是形式主语,真正的主语是后面的动词不定式,故答案选C。

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