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【题目】Take short walks to calm down, or, _________, simply take a day off.

A. if necessary B. if not

C. if ever D. if so

【答案】A

【解析】考查短语词组,句意:散个短步冷静下来,或者如果有必要的话,就放一天假吧,if necessary如果有必要的话,if not如果不是,if ever如果曾经,if so如果这样的话,故选A。

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