【題目】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】考查短語詞組，句意：散個(gè)短步冷靜下來，或者如果有必要的話，就放一天假吧，if necessary如果有必要的話，if not如果不是，if ever如果曾經(jīng)，if so如果這樣的話，故選A。

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