【題目】When you play sport, you need to guard ______ accidents.

A. over B. against C. with D. at

【答案】B

【解析】

試題分析:句意:當(dāng)你做運(yùn)動(dòng)的時(shí)候,你需要防止事故。A.guard over守衛(wèi);B.guard against警戒; 避免;提防; C.guard with 守護(hù);D.guard at守望。做運(yùn)動(dòng)時(shí),防止事故發(fā)生,故選B。

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