题目

 Smoking is not allowed in public places since May 1st. It may be a good chance for some people to ______ smoking.     A. put up           B. give up      C. pick up      D. look up 答案：B 词组辨析。本句句意：也许这是人们放弃吸烟的好机会。put up意为“搭起”，give up意为“放弃”，pick up意为“捡起”，look up意为“查询”，只有give up符合句意。

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