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    5．Do you know that          with wise men improves your mind？（　　）
    A．chatB．ChatsC．chattedD．chatting

    分析 你知道与有智慧的人聊天会提高你的智力吗？

    解答 答案是D．本题考查动名词做主语．题干含that引导的宾语从句，宾语从句中谓语动词improve前的"chat with wise man"充当主语；A和B都是谓语动词形式，不能做主语；C项无论是过去式还是过去分词都不能做主语，所以排除A、B和C；本题用动名词chatting做主语，所以答案选择D．

    点评 对于非谓语动词的选择，首先要根据句子的结构判断句中缺少的是谓语动词还是非谓语动词；如果是非谓语动词，在理解非谓语动词的基本用法的基础上再根据句子的结构做出判断．

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