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    Never form the habit of smoking because it human beings. A. is harmful with B. does harm to C. is harm for D. does harmful to [解析]选B.harm是名词或动词.do harm to对--有害,harmful是形容词,be harmful to对--有害. 【查看更多】

     

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    Never form the habit of smoking because it ______ human beings.

    A. does harm with    B. is harmful to     C. is harm for  D. does harmful to

     

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    Never form the habit of smoking because it ________ human beings．

    [　　]
    A．

    is harmful with

    B．

    does harm to

    C．

    is harm for

    D．

    does harmful to

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    Never form the habit of smoking because it ________ human beings．

    [　　]
    A．

    does harm with

    B．

    is harmful to

    C．

    is harm for

    D．

    does harmful to

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