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    26．Research indicates that lung cancer smoking. A．contributes to B．results from C．attends to D．devotes to 【查看更多】

     

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    Research indicates that lung cancer ___ smoking.

     A．contributes to      B．results from       C．attends to        D．devotes to

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    Research indicates that lung cancer ___ smoking.

    A．contributes to       B．results from           C．attends to           D．devotes to

    查看答案和解析>>


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