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    Science has given clear evidence ______ smoking can lead to many diseases.

    A. what         B. which         C. that           D. where

     

    【答案】

    C

    【解析】

    试题分析：考查同位语从句。句意：科学已经给出明确的证据，吸烟能够导致很多种疾病。分析句子可知evidence后面从句是解释说明evidence内容的同位语从句，从句结构完整不缺少成分，所以用that引导。正确答案选C。

    考点：考查同位语从句。

     

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    阅读理解

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    (1)

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    [　　]

    A．

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    B．

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    C．

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    D．

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    [　　]

    A．

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    B．

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    D．

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    [　　]

    A．

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    B．

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    C．

    most animals are able to laugh but need to be trained first

    D．

    human beings have now fully understood animals’ behaviors

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