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    精英家教网 > 高中英语 > 题目详情
    ________ is as much an art as it is ________ science.
    A．Cloning; aB．Clone; / C．To clone; the D．Cloning; the
    A

    第一空考查动名词做主语，第二空填a表示泛指：一门科学，句意是：克隆即是艺术又是科学。选A。
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