is as much an art as it is science.A. Cloning; aB. Clone; / C. To clone; the D. Cloning

发布时间：2020-08-16 19:33:29

     is as much an art as it is      science.
A. Cloning; a
B. Clone; /
C. To clone; the
D. Cloning; the

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(答案→)A. Cloning; a
B. Clone; /
C. To clone; the
D. Cloning; the
解析：
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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