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China has in producing clones of cows and goats, and continues to research ways

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China has in producing clones of cows and goats, and continues to research ways

China has         inproducing clones of cows and goats, and continues to research ways           _______can benefit mankind.

A. resulted ; that    B. succeeded ; /

C. succeeded ; that   D. resulted ; in which

 

试题答案

【答案】

A

【解析】

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