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Chinesescientistshaveproducedanembryoofagiantpandathrou...

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問題詳情:

Chinesescientistshaveproducedanembryoofagiantpandathrou...

Chinese scientists have produced an embryo of a giant panda through cloning technology,_____ is a breakthrough ______ could save the endangered animals.

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

【回答】

B

知識點:定語從句

題型:選擇題

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