题目内容
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[主观题]
The 1990s saw the birth of the famous sheep () (the first mammal produced from a donor cell taken from an adult rather than from an embryo).
The 1990s saw the birth of the famous sheep () (the first mammal produced from a donor cell taken from an adult rather than from an embryo).
A.Dolly
B.Molly
C.Folly
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