单项选择题

Countless sheep can be cloned from one fetal cell.

A． Right
B． Wrong
C． Doesn't say
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单项选择题
Dolly is exactly the same as an ordinary lamb.
A． Right
B． Wrong
C． Doesn't say
单项选择题
Further study should be made about the age of clones.
A． Right
B． Wrong
C． Doesn't say
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