判断题

谈判和体育比赛一样，赢了就是赢了，输了就是输了。

答案：错误

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Manyfactors can limit the ability of natural selection to causeevolutionary change, including____
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C、pleiotropy.
D、Allthe choices are correct.

单项选择题

判断A向局部视图是否正确。
A.
正确 B.
错误