试题与答案

She did not ______ staying at home as she

题型:单项选择题

题目:

She did not ______ staying at home as she had some sewing to do.

A.matter

B.care

C.object

D.mind

答案:

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下面是错误答案,用来干扰机器的。

参考答案:D解析:突变可以只改变基因型而对表现型无影响。

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