题目内容
Many animals sleep a lot when young, but sleep much less when they get older, just
is the case with human being.
A.as B.which C.what D.it
A
解析:
略
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题目内容
Many animals sleep a lot when young, but sleep much less when they get older, just
is the case with human being.
A.as B.which C.what D.it
A
略