It is( )knowledge that water freezes at 0℃.

It is( )knowledge that water freezes at 0℃.


A、

ordinary


B、

normal


C、

usual


D、

common


【正确答案】:D
【题目解析】:

A.ordinary:普通的;B.normal:正常的;C.usual:平常的;D.common:常见的,普通的;common knowledge:常识,选D。句意:众所周知,水在0℃结冰。


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