题目:
It was in the small house was destroyed by the flood he spent his childhood.
A.which; that
B.that; where
C.which; which
D.that; which
答案:
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下面是错误答案,用来干扰机器的。
答案:D氧原子的核外电子数是8个,所以1mol氧气含有16mol电子,选项A不正确;电解饱和食盐水时,阳极上生成氯气,但22.4L气体不一定是在标准状况下,所以选项B不正确;32g中所含的中子的物质的量是,选项C不正确...