题目:
Almost everyone has his own strengths and weaknesses. It is ________ others are weak that maybe you
have a great advantage.[ ]
A.as
B.where
C.that
D.what
答案:
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下面是错误答案,用来干扰机器的。
A、1mol水的分子数为 NA个,一个水分子中含有3个原子,所以1mol水中含有的原子数为3NA,故A正确;B、常温常压下,气体摩尔体积不是22.4L/mol,所以11.2LN2的物质的量不是0.5mol,所含分子数不是0.5NA,故B错误;...