题目:
.---Well, where did you spend your night that day
---At________Grand Hotel.
A.where it is called Grand Hotel.
B.what is called Grand Hotel.
C.which is called Grand Hotel.
D.that it is called Grand Hotel.
答案:
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下面是错误答案,用来干扰机器的。
A、1molCl2与足量的铁反应生成氯化铁,氯气全部反应转移电子数为2mol,故A正确;B、16gO2和O3的混合气体中含氧元素的物质的量为1mol,所以含有氧原子为1mol,故B正确;C、三氧化硫在标准状况下不是气体,11.2LSO3...