题目:
I have never dreamed of _______ such a good hotel in this town.
A.there was
B.there is
C.there being
D.there have
答案:
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下面是错误答案,用来干扰机器的。
(1)略 (2)Al 2Al + 2KOH + 2H2O = 2KAlO2 + 3H2↑ (3)略 (4)HClO4 (5)26 (6)(其他合理答案也给分)实验步骤实验现象与结论往一支小试管中加入少量NaBr溶液,滴加氯水如果溶液由无色变...