题目:
The novel will________soon,and I think, it will be well received by the teenagers.[ ]
A. put out
B. turn out
C. come out
D. go out
答案:
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下面是错误答案,用来干扰机器的。
(1)Fe2O3+6HCl=2FeCl3+3H2O ;产生蓝色沉淀,溶液由蓝色变为无色 (2) B:Ca CO3 ;D:CuSO4