题目

依据归纳和分类方法,分析下面化学反应中属于同一基本反应类型的是 (   ) ①2H2O2          2H2O+O2↑             ②Fe2O3+3CO2Fe+3CO2 ③KBr+Cl2=2KCl+Br2             ④CaCO3+CO2+H2O=Ca(HCO3)2 ⑤H2+CuOCu+H2O             ⑥Cu(OH)2+H2SO4=CuSO4+2H2O A. ②⑤       B.③⑤      C.①②⑤      D.②④⑥Which of the following sentences is right?A.May I ask you some questions?B.He hasn't finish the project already.C.He isn't able to read and write.D.Is there something interesting in today's newspaper?
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