A:地面发生镜面反射
B:地面发生漫反射
C:水面发生漫反射
D:水面不发生反射
读“甲、乙两国工业分布示意图”,完成下题
The magic show has been on 20 minutes. It has been on 2.p.m.
①H2SO4(aq)+2NaOH(aq)═Na2SO4(aq)+2H2O(l)
②H2SO4(aq)+Ba(OH)2(aq)═BaSO4(s)+2H2O(l)
③HCl(aq)+NH3•H2O(aq)═NH4Cl(aq)+H2O(l)
④CH3COOH(aq)+NH3•H2O(aq)═CH3COONH4(aq)+H2O(l)