题目

The weatherman has that it is going to rain tomorrow. A . told B . guessed C . said D . forecast 答案：D 下列各组物质稀溶液相互反应。无论前者滴入后者，还是后者滴入前者，反应现象都相同的是                                                  （      ） A．Ca(HCO3)2溶液与Ca(OH)2溶液       B．AlCl3溶液与NaOH溶液[ C．KAlO2溶液与KHSO4溶液            D．2%的硝酸银溶液和2%的氨水