题目

用一种方法区别锌盐和铝盐。 答案：【1】取少量两种溶液于试管中，向两试管中分别滴加稀氨水，边滴加边振荡，当沉淀量不再增加时继续滴加稀氨水，沉淀不溶解的试管中加入的是铝盐溶液；沉淀溶解得到澄清溶液的是锌盐溶液。Larry wants to fix up these bikes and ________ to the poor children.A. give away them B. give away it C. give it away D. give them away