题型:问答题 简答题 Some great people said that it was their primary school teachers and their lessons ______ they were fond of ______ influenced their whole lives.A. which; that B. that; which C. which; which D. that; that 查看答案
题型:问答题 简答题 对以下实验装置图的说法正确的是A.利用图①装置做喷泉实验 B.利用图②装置吸收尾气SO2C.利用图③装置进行胶体电泳实验可以说明Fe(OH)3胶体带正电荷D.利用图④装置用MnO2和浓盐酸制备并收集Cl2 查看答案