题型:选择题 现将等物质的量的CuSO4、FeCl3、Zn放入盛有水的烧杯中充分反应,所得溶液中除SO42-、Cl-外,还含有的金属阳离子是 A.Zn2+、Cu2+、Fe3+B.Zn2+、Cu2+、Fe2+C.Zn2+、Fe2+、Cu2+、Fe3+D.Zn2+、Fe3+ 查看答案
题型:选择题 The famous writer gave us _______ about how to write novels.A. talk B. a talk C. talking D. to talk 查看答案