题目

By the end of next year, many new buildings          . A．will build                                                    B．will have built C．had been built                              D．will have been built 答案：D对下列物质性质的描述中错误的是（ ）A．AgCl是白色固体不溶于硝酸B．无水CuSO4是蓝色固体能溶于水C．CuO是黑色固体能溶于盐酸D．Fe（OH）3是红褐色固体不溶于水