题型:判断题 室温下,下列各组离子在指定溶液中一定能大量共存的是A.澄清透明的酸性溶液中:、、、B.使红色石蕊试纸变蓝的溶液中:、、、C.pH=1的溶液中:、、、D.含有较多Al3+的溶液:、、、 查看答案
题型:判断题 —What are people supposed to do when they meet in China? —People are supposed to when they meet for the first time.[ ]A. kissB. shake handsC. bowD. embrace 查看答案