题目

________ thirty minutes earlier, you would have seen the beautiful rosy dawn. A . If you got up B . Had you got up C . Were you to get up D . If you should get up 答案：B下列各操作中，一定能使不饱和溶液变为饱和溶液的是（ ）A．对该溶液进行降温B．对该溶液进行升温C．继续向不饱和溶液中添加溶质D．向该溶液中加入比其浓的溶液