— I did it again. I slept until noon . — ________through the alarm seems to be your biggest problem. A. Asleep B. To sleep C. To be asleep D. Sleeping 答案:D根据溶解度曲线回答问题.(1)溶解度随温度升高而增大的物质是 .(2)t2℃时,溶解度相等的是 .(3)t2℃时,100 g水中加入20 g a物质,溶液不饱和,为使其饱和,可再加入a物质g,或使其温度降到℃.