题目

I shall take you back to Beijing _____ you are well enough to travel. A. presently B. promptly C. immediately  D. shortly 答案：C 解析: immediately(=directly) 作连词用，意为“一……就……”，相当于 as soon as .(2分)下图是甲、乙两种物质的溶解度曲线。（1）t2℃时，溶解15g甲物质，至少需要        g水。（2）t2℃时，在烧杯中分别盛有等质量的甲、乙两种溶质的饱和溶液，从t2℃降温到t1℃时，对烧杯中剩余溶液描述正确的是        。a.溶质的质量分数：甲＞乙           b.析出固体的质量：甲＞乙c.甲是饱和溶液，乙是不饱和溶液     d.溶剂的质量：甲﹤乙