题目

根据右图的溶解度曲线，判断下列说法不正确的是（  ） A．图中a点表示，t2℃时100g水中最多溶解甲物质25g B．甲物质的的溶解度随温度的升高而增大 C．t1℃时，甲、乙两物质的饱和溶液中含溶质的质量相等 D．t1℃时，甲、乙两物质的饱和溶液中溶质质量分数相等 答案：C To their delight, their newly-developed products were not _____ for the demand as soon as they went on the market. A. qualified                          B. flexible                   C. available      D. adequate