A:t1℃时甲的溶解度为20g
B:t2℃时甲、乙的溶解度相等
C:乙的溶解度随温度升高而减小
D:升温可将t1℃时甲的饱和溶液变为不饱和溶液
It is wise to have some money ________ for old age.