题目

29.   As far as I’m concerned, education is about learning and the more you learn, ______. A.    the more for life are you equipped   B.      the more equipped for life you are C.    the more life you are equipped for   D.      you are equipped the more for life 答案：B(2分)现有30℃的不饱和KNO3溶液，与该溶液有关的量有：①水的质量；②溶液中溶质KNO3的质量；③KNO3的质量分数；④溶液的质量。用序号填空：Ⅰ.在该不饱和溶液中加少量硝酸钾至饱和，不变的量有         ； Ⅱ.将该不饱和溶液恒温蒸发至饱和 ，不变的量有              。