下列说法正确的是( )
20℃时,向3个盛有50克水的烧杯中,分别加入一定质量的氯化钠,并充分溶解。根据下表实验数据回答。
实验编号
A
B
C
加入氯化钠的质量(克)
9
16
27
溶液质量(克)
59
66
68
_______ means relating to the present time, for example the present decade or present century.
Why do you want a new job you got such a good one already?