实验考查中小明配制了50g15%的食盐水,经检测质量分数偏高,可能原因是( )
A:食盐中含有不溶杂质
B:取水时俯视读数
C:称量时物码放反
D:转移至细口瓶时洒出
We were dying to hear the announcement of the winner of the race.
(﹣2a2)•(﹣ab2)3•(2a2b3)
—He is Andy's father.