下述哪项作为推算预产期的根据最不准确()。
A.早孕反应出现的时间
B.末次月经
C.手测宫底高度
D.胎动开始时间
E.体重
参考答案:E
— A homeless man won a lottery ticket . He became rich overnight .
— .
A.Better safe than sorry
B.The early birds catches the worm
C.Every dog has its day
D.Too many cooks spoil the broth
经营者销售商品,可以以明示方式给对方( )。
A.回扣 B.折扣 C.工资 D.佣金