为了加速漂白粉的漂白作用,最好的方法是 [ ]
A.加入苛性钠溶液
B.用水湿润
C.加少量稀盐酸
D.加热干燥使用
答案:C
There was a lot of fun at yesterday's party. You ________ come,and what a pity!
A.might have
B.should have
C.could have
D.would have
请简要说明付款日期不同类型的汇票的提示付款期限。