票据买入方式有()
A、贴现买入
B、转贴现卖断
C、再贴现
D、卖出回购
参考答案:A
This book is said to be a special one, which __________many events not found in other history books.
A.writes
B.refers
C.deals
D.covers
起泡剂的作用是什么?