请你为自己或同学选择一个空气比较好的休闲场所[ ]
A.操场上
B.树林里
C.楼道里
D.房间里
答案:B
I will buy a new computer _______ the money. [ ]
A. by
B. for
C. on
D. with
按付息方式划分,债券的类型有:()
A.贴现债券
B.零息票债券
C.附息票债券
D.浮动利率债券