内部记账传票录入支持（）
A.一对一
B.一对多
C.多对多
D.多对一
参考答案：A, B, C
A series of ads produced by the company has greatly ______ the success of the new product in
the market. [ ]
A. contributed to
B. turned to
C. belonged to
D. referred to
现代核武器正朝着（）、实用化、多弹头、多用途的方向发展。
A.大型化
B.小型化
C.多样化
D.实时化
