建立账套时启用会计期间的涵义是()
A.年度结账时间
B.结账月份
C.开始启用软件系统处理业务的时间
D.系统时间
参考答案:C
Throughout history, the language________ by a powerful group spreads across a civilization. [ ]
A. speaking
B. spoken
C. to speak
D. to be spoken
CD-ROM是只读光盘。