账务处理模块是会计核算软件的核心模块。( )
参考答案：对
解析：[考点] 会计核算软件的模块操作 账务处理模块是会计核算系统的核心模块。
在我国期货交易所（）是由集合竞价产生的。
A.最高价
B.开盘价
C.收盘价
D.最低价
— I heard the phone ringing in the office next door.
— You ________ it. They haven't got a phone yet. [ ]
A. couldn't have head
B. couldn't hear
C. wouldn't have heard
D. didn't hear
