贷款人在短期贷款到期()之前，应当向借款人发送还本付息通知单。
A、一个星期
B、二个星期
C、三个星期
D、四个星期
参考答案：C
— Sorry, what did you say just now?
— I asked ______. [ ]
A. when did he leave
B. where you have been
C. whom will you go with
D. how I could get to the station
对于拉赫曼原理的应用，空气膨胀是从（）抽出部分空气。
A.热交换器下部
B.下塔中部
C.热交换器中部
D.下塔底部
