曲柄连杆机构所受的力有（）
A.惯性力
B.离心力
C.摩擦力
D.气体压力
参考答案：A, B, C, D
---What do you think of my article, professor?
---The former part is well written but _____ is just so so.
A．the later
B．the last part
C．latest
D．the latter
国际汇出汇款电汇交易的起息日是由（）负责录入。
A、前台经办
B、前台核准
C、后台路径选择人员
D、后台交易确认人员
