标准要求以下记录应与保持()。
A.内部沟通记录
B.外部沟通记录
C.OPRP监视记录
D.CCP监控记录
参考答案:B, C, D
— Should I talk in English or French?
— Do as you _________ . We understand both.
A.think
B.please
C.care
D.feel
()is the most flexible mode of all the transport modes.
A.Aircraft
B.Ship
C.Train
D.Motor carrier