You must check-in at least one hour before _____ （depart) time.

A.每人每天进行一次或者多次

B.项目组每天一次或多次

C.每周一次或多次

D.特性完成时CheckIn

A．直接checkin自己的更新

B．先检查并接受其他人的更新再checkin

C．如果别人的更新个自己有冲突不用修改直接checkin

听力原文：M: Is this the checkin counter for flight 914 to Los Angels？

W: Yes. But I'm sorry the flight is delayed because of a minor mechanical problem. Please wait for further notice.

Q: What do we learn from this conversation？

(19)

A．The man went to a wrong checkin counter.

B．The man has just missed his flight.

C．The plane will leave at 9:14.

D．The plane's departure time remains unknown.

A、VD——VC

B、VC——OC

C、OCC——VD

D、VD——OOO

A.签出(CheckOut)

B.签入(CheckIn)

C.取出(Get)

D.撤销签出(UndoCheckOut)

A．ight comment

B．SSSS

C．HECK ETD RQ

D．t checkin

A、Must you to

B、Have you to

C、Do you have to

D、Do you must