A.must
B.ought to
C.have to
D.never
您可能感興趣的試卷
你可能感興趣的試題
A.one minute
B.three minutes
C.five minutes
D.eight minutes
A.answers very well
B.rudder answers all right
C.answers slow
D.answers fast
A.length and width of space
B.length of space only
C.width of space only
D.neither length nor width
A.concealed to prevent mechanical damage
B.concealed so the boat can be maintained more easily
C.protected from the weather
D.in an accessible place behind the ceiling
A.overtake
B.not overtake
C.overtake or not
D.decide if you should overtake
最新試題
When should the emergency position-indicating radiobeacon be activated after abandoning a ship?()
Automatic identification systems (AIS) are required to().
Shall we()wait at the roadstead till there is a free berth for us?
Which of the following statements is TRUE regarding automatic identification systems (AIS) ?()
The agent has probably already handed over you the stowage plan,().
Ships are always()on water and they are easy to rust.
Routine radio communications should be no more than().
To reduce the amount of catenary you may().
Take tug’s towing line to().
The unit of duration of a dash in Morse Code is().