A.at night
B.by day
C.when in fog
D.in bad weather
您可能感興趣的試卷
你可能感興趣的試題
A.will take
B.took
C.is taking
D.would take
A.get
B.board
C.go
D.come
A.onsequently
B.constantly
C.continuously
D.consistently
A.shall cross
B.shall cross to
C.cross
D.sail cross
A.stop down
B.speed down
C.slow down
D.down slow
最新試題
Which of the following shall not the officers in charge of the navigational watch do?（）
How long are you prohibited to consume alcohol prior to serving as a member of a watch?（）
The helm command PORT TWENTY means（）.
Your vessel is docking, but not yet alongside. Which line will be the most useful when maneuvering the vessel alongside the pier?（）.
Which of the following is not a form of precipitation?（）
The loading of the ship must be done in accordance with（）.
Berthing means bringing a vessel to her berth until（）.
The dew point temperature is（）.
Despite the rising importance and great convenience of the gyrocompass,the magnetic compass still retain its importance because of its（）.
When steering by autopilot,how often should the steering be checked?（）