A.in
B.up
C.on
D.over
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A.whom
B.what
C.which
D.where
A.tightly
B.closely
C.securely
D.strictly
A.watch
B.to watch
C.watching
D.watched
A.to cross
B.cross
C.crossing
D.to crossing
A.at
B.for
C.in
D.on
最新試題
The ISM code is part of（）.
Your vessel is docking, but not yet alongside. Which line will be the most useful when maneuvering the vessel alongside the pier?（）.
Fog is likely to occur when there is little difference between the dew point and the（）.
The helm command PORT TWENTY means（）.
Despite the rising importance and great convenience of the gyrocompass,the magnetic compass still retain its importance because of its（）.
Full details of all lights and fog signals are shown on（）.
How long are you prohibited to consume alcohol prior to serving as a member of a watch?（）
Before any loading takes place any signs of the previous cargo should do（）.
The mean draft of a ship is the draft（）.
ECDIS must be able to perform all of the following EXCEPT（）.