A.tightly
B.closely
C.securely
D.strictly
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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
A.with
B.to
C.for
D.of
A.at obscured objects
B.forward submerged targets
C.up exposed targets
D.for unseen objects
最新試題
Full details of all lights and fog signals are shown on（）.
The helm command PORT TWENTY means（）.
The ISM code is part of（）.
Bales close to the deckhead should be covered to prevent（）.
A tide is called diurnal when（）.
The company should establish and maintain procedures to control all documents and date which are relevant to（）.
（）is on the panel of radar.
The mean draft of a ship is the draft（）.
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（）.