A.at
B.for
C.in
D.on
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A.with
B.to
C.for
D.of
A.at obscured objects
B.forward submerged targets
C.up exposed targets
D.for unseen objects
A.to be sailing
B.sailing
C.sail
D.to sail
A.in
B.of
C.on
D.with
A.cargo elevators
B.conveyor belts
C.ramps
D.derricks and winches for cargo handling
最新試題
Which of the following is not a form of precipitation?（）
According to the relevant regulation, lifeboat should be powered by（）.
The loading of the ship must be done in accordance with（）.
（）is on the panel of radar.
Which wind results from a land mass cooling more quickly at night than an adjacent water area?（）
Bales close to the deckhead should be covered to prevent（）.
The helm command PORT TWENTY means（）.
（）is where the crew eat their meals.
Despite the rising importance and great convenience of the gyrocompass,the magnetic compass still retain its importance because of its（）.
ECDIS must be able to perform all of the following EXCEPT（）.