A.frequent
B.so frequent
C.frequent that
D.so frequent that
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A.keeping a close watch and lookout
B.taking a radar range and bearing
C.observing a radar target and listening to signals
D.keeping a well clear caution
A.from
B.on
C.in
D.of
A.a continuous ringing for 10 seconds
B.one short ring followed by one long ring
C.two long rings of at least 20 seconds
D.a continuous ringing until the fire is extinguished
A.gives up
B.gives away
C.gives in
D.gives off
A.the chief engineer
B.the person about whom the entry concerns
C.one other crew member
D.no other signature is required
最新試題
Which of the following shall not the officers in charge of the navigational watch do?（）
The helm command PORT TWENTY means（）.
Before any loading takes place any signs of the previous cargo should do（）.
（）is on the panel of radar.
Full details of all lights and fog signals are shown on（）.
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 an operation mode of AIS?（）
In the Northern hemisphere northerly winds may cause temperature（）.
Where would you find information about the time of high tide at a specific location on a particular day of the year?（）
Shipboard Emergency Drills must be carried out at least（）on board cargo ship.