A.one short blast
B.one prolonged blast
C.two short blasts
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A.the assistant officer
B.the captain
C.the officer on duty
D.the third officer
A.Both vessels
B.Neither vessel
C.The stand-on vessel
D.The giving-way vessel
A.in numbers
B.with marks
C.in block letters
D.with s mbols
A.shallow water ahead of you
B.submerged wreck ahead of you
C.risk of collision imminent
D.A, B, C are all right
A.in
B.on
C.out
D.about
最新試題
Shipboard Emergency Drills must be carried out at least（）on board cargo ship.
Despite the rising importance and great convenience of the gyrocompass,the magnetic compass still retain its importance because of its（）.
According to the relevant regulation, lifeboat should be powered by（）.
How long are you prohibited to consume alcohol prior to serving as a member of a watch?（）
What is it called when it is possible to ignite the vapour above the oil?（）
The dew point temperature is（）.
（）is on the panel of radar.
The loading of the ship must be done in accordance with（）.
（）is halfway between the forward and after perpendiculars and is reference point for vessel construction.
Which of the following shall not the officers in charge of the navigational watch do?（）