A.is
B.are
C.was
D.were
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A.one short blast
B.one prolonged blast
C.two short blasts
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
最新試題
According to the relevant regulation, lifeboat should be powered by（）.
Shipboard Emergency Drills must be carried out at least（）on board cargo ship.
Which of the following is not a form of precipitation?（）
The helm command PORT TWENTY means（）.
When steering by autopilot,how often should the steering be checked?（）
Where would you find information about the time of high tide at a specific location on a particular day of the year?（）
When the wave period and the apparent rolling period are the same（）.
（）is on the panel of radar.
The loading of the ship must be done in accordance with（）.
Manoeuvring information can not be obtained from（）.