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
Manoeuvring information can not be obtained from（）.
The company should establish and maintain procedures to control all documents and date which are relevant to（）.
Which of the following is not a form of precipitation?（）
When the wave period and the apparent rolling period are the same（）.
Fog is likely to occur when there is little difference between the dew point and the（）.
In the Northern hemisphere northerly winds may cause temperature（）.
Before any loading takes place any signs of the previous cargo should do（）.
Full details of all lights and fog signals are shown on（）.
Which wind results from a land mass cooling more quickly at night than an adjacent water area?（）
The ISM code is part of（）.