A.shall
B.should
C.would
D.had to
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A.notify the competent authorities
B.sound the alarm
C.have passengers put on life preservers
D.cut off air supply to the fire
A.The one with the wind closest abeam
B.The one to windward
C.The one to leeward
D.The one that sounds the first whistle signal
A.East to northeast
B.East to southeast
C.North to northwest
D.South to southeast
A.a dredge and widen
B.dredged and widened
C.dredging and widening
D.being dredging and widening
A.is holding course and speed
B.is turning to starboard
C.intends to pass port to port
D.will keep out of the way of the stand-on vessel
最新試題
Despite the rising importance and great convenience of the gyrocompass,the magnetic compass still retain its importance because of its（）.
The dew point temperature is（）.
What is it called when it is possible to ignite the vapour above the oil?（）
A tide is called diurnal when（）.
When steering by autopilot,how often should the steering be checked?（）
The loading of the ship must be done in accordance with（）.
（）is the act of allocating space to containers on board of a container ship in the order of the discharge ports.
In the Northern hemisphere northerly winds may cause temperature（）.
Which of the following is not a form of precipitation?（）
It is dangerous for vessels without the operational radar（）the estuary.