A.Low cl;ouds
B.High clouds
C.Special clouds
D.medium clouds
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A.Cirrostratus
B.Cirrus
C.Cirrocumulus
D.Altostratus
A.Cirrostratus
B.Cirrus
C.Cirrocmulus
D.Altostratus
A.Tides
B.Sea
C.Swell
D.Wind
A.Falling barometric pressure
B.Rising barometric pressure
C.The circulations of winds
D.The change of wind direction
A.The persence of cirrus clouds
B.The low-hanging stratus clouds
C.The altocumulus clouds
D.The massive cumulus clouds
最新試題
Which wind results from a land mass cooling more quickly at night than an adjacent water area?（）
Fog is likely to occur when there is little difference between the dew point and the（）.
According to the relevant regulation, lifeboat should be powered by（）.
（）is where the crew eat their meals.
The ISM code is part of（）.
The loading of the ship must be done in accordance with（）.
ECDIS must be able to perform all of the following EXCEPT（）.
（）is the act of allocating space to containers on board of a container ship in the order of the discharge ports.
When steering by autopilot,how often should the steering be checked?（）
What is a CORRECT reply to a pilot’s request, How’s your heading?（）