A.distress alert
B.urgency message
C.safety message
D.routine message
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A.distress alert
B.urgency message
C.safety message
D.routine message
A.distress alert
B.urgency message
C.safety message
D.routine message
A.low clouds
B.High clouds
C.Special clouds
D.medium clouds
A.Low cl;ouds
B.High clouds
C.Special clouds
D.medium clouds
A.Cirrostratus
B.Cirrus
C.Cirrocumulus
D.Altostratus
最新試題
Where would you find information about the time of high tide at a specific location on a particular day of the year?（）
What is a CORRECT reply to a pilot’s request, How’s your heading?（）
The mean draft of a ship is the draft（）.
Which of the following is not an operation mode of AIS?（）
Which of the following is not a form of precipitation?（）
Berthing means bringing a vessel to her berth until（）.
The loading of the ship must be done in accordance with（）.
ECDIS must be able to perform all of the following EXCEPT（）.
When the wave period and the apparent rolling period are the same（）.
Despite the rising importance and great convenience of the gyrocompass,the magnetic compass still retain its importance because of its（）.