A.rain
B.high
C.layer
D.cirrus
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A.rain
B.high
C.layer
D.cirrus
A.Rising clouds
B.Lowering clouds
C.Thickening clouds
D.Scattering clouds
A.Humidity
B.Temperature
C.Precipitation
D.Wind
A.Humidity
B.Temperature
C.Precipitation
D.Wind
A.NAVETEX receiver
B.Search and Rescue Transponder
C.Emergency Position Indicating Radio Beacon
D.Digital selective calling
最新試題
The mean draft of a ship is the draft（）.
Your vessel is docking, but not yet alongside. Which line will be the most useful when maneuvering the vessel alongside the pier?（）.
Despite the rising importance and great convenience of the gyrocompass,the magnetic compass still retain its importance because of its（）.
The helm command PORT TWENTY means（）.
What is a CORRECT reply to a pilot’s request, How’s your heading?（）
Full details of all lights and fog signals are shown on（）.
Which of the following is not an operation mode of AIS?（）
（）is the act of allocating space to containers on board of a container ship in the order of the discharge ports.
（）is where the crew eat their meals.
Manoeuvring information can not be obtained from（）.