A.meteorological warnings
B.navigational warnings
C.search and rescue information
D.meteorological forecast
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A.300
B.400
C.500
D.600
A.on the bridge
B.in the coast station
C.on the forecastle
D.on starboard side
A.subject for
B.liable to
C.easy to meet
D.always encounter
A.NBDP/VHF radio
B.Inmarsat safetyNet/NAVTEX
C.Safety service / Inmarsat-A
D.Long range / short range
A.FEC and ARQ
B.satellite and terrestrial communications
C.radio and telex
D.NBDP
最新試題
Monitoring is especially important in a highly automated system which is dependent on careful（）procedure and format.
We consider（）send a helicopter with medical facilities to the distress area.
Can MF/HF radiotelephone receive the MSI sent from the coast stations alone?（）
If the beacon is mounted at a wrong place, it may（）by sea water, chemicals, exhaust and vibrations.
The frequency（）the safety message will be transmitted shall be included in DSC safety call.
As each MSI message will have a unique identity, the printing of messages already received correctly is（）.
SOLAS ships shall be equipped with（）.
Radio beacon can be activated（）in case of distress.
The advantage of geostationary satellites is（）.
At least two two-way VHF radiotelephone apparatus shall be provided on every cargo ship of（）tons gross tonnage and upwards but less than 500 tons gross tonnage.