A.distress, urgent and safety
B.safety and routine
C.urgent, safety and routine
D.distress, urgent, safety and routine
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A.sometimes
B.all times
C.never
D.partly
A.automatically suppressed
B.finished by the operator
C.manually suppressed
D.done again
A.DSC
B.EPIRB
C.EGC
D.NBDP
A.Inmarsat SES
B.VHF /DSC or MF/DSC
C.SART and VHF/DSC
D.Satellite EPIRB and VHF /DSC
A.ship in distress and assisting units
B.NCS and RCC
C.RCCs and “on-scene commander” or “coordinator surface search”
D.ship in distress and coast station
最新試題
Stations in the United States of America are grouped by states arranged in the alphabetical order of their（）.
For COSPAS-SARSAT system,（）usually transmit initial COSPAS-SARSAT alert.
Every lifeboat which is fitted with a fixed two-way（）radiotelephone apparatus with an antenna which is separately mounted shall be provided with arrangements for sitting and securing the antenna effectively in its operating position.
Can MF/HF radiotelephone receive the MSI sent from the coast stations alone?（）
The vessel has stayed in port for seven days because she needs（）.
Distress traffic is the communication（）between the station in distress and the ships, aircraft, coast radio stations, coast earth stations and rescue centers participating in the rescue work.
Before GMDSS, if the radio officer on board is serious ill,（）.
Ship-to-ship distress alerting should be conducted by（）.
Radio communication（）for many years and helps to save tens of thousands of lives.
Particular care should be（）in selecting CESs in areas where Ocean Regions overlap.