A.adherence to
B.adoption to
C.relaying on
D.usage of
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A.keep silence
B.forbid transmission
C.change information
D.impose
A.taken
B.take
C.took
D.taked
A.someone else will take his place
B.the captain will take charge of his work
C.nobody will be capable of doing his work
D.anyone else will use the radio equipment
A.receive shore-to-ship distress alerting
B.transmit ship-to-shore distress alerting
C.receive message for public correspondence
D.transmit and receive locating signals
A.an EGC receiver only
B.a satellite communication system
C.a HF radio system
D.a VHF with DSC system
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SOLAS ships shall be equipped with（）.
Particular care should be（）in selecting CESs in areas where Ocean Regions overlap.
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.
For COSPAS-SARSAT system,（）usually transmit initial COSPAS-SARSAT alert.
The vessel has stayed in port for seven days because she needs（）.
（）will form the basis for distress alerting and safety calling.
What following is not among the function of SOLAS ships?（）
All coast radio stations（）DSC installed for VHF and HF.
The quality of EGC messages is（）affected by the position of the ship, the time of reception and climatic conditions.
Can MF/HF radiotelephone receive the MSI sent from the coast stations alone?（）