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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The priority of EGC messages is classified by（）.
The rescue coordination center may（）on stations which interfere with traffic.
International Navtex service means the coordinated broadcast and automatic reception on（）khz of maritime safety information by narrow-band direct-printing telegraphy using English language.
What following is not among the function of SOLAS ships?（）
Radio communication（）for many years and helps to save tens of thousands of lives.
Radio beacon can be activated（）in case of distress.
Stations in the United States of America are grouped by states arranged in the alphabetical order of their（）.
All coast radio stations（）DSC installed for VHF and HF.
For COSPAS-SARSAT system,（）usually transmit initial COSPAS-SARSAT alert.
Every ship constructed on or after（）shall comply with all the applicable requirements of this chapter.