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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COSPAS-SARSAT is intended to be used for（）.
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.
Ship-to-ship distress alerting should be conducted by（）.
Every ship constructed on or after（）shall comply with all the applicable requirements of this chapter.
Stations in the United States of America are grouped by states arranged in the alphabetical order of their（）.
The frequency（）the safety message will be transmitted shall be included in DSC safety call.
（）by an ice-breaker, it is important to maintain a continuous listening watch on the appropriate VHF channel and to maintain a proper look-out for sound and visual signals.
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.
The quality of EGC messages is（）affected by the position of the ship, the time of reception and climatic conditions.
What following is not among the function of SOLAS ships?（）