A.keep silence
B.forbid transmission
C.change information
D.impose
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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
A.English/all distress communications
B.Chinese/some distress calls
C.the language decided by Administration/all distress calls
D.Japanese/some distress alerts
最新試題
Radio communication（）for many years and helps to save tens of thousands of lives.
The vessel has stayed in port for seven days because she needs（）.
（）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.
The priority of EGC messages is classified by（）.
The advantage of geostationary satellites is（）.
SafetyNet is an international service for the broadcast and automatic reception of MSI by means of direct-printing through（）system.
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.
SOLAS ships shall be equipped with（）.
COSPAS-SARSAT is intended to be used for（）.
Every ship constructed on or after（）shall comply with all the applicable requirements of this chapter.