A.complete service
B.partial controlled
C.quite new
D.total co-ordinated
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A.relevant to
B.relate to
C.in response to
D.in relation to
A.WMO
B.IHO
C.IMO
D.WARC
A.always move slowly
B.are in one place only
C.sometime move sometime don‟t move
D.are synchronizing with the movement of the earth
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.can be overcome by using traditional techniques
B.can not be overcome by satellite system
C.can be overcome by satellite and digital techniques
D.can not be tackled by any modern system
最新試題
The frequency（）the safety message will be transmitted shall be included in DSC safety call.
Radio communication（）for many years and helps to save tens of thousands of lives.
In case a ship is in emergency or distress in any of 4 areas, it is required to use the continuous（）alert.
Before GMDSS, if the radio officer on board is serious ill,（）.
（）will form the basis for distress alerting and safety calling.
All coast radio stations（）DSC installed for VHF and HF.
Ship-to-ship distress alerting should be conducted by（）.
What following is not among the function of SOLAS ships?（）
Can MF/HF radiotelephone receive the MSI sent from the coast stations alone?（）
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.