A.enter the system rapidly / wait for rescue
B.have an absolute priority to enter the system / contact with a CES
C.establish contact with the RCC / enter the port
D.enter the system gradually / get the rescue
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A.Yamaguchi, Japan
B.Beijing, China
C.Nakhodka, Russia
D.Perth, Australia
A.Goonhilly, UK
B.Yamaguchi, Japan
C.Perth, Australia
D.Southbury, USA
A.location and capacity of the facilities located on board ships
B.Position and type of a sincere sintion
C.Capacity and location of shore based communication facilities
D.Position and capacity of mobile communication stations
A.64.5E
B.178E
C.15.5W
D.54W
A.communications in the whole system will stop
B.the global system will be damaged
C.the back-up one will take its place
D.the whole system will not work
最新試題
We consider（）send a helicopter with medical facilities to the distress area.
Radio communication（）for many years and helps to save tens of thousands of lives.
Monitoring is especially important in a highly automated system which is dependent on careful（）procedure and format.
If the beacon is mounted at a wrong place, it may（）by sea water, chemicals, exhaust and vibrations.
In case a ship is in emergency or distress in any of 4 areas, it is required to use the continuous（）alert.
On-scene communications will normally take place between（）.
Particular care should be（）in selecting CESs in areas where Ocean Regions overlap.
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.
Before GMDSS, if the radio officer on board is serious ill,（）.
Every lifeboat which is fitted with a fixed two-way vhf radiotelephone apparatus with（）which is separately mounted shall be provided with arrangements for sitting and securing the antenna effectively in its operating position.