A.1980
B.1981
C.1979
D.1982
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A.assist
B.send a rescue vessel
C.search the distress area
D.reach the distress position at once
A.alternation
B.alternate
C.alter
D.alternative
A.all ships in a large sea area
B.only the sea authorities ashore
C.the SAR units ashore and at sea
D.the port radios and the coast stations
A.some
B.lots of
C.many
D.all
A.impossible
B.possible
C.easy
D.difficult
最新試題
The priority of EGC messages is classified by（）.
（）will form the basis for distress alerting and safety calling.
In case a ship is in emergency or distress in any of 4 areas, it is required to use the continuous（）alert.
Radio communication（）for many years and helps to save tens of thousands of lives.
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.
If the beacon is mounted at a wrong place, it may（）by sea water, chemicals, exhaust and vibrations.
What following is not among the function of SOLAS ships?（）
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.
All coast radio stations（）DSC installed for VHF and HF.
The advantage of geostationary satellites is（）.