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 rescue coordination center may（）on stations which interfere with traffic.
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.
Monitoring is especially important in a highly automated system which is dependent on careful（）procedure and format.
For COSPAS-SARSAT system,（）usually transmit initial COSPAS-SARSAT alert.
The advantage of geostationary satellites is（）.
What following is not among the function of SOLAS ships?（）
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.
International Navtex service means the coordinated broadcast and automatic reception on（）khz of maritime safety information by narrow-band direct-printing telegraphy using English language.
Before GMDSS, if the radio officer on board is serious ill,（）.
Stations in the United States of America are grouped by states arranged in the alphabetical order of their（）.