A.satellite /terrestrial system
B.INMAARSAT/COSPAS-SARSAT
C.SART / EPIRB
D.geostationary/polar-orbiting satellites
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A.enable SAR operations to start with minimum delay
B.give facilities to marine communication
C.reduce sharply the chances of ship’s sinking
D.both A and C
A.occasionally
B.accidentally
C.often
D.usually
A.keep
B.kept
C.are keeping
D.have kept
A.has made
B.make
C.has been made
D.is making
A.When the distress alert is sounded
B.When the emergency equipment is switching on
C.When the general emergency alarm is sounded
D.When the distress broadcast is sounded
最新試題
Monitoring is especially important in a highly automated system which is dependent on careful（）procedure and format.
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.
For COSPAS-SARSAT system,（）usually transmit initial COSPAS-SARSAT alert.
Stations in the United States of America are grouped by states arranged in the alphabetical order of their（）.
Every ship constructed on or after（）shall comply with all the applicable requirements of this chapter.
We consider（）send a helicopter with medical facilities to the distress area.
Ship-to-ship distress alerting should be conducted by（）.
If the beacon is mounted at a wrong place, it may（）by sea water, chemicals, exhaust and vibrations.
The advantage of geostationary satellites is（）.
Please use（）for（）.