A.ITU
B.IMO
C.MSC
D.WMO
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A.promote
B.improve
C.guarantee
D.both A and B
A.taking the place of the radio system
B.introducing a new life-saving system
C.saving the vessels in distress
D.improving the communication on land
A.was suffering
B.is suffering
C.has suffered
D.has been suffering
A.see
B.seeing
C.be seen
D.being seen
A.where
B.when
C.after
D.unless
最新試題
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.
In case a ship is in emergency or distress in any of 4 areas, it is required to use the continuous（）alert.
Monitoring is especially important in a highly automated system which is dependent on careful（）procedure and format.
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.
On-scene communications will normally take place between（）.
If the beacon is mounted at a wrong place, it may（）by sea water, chemicals, exhaust and vibrations.
The frequency（）the safety message will be transmitted shall be included in DSC safety call.
Radiotelephony communication or radio telex communication or both will be carried out by terrestrial or satellite means,（）the equipment fitted on ship and the area in which the incident occurs.
By using（）system a ship can send a distress message and know with certainty it will be received.