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
SafetyNet is an international service for the broadcast and automatic reception of MSI by means of direct-printing through（）system.
Stations in the United States of America are grouped by states arranged in the alphabetical order of their（）.
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.
The vessel has stayed in port for seven days because she needs（）.
Particular care should be（）in selecting CESs in areas where Ocean Regions overlap.
On-scene communications will normally take place between（）.
SOLAS ships shall be equipped with（）.
The priority of EGC messages is classified by（）.
Please use（）for（）.
Radio communication（）for many years and helps to save tens of thousands of lives.