A.any transmission
B.any harmful transmission
C.to use radiotelephone
D.using radiotelephone
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A.reach the distress area
B.conduct a sector search
C.send rescue vessels
D.assist coordinately in SAR operation
A.1
B.2
C.3
D.4
A.received alreadly
B.have received
C.had received
D.was receiving
A.MF
B.VHF
C.HF
D.LF
A.1995
B.1998
C.1999
D.2000
最新試題
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.
Before GMDSS, if the radio officer on board is serious ill,（）.
Radio communication（）for many years and helps to save tens of thousands of lives.
COSPAS-SARSAT is intended to be used for（）.
SOLAS ships shall be equipped with（）.
Particular care should be（）in selecting CESs in areas where Ocean Regions overlap.
At least two two-way VHF radiotelephone apparatus shall be provided on every cargo ship of（）tons gross tonnage and upwards but less than 500 tons gross tonnage.
On-scene communications will normally take place between（）.
What following is not among the function of SOLAS ships?（）
Stations in the United States of America are grouped by states arranged in the alphabetical order of their（）.