A.special
B.different
C.expensive
D.valuable
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A.a mother ship
B.a lifeboat
C.a life craft
D.all of A,B,C
A.any transmission
B.any harmful transmission
C.to use radiotelephone
D.using radiotelephone
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
最新試題
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.
SOLAS ships shall be equipped with（）.
Can MF/HF radiotelephone receive the MSI sent from the coast stations alone?（）
（）by an ice-breaker, it is important to maintain a continuous listening watch on the appropriate VHF channel and to maintain a proper look-out for sound and visual signals.
All coast radio stations（）DSC installed for VHF and HF.
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（）.
（）will form the basis for distress alerting and safety calling.