A.transmit
B.to transmitting
C.transmitting
D.in transmitting
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A.inspecting
B.inspected
C.inspects
D.having inspected
A.coming into effect
B.moving to full effect
C.being based on force
D.coming into force
A.fixed
B.matched
C.fitted
D.equal
A.square
B.triangle
C.circle
D.rectangle
A.cannot
B.are not allowed
C.have the right
D.should get permission to
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The frequency（）the safety message will be transmitted shall be included in DSC safety call.
Every lifeboat which is fitted with a fixed two-way vhf radiotelephone apparatus with（）which is separately mounted shall be provided with arrangements for sitting and securing the antenna effectively in its operating position.
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.
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.
Particular care should be（）in selecting CESs in areas where Ocean Regions overlap.
SafetyNet is an international service for the broadcast and automatic reception of MSI by means of direct-printing through（）system.
The vessel has stayed in port for seven days because she needs（）.
All coast radio stations（）DSC installed for VHF and HF.
（）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.
Every ship constructed on or after（）shall comply with all the applicable requirements of this chapter.