单项选择题

As each MSI message will have a unique identity, the printing of messages already received correctly is（）.

A.automatically suppressed
B.finished by the operator
C.manually suppressed
D.done again

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单项选择题

SafetyNet is an international service for the broadcast and automatic reception of MSI by means of direct-printing through（）system.

A.DSC
B.EPIRB
C.EGC
D.NBDP

单项选择题

Ship-to-ship distress alerting should be conducted by（）.

A.Inmarsat SES
B.VHF /DSC or MF/DSC
C.SART and VHF/DSC
D.Satellite EPIRB and VHF /DSC

单项选择题

On-scene communications will normally take place between（）.

A.ship in distress and assisting units
B.NCS and RCC
C.RCCs and “on-scene commander” or “coordinator surface search”
D.ship in distress and coast station