单项选择题
Ships sailing in（）are able to receive and print out EGC message.
A.a fixed area or Navarea in any ocean region
B.a Navarea or weather forecast area
C.the designated area or given geographic position
D.anywhere of the world
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相关考题
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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 -
单项选择题
DSC distress acknowledgements are normally transmitted by（）in respond to a receiver DSC distress call.
A.Ship stations
B.Coast stations
C.NCSs
D.NCC -
单项选择题
Distress and safety communications following DSC calling will be performed by radiotelephony or（）.
A.NBDP
B.EGC receiver
C.NBDP or both
D.EGC receiver or both
