单项选择题

（）will normally provide sufficient information to seaward of fairway buoy or pilot station.

A.Navarea warnings
B.coastal warnings
C.local warnings
D.Meteorological warnings

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单项选择题

A.Mobile Satellite Information
B.Motor ship Identification
C.Most Serious Information
D.Maritime Safety Information

单项选择题

A.receiving messages/one station
B.transmission/ one coast station or ship
C.communicating /one ship
D.contacting/other

单项选择题

A.120/20
B.56/18
C.100/16
D.96/8