A.I am going to change to VHF channel B.I am certainly going to change to VHF channel C.Changing to VHF channel D.VHF channel. has been changed
A.on B.at C.in D.above
A.Vessel's Hoisting Flag B.Very High Safety C.Vessel's Homing Frequency D.Very High Frequency
A.exchange navigational information between vessels B.exchange navigational information between a vessel and a shore station C.conduct necessary tests D.exchange operating schedules with company dispatcher
A.calls B.called C.calling D.call
A.Way point B.Receiving point C.Reporting point D.Closest Point
A.Standing by on VHF frequency B.Coming to VHF frequency C.VHF frequency. is the best place for you to stay by D.remaining in frequency. and do not change
A.How is B.How are C.What is D.What are
A.only one person may talk at a time B.only two persons may talk at the same time C.the radio only transmits D.the radio only receives
A.Mayday，Mayday，Mayday B.Pan，Pan，Pan C.Security，Security，Security D.Lights out，Lights out，Lights out
