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
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A.Way point
B.Receiving point
C.Reporting point
D.Closest Point
A.2 minutes
B.3 minutes
C.4 minutes
D.5 minutes
A.What pity
B.What a pity
C.What the pity
D.What pities
A.Frank speaked
B.Frankly to speak
C.Frankly spoken
D.Frankly speaking
A.How is
B.How are
C.What is
D.What are
最新試題
A call between any two ship stations on an intership working frequency shall have a maximum duration of（）.
There is a drifting mine（）in position 21 degrees 31 minutes North 124 degrees 20 minutes East.
The expression STAND-BY ENGINE means:（）.
The control of distress traffic is the responsibility of（）.
You are making a telephone call ship-to-shore using the VHF-FM service.You can tell that the working channel is busy if you hear（）.
The weather is often（）in a high-pressure area.
One hour before arrival at Elbe 1 light vessel，masters are advised to contact the pilot boat by（）.
The height of a VHF radio antenna is more important than the power output wattage of the radio because（）.
The generators on your rig have shut down，leaving you without navigation lights. Which emergency signal would you transmit over the VHF radio to alert vessels in the area of your predicament? （）
The space in Hatch No.4 tweendeck is too（）.