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
All VHF marine band radios operate in the simplex mode，which means that（）.
Should that kind of weather（），the two ships would touch each other.
The weather is often（）in a high-pressure area.
Vessels wishing to communicate with the Port Health Officer should do（）on VHF Channel 14.
The expression STAND-BY ENGINE means:（）.
The present voyage of my ship began at the port of Shanghai after loading 8 000 tons of Cargo on board and ended after discharging the Cargo at the port of Hong Kong，which was（）.
Channel 13 (156.65 MHz)，the designated bridge-to-bridge channel，may NOT be used to（）.
The control of distress traffic is the responsibility of（）.
The space in Hatch No.4 tweendeck is too（）.
A call between any two ship stations on an intership working frequency shall have a maximum duration of（）.