A.2 minutes
B.3 minutes
C.4 minutes
D.5 minutes
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最新試題
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（）.
If you know that the vessel you are about to call on the VHF radio maintains a radio watch on both the working and the calling frequencies，which frequency should you call on? （）
There is a VHF set（）the front of the wheelhouse.
There is a drifting mine（）in position 21 degrees 31 minutes North 124 degrees 20 minutes East.
（）both anchors.
What does the abbreviation VHF stand for?（）
A mark or place at which a vessel comes under obligatory entry，transit，or escort procedure is know as（）.
（），the cargo plan is not well done.
How should the letter O be pronounced when spoken on the radiotelephone?（）