I have been instructed that on my voyage（），I shall call at Maderra to pick up some cargo.

Please（）all the lines fore and aft，the vessel is just in her position of the berth now.

Pilot Station，this is Chinese ship Jinsha（）.Over.

A call between any two ship stations on an intership working frequency shall have a maximum duration of（）.

A mark or place at which a vessel comes under obligatory entry，transit，or escort procedure is know as（）.

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 height of a VHF radio antenna is more important than the power output wattage of the radio because（）.

The weather is often（）in a high-pressure area.

There is a VHF set（）the front of the wheelhouse.

How should the letter O be pronounced when spoken on the radiotelephone?（）