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

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? （）

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

Do you require any further assistance ? My ship is safe now and no assistance is necessary.This VHF communication generally takes place during（）.

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（）.

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

I’d like to know something about the cargo condition at the loading port（）detail.

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

There is a drifting mine（）in position 21 degrees 31 minutes North 124 degrees 20 minutes East.

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