Channel 13 (156.65 MHz)，the designated bridge-to-bridge channel，may NOT be used to（）.

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

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（）.

Some goods are missing（）terrible weather.

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

The control of distress traffic is the responsibility of（）.

Vessels wishing to communicate with the Port Health Officer should do（）on VHF Channel 14.

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（）.

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