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

Some goods are missing（）terrible weather.

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

Should that kind of weather（），the two ships would touch each other.

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

All VHF marine band radios operate in the simplex mode，which means that（）.

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

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

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

（）both anchors.