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（）.

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? （）

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.

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

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

The generators on your rig have shut down，leaving you without navigation lights. Which emergency signal would you transmit over the VHF radio to alert vessels in the area of your predicament? （）

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

（），the cargo plan is not well done.

（）both anchors.