A.What
B.When
C.At what
D.At when
您可能感興趣的試卷
你可能感興趣的試題
A.Except
B.Excepting
C.Except for
D.Except that
A.That
B.It
C.Which
D.What
A.Loading
B.Load
C.Lade
D.Laden
A.Help，Help，Help
B.Mayday，Mayday，Mayday
C.Save，Save，Save
D.Rescue，Rescue，Rescue
A.on
B.at
C.in
D.above
最新試題
A call between any two ship stations on an intership working frequency shall have a maximum duration of（）.
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? （）
What does the abbreviation VHF stand for?（）
Some goods are missing（）terrible weather.
The expression STAND-BY ENGINE means:（）.
Do you require any further assistance ? My ship is safe now and no assistance is necessary.This VHF communication generally takes place during（）.
What is meant by veering the anchor chain? （）
Pilot Station，this is Chinese ship Jinsha（）.Over.
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? （）
（）your present speed?