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
All VHF marine band radios operate in the simplex mode，which means that（）.
Some goods are missing（）terrible weather.
One hour before arrival at Elbe 1 light vessel，masters are advised to contact the pilot boat by（）.
（），the cargo plan is not well done.
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（）.
How should the letter O be pronounced when spoken on the radiotelephone?（）
Should that kind of weather（），the two ships would touch each other.
（），you can’t finish discharging tomorrow!
（）your present speed?
There is a VHF set（）the front of the wheelhouse.