A.Free of charge
B.Important
C.Required
D.Unnecessary
您可能感興趣的試卷
你可能感興趣的試題
A.identification
B.distinction
C.discrimination
D.clearly seeing
A.Chain stopper
B.Devil's claw
C.Hawse ratchet
D.Riding pawl
A.pilot ladder
B.rope ladder
C.rod ladder
D.accommodation ladder
A.on her beam
B.on her stern
C.on her bow
D.broad on the quarter
A.soft clay
B.hard mud
C.very soft mud
D.sand
最新試題
You are anchoring in 16 fathoms of water．On a small to medium size vessel，the（）.
What is the best guide for determining the proper scope of anchor chain to use for anchoring in normal conditions（）.
When anchoring，good practice requires 5 to 7 fathoms of chain for each fathom of depth. In deep water you should use（）.
You are underway in fog and you hear one prolonged blast followed by two short blasts.This is a vessel（）.
The centre of lateral resistance is（）.
If the ship is alongside the wharf，what kind of（）is used?
When entering the bridge，pilots of the Suez Canal want the master of the ship to fill in （）.
You are mooring to a buoy．You should approach the buoy with the current from（）.
You are making a sharp turn in a channel and using a buoy four points on the bow to gauge your rate of turn.If you observe the buoy moving aft relative to you，what should you do（）.
All the following is true except that（）.