A.shown at the bow
B.white in color
C.shown in addition to the stern light
D.an all-round light
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A.tug's engineroom or the bow
B.pilot house or aft steering station
C.forecastle
D.towing bitts by reaching over and releasing a lever
A.on course
B.headed fair
C.holding on
D.in shape
A.port and starboard strings
B.outer strings
C.drag strings
D.side strings
A.a mechanical breakdown on the tug
B.adverse tidal current conditions
C.the tug reducing its speed
D.All of the above
A.celestial meridian
B.celestial equator
C.celestial horizon
D.principal vertical circle
最新試題
A tug may be in danger of tripping when（）.
A tackle is “two blocked” when the blocks are（）.
A tug in irons is（）.
A traffic separation zone is that part of a traffic separation scheme which（）.
A stretch where the channel changes from one side of the river to the other is called a （）.
A thin，whitish，high cloud popularly known as “mares’ tails” is（）.
A type of precipitation that occurs only in thunderstorms with strong convection currents that convey raindrops above and below the freezing level is known as（）.
A slow，gradual fall of the barometer indicates approaching（）.
A time diagram is a diagram of the celestial sphere as observed from above the（）.
A thrust block is designed to（）.