A.identification
B.distinction
C.discrimination
D.clearly seeing
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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
A.in many places a counter current flows in opposition to the main current close to the bank
B.current can vary with depth of water and large deep draught ships can experience different current effects at differing parts of the hull tend to turn to the wind
C.as speed is reduced，the increased proportion of the ship's vector which is attributable to current will set the ship close to obstructions
D.when close to the berth in a head current，there is a danger that flow inshore of the ship becomes restricted and the ship is subject to interactive forces
最新試題
You are approaching the pilot station with the wind fine on the starboard bow and making about 3 knots.You can help to calm the seas by taking what action just before the pilot boat comes along on the port side（）.
Sometimes lights are（）by fog，haze，dust，smoke，or precipitation which may be present at the light，or between the light and the observer，and which is possibly unknown by the observer.
Which safety check（s）should be made before letting go the anchor（）.
A（）is the intersection of the surface of a sphere and a plane passing through the center of the sphere.
（）is not a step for anchoring preparation.
If the winch should fail while you are hauling in the anchor，what prevents the anchor cable from running out（）.
A check line is（）.
Conventional anchors are least likely to hold in a bottom consisting of（）.
You are planning to anchor in an area where several anchors have been lost due to fouling.As a precaution，you should（）.
A “Mediterranean moor” should be used when（）.