A.black and green bands
B.red and green bands
C.red and yellow bands
D.yellow and green bands
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A.channel junctions
B.bifurcations
C.fishing traps
D.wrecks or obstructions
A.an anti-clockwise direction around land masses
B.a clockwise direction around land masses
C.an anticlockwise direction around sea masses
D.a clockwise direction around sea masses
A.the lantern panes of unattended lights may not become covered with ice or snow
B.the lantern panes of unattended lights may become covered with ice or snow
C.ice or snow is likely caused colored
D.the white lights are likely caused to appear colored
A.enter the traffic separation zone in an emergency
B.cross a traffic lane
C.engage in fishing in the separation zone
D.proceed in an inappropriate traffic lane
A.power-driven vessel following a traffic lane
B.pilot vessel enroute to a pilot station
C.law enforcement vessel
D.All of the above
最新試題
You are running parallel to the coast and take a running fix using bearings of the same object.If you are making less speed than used for the running fix，in relation to the position indicated by the fix，you will be（）.
When towing astern，increased catenary will（）.
When liquid is free to move transversely in a tank，the effect is called（）.
When using the anchor to steady the bow while approaching a dock you must be aware of the fact that（）.
You are approaching a vertical lift bridge.You know the span is fully open when（）.
In regions where ice conditions prevail in the winter，（）.
The term of Landfall means（）.
The Light List shows a lighted aid to navigation on the left bank. This means that the light can be seen on the starboard side of a vessel（）.
Preferred channel marks are colored with（）．
Which effect does speed through the water have on a vessel which is underway in shallow water （）.