A.maintain course and speed
B.alter course to give a wide clearance
C.report the whale's position to the Canadian Coast Guard
D.All of the above
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A.diving operations
B.dredging
C.fishing
D.mineclearance operations
A.engaged in underwater construction
B.under sail and power
C.a pilot vessel
D.trawling
A.three black shapes in a vertical line; the highest and lowest are balls，and the middle one is a diamond
B.three shapes in a vertical line; the highest and lowest are red balls，and the middle one is a white diamond
C.three black balls in a vertical line
D.two black balls in a vertical line
A.not under command
B.engaged on pilotage duty
C.restricted in her ability to maneuver
D.engaged in fishing
A.forward masthead light
B.after masthead light
C.stern light
D.All of the above
最新試題
A vessel or object being towed astern shall display a(n)（）.
A vessel is heading magnetic north and its magnetic compass indicates a heading of 003°. What action should be taken to remove this error during compass adjustment? （）
A vessel engaged in fishing，and at anchor，shall show（）.
A vessel is carrying three lights in a vertical line. The highest and lowest of these are red and the middle light is white. Which statement is always TRUE? （）
A vessel is “l(fā)isted” when it is（）.
A vessel entering the eye of a hurricane should expect（）.
A vessel not under command shall display（）.
A vessel showing a green light over a white light in a vertical line above the level of the sidelights is（）.
A vessel sighting a northern right whale dead ahead should（）.
A vessel is overtaking when she can see which light(s) of a vessel ahead?（）