A.smelling the bottom
B.squatting
C.bank suction
D.bank cushion
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A.the masthead lights for a towing vessel
B.the lights for a vessel restricted in its ability to maneuver
C.sidelights，stern light and towing light
D.All of the above
A.only a stern light
B.a towing light above the stern light
C.two towing lights in a vertical line
D.two white lights in a vertical line
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
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
最新試題
A vessel is “in sight” of another vessel when（）.
A vessel sighting a northern right whale dead ahead should（）.
A vessel may use any sound or light signals to attract the attention of another vessel as long as（）.
A vessel traveling down a narrow channel，especially if the draft is nearly equal to the depth of the water，may set off the nearer side. This effect is known as（）.
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? （）
（）is due，in spite of that the salvage services have been rendered by or to vessel belonged to the same owner.
A vessel sailing shall keep out of the way of all of the following vessels except a vessel （）.
A vessel is heading magnetic northwest and its magnetic compass indicates a heading of 317°. What action should be taken to remove this error during compass adjustment? （）
A vessel is considered to be “restricted in her ability to maneuver” under the Rules if she is （）.
A vessel is “l(fā)isted” when it is（）.