A.A bell signal
B.A gong signal
C.A whistle signal
D.All of the above
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A.underway but not making way
B.making way，not under command
C.not under command，not making way
D.trolling underway
A.I intend to meet you starboard to starboard
B.I do not intend to hold course and speed
C.I intend to overtake you on your port side
D.I intend to alter my course to port
A.A power-driven vessel
B.A vessel engaged on pilotage duty
C.A vessel dredging
D.A vessel restricted in her ability to maneuver
A.not under command
B.being towed
C.on pilotage duty
D.aground
最新試題
A vessel towing where the tow prevents her from changing course shall carry（）.
A vessel towing is showing three forward white masthead lights in a vertical line. This means that the length of the（）.
Daymarks marking the starboard side of the channel when going towards the sea are（）.
By night，you sight the lights of a vessel engaged in underwater operations. If an obstruction exists on the port side of the vessel，it will be marked by（）.
An occulting light is one in which（）.
A triangular daymark would be colored（）.
As defined in the Rules，a towing light is a yellow light having the same characteristics as a(n)（）.
The International Regulations for Preventing Collisions at Sea contain the requirements for （）.
An inconspicuous，partly submerged vessel or object being towed，where the length of tow is 100 meters，shall show（）.
Some lights used as aids to marine navigation have a red sector to indicate a danger area. The limits of a colored sector of a light are listed in the Light List in which of the following manners?（）