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单选题
A vessel may exhibit lights other than those prescribed by the Rules as long as the additional lights（）.
A
are not the same color as either side light
B
have a lesser range of visibility than the prescribed lights
C
do not impair the visibility or distinctive character of the prescribed lights
D
All of the above
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更多 “单选题A vessel may exhibit lights other than those prescribed by the Rules as long as the additional lights（）.A are not the same color as either side lightB have a lesser range of visibility than the prescribed lightsC do not impair the visibility or distinctive character of the prescribed lightsD All of the above” 相关考题
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Nowadays children in this area are taught at school()at home, but 60 years ago no children were taught at school()those from rich families.
A、rather than; other thanB、other than; exceptC、other than; rather thanD、besides; except
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Which vessel may show three lights in a vertical line，the top and bottom being red and the middle being white?A.A vessel engaged in diving operationsB.A pilot vesselC.A vessel trawlingD.All of the above
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A vessel may exhibit lights other than those prescribed by the Rules as long as the additional lights ______.A.are not the same color as either side lightB.have a lesser range of visibility than the prescribed lightsC.do not impair the visibility or distinctive character of the prescribed lightsD.All of the above
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A vessel may use any sound or light signals to attract the attention of another vessel as long as ______.A.white lights are not usedB.red and green lights are not usedC.the signal cannot be mistaken for a signal authorized by the RulesD.the vessel signals such intentions over the radiotelephone
考题
A vessel towing astern in an operation which severely restricts the towing vessel and her tow in their ability to change course shall，when making way，exhibit ______.A.the masthead lights for a towing vesselB.the lights for a vessel restricted in its ability to maneuverC.sidelights，stern light and towing lightD.All of the above
考题
If your vessel is the stand-on vessel in a crossing situation ______.A.you must keep your course and speedB.you may change course and speed as the other vessel must keep clearC.the other vessel must keep her course and speedD.both vessels must keep their course and speed
考题
单选题If your vessel is the stand-on vessel in a crossing situation（）.A
You must keep your course and speedB
You may change course and speed as the other vessel must keep clearC
The other vessel must keep her course and speedD
Both vessels must keep their course and speed
考题
单选题When a vessel sees the other ahead or nearly ahead，by night she could see the masthead lights of the other in a line or nearly in a line or both side lights，（）shall be deemed to exist.A
head-on situationB
end-situationC
crossing situationD
close-quaters situation
考题
单选题You are on a vessel that cannot comply with the spacing requirement for masthead lights.What is required in this situation（）.A
The vessel must carry only the lights that comply with the rules; the others may be omittedB
The vessel's lights must comply as closely as possible，as determined by her governmentC
The vessel must be altered to permit full compliance with the rulesD
An all-round light should be substituted for the after masthead light and the stern light
考题
单选题The prohibition against displaying lights which may be confused with required navigation lights applies（）.A
from sunset to sunrise and during restricted visibilityB
only when other vessels are in the areaC
only when operating in a traffic separation schemeD
only when under tow
考题
单选题A vessel may use any sound or light signals to attract the attention of another vessel as long as（）.A
white lights are not usedB
red and green lights are not usedC
the signal cannot be mistaken for a signal authorized by the RulesD
the vessel signals such intentions over the radiotelephone
考题
单选题You see a vessel displaying three lights in a vertical line.The highest and lowest lights are red and the middle light is white.She is also showing a white light at the stern，which is lower than the forward light.It could be a（）.A
Survey vesselB
Vessel not under commandC
Vessel agroundD
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考题
单选题Which vessel may show three lights in a vertical line，the top and bottom being red and the middle being white? （）A
A vessel engaged in diving operationsB
A pilot vesselC
A vessel trawlingD
All of the above
考题
单选题A vessel towing astern in an operation which severely restricts the towing vessel and her tow in their ability to change course shall，when making way，exhibit（）.A
the masthead lights for a towing vesselB
the lights for a vessel restricted in its ability to maneuverC
sidelights，stern light and towing lightD
All of the above
考题
单选题A vessel may exhibit lights other than those prescribed by the Rules as long as the additional lights（）.A
do not interfere with the keeping of a proper look-outB
are not the color of either sidelightC
have a lesser range than the prescribed lightsD
All of the above
考题
单选题A power-driven vessel towing another vessel astern (tow less than 200 meters) shall show （）.A
three masthead lights in a vertical line instead of either the forward or after masthead lightB
two masthead lights in a vertical line instead of either the forward or after masthead lightsC
two towing lights in a vertical line at the sternD
a small white light aft of the funnel
考题
单选题A vessel，which does not normally engage in towing operations，is towing a vessel in distress.She（）.A
need not show the lights for a vessel engaged in towing，if it is impractical to do soB
may show the lights for a vessel not under commandC
must show a yellow light above the stern lightD
must show the lights for a vessel towing
考题
单选题Your vessel is NOT making way，but is not in any way disabled.Another vessel is approaching you on your starboard beam.Which statement is TRUE（）.A
Your vessel is obligated to stay out of the wayB
The other vessel must give way，since your vessel is stoppedC
You should be showing the lights or shapes for a vessel not under commandD
You should be showing the lights or shapes for a vessel restricted in her ability to maneuver
考题
单选题A vessel towing where the tow prevents her from changing course shall carry（）.A
only the lights for a vessel towingB
only the lights for a vessel restricted in her ability to maneuverC
the lights for a towing vessel and the lights for a vessel restricted in her ability to maneuverD
the lights for a towing vessel and the lights for a vessel not under command
考题
单选题A vessel constrained by her draft may display（）.A
three all-round red lightsB
two 225°red lightsC
three all-round blue lightsD
two 225°blue lights
考题
单选题A vessel constrained by her draft may display（）.A
three all-round red lights instead of the lights required for a power-driven vessel of her classB
the same lights as a vessel restricted in her ability to maneuverC
three all-round red lights in addition to the lights required for a power-driven vessel of her classD
the lights for a power-driven vessel which is not under command
考题
单选题A vessel towing astern in an operation which severely restricts the towing vessel and her tow in their ability to change course shall，when making way，exhibit（）.A
the masthead lights for a towing vesselB
the lights for a vessel restricted in its ability to maneuverC
sidelights，sternlight and towing lightD
All of the above
考题
单选题Which of the following statements is TRUE regarding automatic identification systems (AIS)? （）A
AIS is a short-range VHF-FM system that automatically broadcasts a vessel's position，course，speed and other safety related information to all those with similar equipment in the areaB
AIS is a one-way centrally managed system that requires the local VTS to send commands to instruct each vessel to broadcast position，course，speed and other safety related information to all those with similar equipment in the areaC
AIS is a global tracking system that relies upon INMARSAT C service to communicate vessel position，course，speed and other safety related information to all those with similar equipment in the areaD
AIS is a short-range 3 cm X-band radar system that automatically sends a vessel's position，course，speed and other safety related information to all those with similar equipment within the area
考题
单选题A vessel constrained by her draught may，in addition to the lights prescribed for power-driven vessels in Rule 23，exhibit where they can best be seen（）or a cylinder.A
two all-round red lights in a vertical lineB
three all-round red lights in a vertical lineC
two all-round yellow lights in a vertical lineD
three all-round green lights in a vertical line
考题
单选题A vessel towing is showing three forward white masthead lights in a vertical line. This means that the length of the（）.A
towing vessel is less than 50 metersB
towing vessel is greater than 50 metersC
tow is less than 200 metersD
tow is greater than 200 meters
考题
单选题If a towing vessel and her tow are severely restricted in their ability to change course，they may show lights in addition to their towing identification lights. These additional lights may be shown if the tow is（）.A
pushed aheadB
towed alongsideC
towed asternD
Any of the above
考题
单选题A vessel，which is unable to maneuver due to some exceptional circumstance，shall exhibit （）.A
during the day，three balls in a vertical lineB
during the day，three shapes，the highest and lowest being balls and the middle being a diamondC
when making way at night，two all-round red lights，sidelights，and a sternlightD
when making way at night，masthead lights，sidelights，and a sternlight
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