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单选题
Any alteration of course and／or speed to avoid collision shall，if the circumstances of the case admit，（）to another vessel observing visually or by radar.
A
be large enough to be readily apparent
B
be a succession of small alterations
C
be with due regard to the power and speed of the vessel
D
leave sufficient room for the other vessel to take action
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A stand-on vessel is ______.A.required to give way in a crossing situationB.required to sound the first passing signal in a meeting situationC.free to maneuver in any crossing or meeting situation as it has the right-of-wayD.required to maintain course and speed in a crossing situation but may take action to avoid collision
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______is the speed of a vessel allowing time for effective action to be taken under prevailing circumstances and conditions to avoid a collision and to be stopped within an appropriate distance．A.Safe speedB.Economic speedC.Proper speedD.Navigation speed
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Five or more short blasts on a vessel’s whistle indicates that she is ______.A.in doubt that another vessel is taking sufficient action to avoid a collisionB.altering course to starboardC.altering course to portD.the stand-on vessel and will maintain course and speed
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单选题为了避免震动，用低速控制钮减低移动舱盖的速度。（）A
To avoid shock, reduce the speed of moving hatch cover by inching control.B
To avoid shock, reduce the speed of moving hatch cover by control levers.C
To avoid shock, reduce the position of moving hatch cover by inching control.D
To avoid shock, reduce the course of moving hatch cover by control levers.
考题
单选题A stand-on vessel is（）.A
required to give way in a crossing situationB
required to sound the first passing signal in a meeting situationC
free to maneuver in any crossing or meeting situation as it has the right-of-wayD
required to maintain course and speed in a crossing situation but may take action to avoid collision
考题
单选题If the circumstances admit，（）of small alteration of course and speed shall not be taken to avoid collision.A
depressionB
oppressionC
successionD
possession
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单选题If you are the stand-on vessel in a crossing situation，you may take action to avoid collision by your maneuver alone. When may this action be taken?（）.A
At any time you feel it is appropriateB
Only when you have reached extremisC
When you determine that your present course will cross ahead of the other vesselD
When it becomes apparent to you that the give-way vessel is not taking appropriate action
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单选题You are in charge of a stand-on vessel in a crossing situation.The other vessel is 1.5 miles to port.You believe that risk of collision exists.You should（）.A
take avoiding action immediately upon determining that risk of collision existsB
immediately sound the danger signalC
take avoiding action only after providing the give-way vessel time to take action ,and determining that her action is not appropriateD
hold course and speed until the point of extremis, and then sound the danger signal, taking whatever action will best avert collision
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单选题Two vessels are approaching each other near head on. What action should be taken to avoid collision?（）.A
The first vessel to sight the other should give wayB
The vessel making the slower speed should give wayC
Both vessels should alter course to starboardD
Both vessels should alter course to port
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单选题If necessary to avoid collision or allow more time to（）the situation，a vessel shall slacken her speed or take all way off by stopping or reversing her means of propulsion．A
accessB
processC
professD
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单选题Safe speed is defined as that speed where（）.A
you can stop within your visibility rangeB
the vessel is not subject to vibrationsC
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单选题You’d better（）your course to port to avoid collision.A
to alterB
alterC
alteringD
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单选题When you doubt the existence of risk of collision,（）.A
such risk shall be deemed to existB
such risk shall not be deemed to existC
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单选题When you doubt the existence of risk of collision,（）.A
such risk shall be deemed to existB
Such risk shall not be deemed to existC
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考题
单选题Five or more short blasts on a vessel’s whistle indicates that she is（）.A
In doubt that another vessel is taking sufficient action to avoid a collisionB
Altering course to starboardC
Altering course to portD
The stand-on vessel and will maintain course and speed
考题
单选题When two vessels are in immediate danger of collision，the stand-on vessel must（）.A
abandon shipB
assist in taking whatever action is necessary to avoid collisionC
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考题
单选题When shall the stand-on vessel change course and speed?（）A
the stand-on vessel may change course and speed at any time as it has the right of wayB
after the give-way vessel sounds one blast in a crossing situationC
when action by the give-way vessel alone cannot prevent collisionD
when the two vessels become less than half a mile apart
考题
单选题In a crossing situation，a stand-on vessel which is forced to take action in order to avoid collision with a vessel on her own port side shall，if possible，avoid（）.A
turning to portB
turning to starboardC
decreasing speedD
increasing speed
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单选题When in sight of another vessel，any action taken to avoid collision must（）.A
be accompanied by sound signalsB
not result in another close quarters situationC
include a speed changeD
All of the above
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单选题Any action to avoid collision shall,if the circumstances of the case admit,（）,made in ample time and with due regard to the observance of good seamanship.A
be initiativeB
be positiveC
be negativeD
be positively
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单选题When taking action to avoid collision，you should（）.A
Make sure the action is taken in enough timeB
Not make any large course changesC
Not make any large speed changesD
All of the above
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单选题If there is sufficient sea room，alteration of（）may be the most effective action to avoid close-quarters situation.A
speed and courseB
speed aloneC
course aloneD
speed or course
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单选题You are under sail and overtaking a tug and tow.Which action is correct（）.A
The power-driven tug must maneuver to avoid collisionB
You must maneuver to avoid the tug and towC
You must maneuver to avoid collision only if the tug is to leeward and the wind is on your port sideD
Both vessels are required to maneuver to avoid collision
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