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单选题
When you doubt the existence of risk of collision,（）.
A
such risk shall be deemed to exist
B
Such risk shall not be deemed to exist
C
You should keep your course and speed
D
You needn‟t take any action to avoid collision with any vessel
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考题
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考题
单选题Risk of collision may be deemed to exist（）.A
if the compass bearing of an approaching vessel does not appreciably changeB
even when an appreciable bearing change is evident, particularly when approaching a vessel at close rangeC
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单选题Risk of collision is considered to exist if（）.A
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a special circumstance situation is apparent
考题
单选题You hear the fog signal of another vessel forward of your beam.Risk of collision may exist.You MUST（）.A
Reduce speed to bare steeragewayB
Stop your enginesC
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考题
单选题You are underway in thick fog. You have not determined if risk of collision exists. Which statement is TRUE?（）.A
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考题
单选题When two power-driven vessels are meeting head-on and there is a risk of collision,each shall（）.A
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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
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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
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考题
单选题A vessel is in sight of another vessel when she（）.A
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单选题When you doubt the existence of risk of collision,（）.A
such risk shall be deemed to existB
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you needn't take any action to avoid collision with any vesselD
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单选题Risk of collision may exist（）.A
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考题
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stop your enginesB
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考题
单选题You are underway in thick fog.You have not determined if risk of collision exists.Which statement is true?（）A
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考题
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考题
单选题If in doubt as to the true water level when a boiler is being oil-fired, you should （）.A
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has no obligationC
is not necessarilyD
is exempted
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单选题You are approaching another vessel and are not sure whether danger of collision exists. You must assume（）.A
there is a risk of collisionB
you are the give-way vesselC
the other vessel is the give-way vesselD
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考题
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
考题
单选题In determining if risk of collision exists，if there is any doubt，such risk shall be deemed to（）.A
existB
existsC
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to be existed
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单选题Federica expressed doubt about the existence of true altruism, claiming that no one makes a sacrifice without expecting it to be ______ in one form or another.A
requitedB
repudiatedC
portendedD
rescindedE
expropriated
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