When two vessels are in immediate danger of collision, the stand-on vessel must ____ A. abandon ship B. assist in taking whatever actionis necessary to avoid collision C. hold course and speed D. sound a distress signal

单选题

When two vessels are in immediate danger of collision, the stand-on vessel must ____ A. abandon shipB. assist in taking whatever actionis necessary to avoid collisionC. hold course and speedD. sound a distress signal

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单选题

In which case would an overtaking vessel sound a whistle signal of two prolonged followed by one short blast?A. When overtaking in restricted visibilityB. When overtaking in a narrow channelC. When overtaking on open watersD. When no other vessels are in the immediate area

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单选题

When two power-driven vessels are crossing, the vessel which has the other to starboard must keep out of the way if ____ .A. she is the faster vesselB. the situation involves risk of collisionC. the vessels will pass within half a mile of each otherD. whistle signals have been sounded

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单选题

A vessel the passage of which is not to be impeded ____to comply with this Rule when the two vessels are approaching one another so as to involve risk of collision.A. remains fully obliged B. has no obligationC. is not necessarily D. is exempted

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单选题

Two vessels are meeting head-on. How must the vessels pass?A. One vessel must alter course while the other must continue on its courseB. The vessels should determine which will alter course by sounding whistle signalsC. Both vessels should alter course to port and pass starboard to starboardD. Both vessels should alter course to starboard and pass port to port

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