Every lifebuoy shall be of a ___colour. A. highly visible B. highly invisible C. prominently visible D. prominently invisible

单选题

Every lifebuoy shall be of a ___colour.A. highly visible B. highly invisibleC. prominently visible D. prominently invisible

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单选题

Every lifebuoy shall be fitted with grab lines and well secured at ___ providing four loops of line.A. three equidistant points B. four equidistant pointsC. five equidistant points D. six equidistant points

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单选题

Every crew member shall participate in at least one abandon ship drill and one fire drill ___.A. every week B. every month C. per three month D. per assignment

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单选题

Every crew member shall participate in at least one abandon ship drill and one fire drill ___. The drills of the crew shall take place within ___hrs of the ship leaving a port if more than 25% of the crew have not participated in abandon ship and fire drills on board that particular ship in the previous month.A. every week, 24 B. every month, 24 C. every week, 48 D. every month,48

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单选题

___ shall be familiar with emergency duties before the voyage begins.A. All crew memberB. All senior offers and engineers and masterC. Every crew member with assigned emergency dutiesD. Every member on board

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