A、Any one component can be eliminated to extinguish a fire B、Any two components must be eliminated to properly extinguish a fire C、Any three components must be eliminated to properly extinguish a fire D、Ali four components must be eliminated to extinguish any fire

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第7题

[单选题] If at any time the officer in charge of the navigational watch is to be relieved when a manoeuvre or other action to avoid any hazard is taking place,（）.

A、the relief of that officer shall be made prior to such action has been completed B、the relief of that officer shall never be made C、the relief of that officer shall be deferred until such action has been completed D、the relief of that officer shall be made by the captain

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第8题

[判断题] If you have any questions, please feel free to interrupt at any time. This sentence means if you have something that you don’t understand, you can make a break in at any time.

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第9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、A.be large enough to be readily apparent B、B.be a succession of small alterations C、C.be with due regard to the power and speed of the vessel D、D.leave sufficient room for the other vessel to take action

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