单项选择题
The basic training in fire prevention and fire fighting should include the practical elements which should allow the trainees to acquire the ability to （）.
A.use self-contained breathing apparatus
B.use various types of portable fire extinguishers
C.effect a rescue in a smoke-filled space wearing breathing apparatus
D.All of the above
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STCW shall apply to seafarers（） on board seagoing ships entitled to fly the flag of a Party.
A.served
B.serving
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D.surveying -
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While loading bunkers, you notice oil on the water near the vesselWhat should you do first?（）
A.Stop loading
B.Notify the harbour administration
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In discussing oil pollution, one important fact to remember is that the problem remains the same （） heavy （） light oil is spilled into the water.
A.both；and
B.whether；or
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D.because；so
