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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A.served
B.serving
C.surveyed
D.surveying
A.Stop loading
B.Notify the harbour administration
C.Determine if the vessel is the source of the pollution
D.Start the main engine and put them in gear to disperse the spill
A.both；and
B.whether；or
C.neither；nor
D.because；so
A.Assembly
B.Organization
C.Company
D.Administration
A.a regional
B.the best
C.an international
D.an ideal
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