单项选择题

Spontaneous ignition can result from（）.

A.an unprotected drop-light bulb
B.careless disposal or storage of material
C.smoking in bed
D.worn electrical wires on power tools

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单项选择题

A.for 1 year
B.for 2 years
C.until the next Coast Guard inspection
D.until the vessel's Certificate of Inspection expires

单项选择题

A.the ship has been named
B.the ship has been built
C.the ship has been signed
D.the ship has been registered

单项选择题

A.Master of the vessel
B.USCG Officer in Charge of Marine Inspection
C.Owner or operator of the vessel
D.Company's personnel director