A.the engineer officer in charge of watch
B.the deck officer in charge of watch
C.the master
D.the chief mate
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A.3 years after making the first entry
B.2 years after the last entry
C.3 months after last entry
D.3 years after the last entry
A.port state control
B.flag state control
C.fire and boat drill
D.Safety inspection
A.additional
B.permanent
C.temporary
D.long
A.detergent
B.de-oiling
C.defrosting
D.demulsifying
A.defrosting
B.de-oiling
C.demulsifying
D.dehumidifying
A.dispersant;detergent
B.detergent;dispersant
C.dispersant;dispersant
D.detergent;detergent
A.oxidation resistance
B.carbon-forming tendency
C.demulsibility
D.acidity
A.lower than
B.higher than
C.as same as
D.better than
A.the worse
B.the better
C.the smaller
D.the greater
A.absolute value
B.relative value
C.constant value
D.set value
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