The rubbish should be collected on the poop deck and disposed of （）miles off the land.

单项选择题The rubbish should be collected on （）and disposed of 25 miles off the land.

A. the poop deck
B. the main deck
C. the forecastle deck
D. lower deck

单项选择题You’d better use （）to remove the oil on the plates.

A.water
B.sand
C.saw dust
D.derrick

单项选择题After leaving the port, we used （）to clean the empty holds and decks.

A. fresh water
B. sea water
C. both A and B
D. ballast water

单项选择题Everything on the bridge should （）clean and tidy.

A.kept
B.keep
C.be kept
D.keeping

单项选择题Decks, superstructure and hand rails may be washed with （）water at sea.

A.sea
B.ballast
C.fresh
D.cement