單項選擇題

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

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單項選擇題

You’d better use （）to remove the oil on the plates.

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

單項選擇題

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