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單項(xiàng)選擇題

（）water is the water in the hold to keep the ship’s stability.

A.Bilge
B.Ballast
C.Slop
D.Sanitary

單項(xiàng)選擇題

Odorous cargoes are those that（）.

A.are exceptionally dusty and leave a residue
B.are liquid but are in containers
C.are susceptible to damage by tainting
D.give off fumes that may damage other cargoes