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單項選擇題

A vessel emitting harmful substances into the air or spilling oil into the sea is a（）.

A.polluter
B.emitter
C.spiller
D.oiler

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單項選擇題

A vessel restricted by its ability to manoeuver by the nature of its work or its deep draft is（）.

A.hampered vessel
B.giving way vessel
C.vessel not under control
D.disabled vessel

單項選擇題

A vessel, other than a rescue unit, designated to co-ordinate surface search and rescue operation within a specified area is known as（）.

A.salving vessel
B.co-ordinator surface search
C.mersar
D.the vessel being salved