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單項(xiàng)選擇題

Which item is NOT required to be marked with the vessel’s name?（）

A.Hand-portable fire extinguisher
B.Life preserver
C.Immersion suit
D.Lifeboat oar

單項(xiàng)選擇題

Which is TRUE concerning immersion suits and their use?（）

A.Only a light layer of clothing may be worn underneath
B.They provide sufficient flotation to do away with the necessity of wearing a life jacket
C.They should be tight fitting
D.A puncture in the suit will not appreciably reduce its value