单项选择题

A.under deckB.on deckC.ondeck onlyD.under deck onlyDang……

Dangerous goods required to be “carried on deck only” should not be carried on closed vehicle decks，but may be carried on open vehicle deck when authorized by the competent authority concerned. （）

A.under deck
B.on deck
C.ondeck only
D.under deck only

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单项选择题Cottonseed oil is classed as a（）.

A.combustible liquid
B.flammable liquid
C.flammable solid
D.poison B

单项选择题Corrosive liquids and acids should have what kind of label? （）

A.Skull and crossbones
B.Yellow
C.Red
D.White

单项选择题COMPATIBILITY OF GOODS states（）.

A.the method for the proper stowage of a dangerous cargo
B.the necessity of lashing，securing and piling of awkward or lengthy cargo
C.whether different goods can be stowed together in one hold
D.ventilation method for hydrous cargo

单项选择题Certain dangerous goods are required “to be stowed in a mechanically ventilated space”. When such goods are carried in a closed Ro Ro cargo space or a special category space，this space should（）.

A.be mechanically operated
B.be temperature controlled
C.be mechanically ventilated
D.not allow to run its refrigeration or heating equipment

单项选择题Certain cargoes must be segregated because of their（）.

A.inherent characteristics
B.weight
C.destination
D.danger to humans