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

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单项选择题

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