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（）.
单项选择题 Certain cargoes must be segregated because of their（）.
单项选择题 Cargoes which（）an explosive，inflammable，poisonous and corrosive nature are called dangerous goods.