Sulfuric acid is a（）.

单项选择题Sometimes charter-party expressly prohibit the loading of dangerous goods，but sometimes a Charterer is entitled by an express term to load them provided that due notice is given （）.

A.to the master
B.the charterer
C.the merchant
D.receiver

单项选择题Raw lacquer is（）corrosive nature．

A.in
B.of
C.on
D.with

单项选择题Persons engaged in the transport of dangerous goods shall（）training in the contents of dangerous goods requirements commensurate with their responsibilities.

A.have
B.make
C.take
D.receive

单项选择题Outlets in gasoline fuel lines are（）.

A.permitted for drawing fuel samples
B.permitted for draining fuel from lines
C.permitted for bleeding air from lines
D.prohibited

单项选择题Many dangerous cargoes are stowed on deck because of the（）.

A.danger to crew and cargo
B.necessity of periodic inspection
C.possible need to jettison
D.All of the above