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單項(xiàng)選擇題

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

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單項(xiàng)選擇題

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

單項(xiàng)選擇題

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

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