單項(xiàng)選擇題Vessels carrying（）must not willfully wash decks or holds.

A.general cargo
B.steel products
C.harmful cargo
D.machinery


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1.單項(xiàng)選擇題The transportation of dangerous cargo in packages is governed by（）.

A.IBC code
B.BC code
C.IMDG code
D.IGC code

2.單項(xiàng)選擇題The telegram AFTER UNLOADING PROCEED MANILA IN BALLAST indicates that the ship will proceed to Manila（）.

A.with dangerous cargo
B.for discharging
C.with no cargo on board
D.for taking ballast

3.單項(xiàng)選擇題The sign used to caution persons approaching the gangway of a tank barge during cargo transfer reads（）.

A.Warning，Keep Off，Stay Clear
B.Danger，Do Not Board
C.Warning，No Smoking，No Open Lights，No Visitors
D.Dangerous Cargo Being Transferred

4.單項(xiàng)選擇題The shipper must（）in a suitable manner dangerous goods as dangerous.

A.mark or label
B.write or sign
C.type or stamp
D.print or paint

5.單項(xiàng)選擇題The nozzle of a gasoline hose or can should be kept（）.

A.in contact with the fill opening to guard against static spark
B.from making contact with the fill opening to guard against static spark
C.in contact with the fill opening to allow proper venting
D.None of the above