单项选择题
A.IBC code B.BC code C.IMDG code D.IGC code
The telegram AFTER UNLOADING PROCEED MANILA IN BALLAST ...
单项选择题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
The sign used to caution persons approaching the gangwa...
单项选择题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
The shipper must（）in a suitable manner dangerous goods ...
单项选择题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
