单项选择题
A.though B.tough C.through D.trough
In summer, monsoon over the South China Sea blows from（...
单项选择题In summer, monsoon over the South China Sea blows from（）.
A.northeast B.southwest C.southeast D.northwest
As to the torn bags,I’ll tell the shipper to（）them up.A...
单项选择题As to the torn bags,I’ll tell the shipper to（）them up.
A.Resew B.Rejoin C.Renail D.Resolder
The objectives of（）are to ensure safety at sea, prevent...
单项选择题The objectives of（）are to ensure safety at sea, prevention of human injury or loss of life, and avoidance of damage to the environment,in particular to the marine environment and to property.
A.COLREG B.IMDG C.ISM D.SOLAS
