A.thoughB.toughC.throughD.troughThe lowest point betwee……

单项选择题In summer, monsoon over the South China Sea blows from（）.

A.northeast
B.southwest
C.southeast
D.northwest

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

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

单项选择题Metal drums should be stowed（）with dunnage between tiers.

A.athwart
B.on end
C.bilge and cantline
D.bed

单项选择题Which of below device has the maximum coverage range（）

A.AIS
B.Radar
C.VHF
D.LRIT