As to the torn bags,I’ll tell the shipper to（）them up.

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

单项选择题We took usual steps:sounding the depth, reversing and stopping engine,paying out anchor and 60 fathoms of chain cable in the depth of 12 fathoms.The operation above is（）.

A.berthing
B.searching
C.anchoring
D.picking up pilot

单项选择题Which of the following is not a factor which can interfere with the pulse of sound and cause a variation the depth reading?（）

A.salinity
B.temperature
C.the hydrostatic pressure
D.Vessel’s speed