单项选择题
（）of this deratting exemption certificate is hereby extended until 4th 0ct.1988 as the vessel is laden with cargo.
A.Validity
B.Valid
C.Validation
D.The coming into force
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相关考题
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单项选择题
As matter of fact, the damage to the winches was due to（）.
A.insufficiency of packaging
B.inherent vice of the cargo
C.improper stowage
D.rough handling -
单项选择题
Because of（）,no separation is needed for the cargoes destined for New York.
A.their different packing
B.their same nature
C.their different destinations
D.their different natures -
单项选择题
BHP stands for the（）of the main engine.
A.breadth dimension
B.builder's name
C.brake horsepower
D.revolutions per minute
