单项选择题

For cargoes（）grain meals，coal，ventilation is needed to prevent them（）spontaneous combustion.

A.i.e.／of
B.for instance／away
C.for example／off
D.such as／from

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单项选择题

A.cargo which occupies a large volume of space
B.cargo which requires refrigeration
C.cargo which is very dense
D.homogeneous cargo not enclosed in a container

单项选择题

Before loading bulk grain，bilge wells must be covered to（）.

A.add strength to the bilge well strainer
B.permit rapid flow of water to the bilge wells
C.prevent cargo sifting into the bilge wells
D.prevent oil，water，or other liquid from reaching the cargo

单项选择题

Bags are usually stowed in between the bulk grain（）.

A.to ventilate the hold
B.to separate the cargo
C.to replace shifting boards
D.to facilitate stowage