单项选择题

Tools and instruments belong to（）.

A.raw materials
B.consumable products
C.finished metalic products
D.raw metallic products

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单项选择题

When loading or unloading baled cargo on board,the straps（）to lift or drag the bales.

A.are forbidden
B.are allowed
C.can be used
D.are usually used

单项选择题

Raw materials belong to（）.

A.hazardous cargo
B.non-hazardous cargo
C.food product
D.consumable product

单项选择题

Which of the following statements about general cargoes is not correct?（）

A.General cargoes are neither liquid nor solid bulk cargo
B.General cargoes are packaged hazardous cargoes
C.General cargoes are also called breakbulk cargoes
D.General cargoes are mostly carried on container ships now