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單項(xiàng)選擇題

（）are to be used for dunnage if you load rice.

A.wooden planks
B.rush mats
C.steel bars
D.wooden planks and rush mats

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單項(xiàng)選擇題

When loading a cargo of taconite，proper sequencing of loading by hatch number is necessary to （）.

A.provide the proper trim
B.prevent negative stability from developing
C.prevent excessive longitudinal stresses
D.control list

單項(xiàng)選擇題

Prior to being able to sail in a US port，each vessel that carries grain in bulk must have a certificate of loading issued by the（）.

A.American Bureau of Shipping
B.Lloyds of London
C.National Cargo Bureau
D.US Salvage