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單項(xiàng)選擇題

Can we change the location for the tung-oil（）that for the gum rosin?

A.by
B.for
C.into
D.with

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Cargoes which（）an explosive, inflammable, poisonous and corrosive nature are called dangerous goods.

A.is
B.are of
C.is of
D.are

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Collision rules（）apply to all vessels upon the high seas.

A.should
B.must
C.shall
D.have to

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