單項(xiàng)選擇題Raw la quer is()corrosive nature.

A.in
B.of
C.on
D.with


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1.單項(xiàng)選擇題Roll-on/roll-off ships are equipped with().

A.cargo elevators
B.conveyor belts
C.ramps
D.derricks and winches for cargo handling

2.單項(xiàng)選擇題Shall we()wait at the roadstead till there is a free berth for us?

A.must
B.ought to
C.have to
D.never

3.單項(xiàng)選擇題Ship is()position.

A.in
B.on
C.of
D.at

4.單項(xiàng)選擇題Ships are always()on water and they are easy to rust.

A.float
B.floating
C.floats
D.floated

5.單項(xiàng)選擇題Six containers will be loaded()deck.

A.in
B.at
C.on
D.for