單項(xiàng)選擇題There isn’t any separation()the copper bars.

A.in
B.over
C.among
D.between


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1.單項(xiàng)選擇題These weights are()the ship’s discharging facilities.

A.out
B.beyond
C.from
D.off

2.單項(xiàng)選擇題Tide is()in direction ENE.

A.getting
B.setting
C.being
D.having

4.單項(xiàng)選擇題Traffic lanes()on this chart are recommended for use by all vessels.

A.show
B.showed
C.showing
D.shown

5.單項(xiàng)選擇題Vessels must navigate()caution in this area.

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