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單項(xiàng)選擇題

Stow the derricks （）before sailing.

A. fore and aft
B. up and down
C. port and starboard
D. left and right

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單項(xiàng)選擇題

We secure and tighten the lashing bars for the containers with （）.

A. turnbuckles
B. lashing bars
C. twist locks
D. lashing wires

單項(xiàng)選擇題

（）are used to secure the two containers, one on top of the other.

A. Turnbuckles
B. Lashing bars
C. Twist locks
D. Lashing wires