单项选择题
A. Turnbuckles B. Lashing bars C. Twist locks D. Lashing wires
（）are used to secure the second and the third tiers of ...
单项选择题（）are used to secure the second and the third tiers of containers.
Get ready for （）the cargo on deck.A. lashing and secure...
单项选择题Get ready for （）the cargo on deck.
A. lashing and secure B. lash and securing C. lashing and securing D. lash and secure
We’ll finish （）cargo before long.A.loadingB.loadC.loade...
单项选择题We’ll finish （）cargo before long.
A.loading B.load C.loaded D.loads
