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單項(xiàng)選擇題

In case of accidents（）the risk of sinking,all effective measures shall be taken to steer clear of the fairway to avoid（）the traffic.

A.involving/impeding
B.involved/to impede
C.involving/to impede
D.involved/impeding

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單項(xiàng)選擇題

In each inflatable rescue boat , what piece of equipment is provided to make quick , emergency,temporary repairs to a large hole in a raft?（）.

A.No equipment is provided
B.Glue and rubber patches
C.Several various-sized sealing clamps
D.Self-adhesive rubberized canvas patches

單項(xiàng)選擇題

In handing break bulk hazardous materials , it is forbidden to use（）.

A.cargo nets
B.metal bale hooks
C.pallets
D.slings

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