单项选择题
A.place for people to lie down B.means for rigging the sail C.place for rowers to brace their feet D.suitable means for water to drain below the footings
PULL THE STRINGS AROUND YOUR WAIST AND TIE IN FRONT. Th...
单项选择题PULL THE STRINGS AROUND YOUR WAIST AND TIE IN FRONT. This description is likely used in（）.
A.fire fighting operations B.salvage operations C.cargo operations D.manoeuvering operations
Prior to lowering the lifeboat，the most important item ...
单项选择题Prior to lowering the lifeboat，the most important item to check is the（）.
A.oars B.sail C.boat plug D.life preservers
On open lifeboats，the purpose of the wire stretched bet...
单项选择题On open lifeboats，the purpose of the wire stretched between the davit heads is to（）.
A.keep the movement of the davits at the same speed B.keep the davits from slipping when they are in the stowed position C.prevent vibration during lowering of the boat D.support the manropes
