单项选择题
When a ship is abandoned, all of the crew members hearing the alarm sounding should put on ().
A. the life-jackets and carry the belongings first. B. the life-jackets and carry the lifebuoys first C. the life-jackets and gather at muster station first D. the life-jackets and call the captain.
单项选择题 ()the moving parts on the davit of the lifeboat.
单项选择题 If there is a fire in a hold, what should you do?()
单项选择题 () must know the location as well as the operation of the life-saving and fire-fighting appliances.