单项选择题 A certificated lifeboatman assigned to command the lifeboat should（）.

单项选择题 When in command of a lifeboat under oars，the command TOSS OARS means to（）.

单项选择题 Your ship is sinking rapidly. A container containing an inflatable liferaft has bobbed to the surface upon functioning of the hydrostatic release. Which action should you take?（）.