单项选择题
Where should muster lists be posted?（）
A.In crews accommodation spaces B.On the navigating bridge C.In the engine room D.All of the above
单项选择题 The best method of extinguishing a class A fire is to （）.
单项选择题 When approaching a fire from win ward, you should shield firefighters from the fire by using（）
单项选择题 Diesel fuel vapors （）.
