单项选择题
A.One man report the fire, and the other two men fight the fire
B.One man report the fire, one man fight the fire, and one man evacuate and secure the area
C.One man report the fire, one man fight the fire, and one man act as a safety observer
D.All three men fight the fire and report it immediately after it is extinguished
单项选择题 A new ocean going ship of 2000 gross tons having an inoperative oily water separator may dispose of its bilge slops by （）.
单项选择题 At the earliest indication of fire aboard your vessel, you must FIRST（）.
单项选择题 The device used for preventing the passage of flames into enclosed spaces is called a （）.