单项选择题
A.Use the CO2 system and evacuate the engine room
B.Use the fire main system and evacuate the engine room
C.Evacuate the engine room and use the CO2 system
D.Evacuate the engine room and use the fire main system
单项选择题 Your vessel is listing 4° to port and has a short rolling period. There is loose firefighting water in the hull. The ship is trimmed down by the head with one foot of freeboard at the bow. Which action should you take FIRST?（）
单项选择题 Your vessel is at a dock taking bunkers through a pipe laid down on the dock. If oil begins to flow out of a tank vent，what should you do FIRST?（）
单项选择题 Your vessel has just finished bunkering and has a small list due to improper distribution of the fuel oil. This list will cause（）.