单项选择题
Carry （）（手提灭火器）to the fire place.
A. extinguishers B. portable extinguishers C. dry foam extinguishers D. CO2 extinguishers
单项选择题 The muster station is usually on （）(艇甲板).
单项选择题 Fire drill is （）（执行）once a month.
单项选择题 Any emergency pump situated outside （）（机舱）should also be started.
