单项选择题
A. fire mask B. fireboat C. top derrick D. davit motor
Carry （）（手提灭火器）to the fire place.A. extinguishersB. por...
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
The muster station is usually on （）(艇甲板).A. boat deckB....
单项选择题The muster station is usually on （）(艇甲板).
A. boat deck B. the bridge C. engine room D. main deck
Fire drill is （）（执行）once a month.A. carry outB. carried...
单项选择题Fire drill is （）（执行）once a month.
A. carry out B. carried out C. carrying out D. carry on
