You will extinguish a fire when you re

1、To extinguish an electrical fire, you

To extinguish an electrical fire, you should use （）.Amechanical foamBchemical foamCcarbon dioxideDsoda acid

2、Will you（）me a favor, please?

Will you（）me a favor, please?AdoBmakeCbringDgive

3、When you are firing a pyrotechnic dist

When you are firing a pyrotechnic distress signal，it should be aimed（）.Ahorizontally and directly abeam of your vesselBat the vessel whose attention you want to attractCinto the windDat greater than 60 degrees above the horizo

4、Removing which will extinguish a fire?

Removing which will extinguish a fire?（）.ANitrogenBCarbon dioxideCSodiumDOxyge

5、When fighting an electrical fire, you

When fighting an electrical fire, you should first （）.Astop ventilation to the areaBstop the vesselCsecure electricity to the circuitDapply CO2 to the fire

6、Removing which will extinguish a fire?

Removing which will extinguish a fire?（）.AnitrogenBCarbon dioxideCSodliumDOxyge