智慧职教: This entrance is to be used only _____ fire.
举一反三
- CO2 fire extinguishers are used for putting out electrical fire. A: 正确 B: 错误
- 智慧职教: CategoryB2=Eis to be used only for broadcasting.
- Though sea water is the best mode of fighting fire, the main emergency fire fighting system can only be used on fires of ________.
- The fire has destroyed the house. The house ________________ by the fire.
- An emergency _______ is very important in case of fire. A: exit B: entrance C: gate D: door