单选题The basic training in fire prevention and fire fighting should include the theoretical elements which should cover （）.Athe three elements of fire and explosionBlower and upper flammable limitsCclassification of flies and applicable extinguishing agentsDAll of the above
单选题
The basic training in fire prevention and fire fighting should include the theoretical elements which should cover （）.
A
the three elements of fire and explosion
B
lower and upper flammable limits
C
classification of flies and applicable extinguishing agents
D
All of the above
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When will the fire department come to conduct a fire prevention inspection in our company?A. Next month. I’ve checked hydrants and fire-extinguishers on each floorB.Next day. The manager will check hydrants and other equipment in the building.C.Next week. But hydrants and fire extinguishers on each floor has already been checkedD.The day before yesterday. I had already checked hydrants and fire extinguishers on each floor.
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