The longer an oil fire is permitted to burn, the （）.
Fire dampers prevent the fire spreading through the process of （）.
A burning AC motor would be considered what class of fire?（）
The fire of burning plastics is classified as （） fire.
Fire dampers prevent the spread of fire by（）.
The selection of an oil depends （） on the operating conditions, the design of the engine and the type of fuel to be burned.
Which of the listed burning materials would be described as a class "B" fire?（）
A diesel engine burns （） a gasoline engine of the same capacity in the same period of time.
The fire of sodium is classified as（） fire.
Burning diesel oil should be treated as which class of fire?（）
Impact factors reflect the quality of individual papers.
In the ancient festival of Saturnalia ______ used to burn the effigy of the king of ancient Saturnalia.
Is oxygen the only gas ( ) helps fire burn?
Robert Burns is the national poet of ：
Robert Burns is the best known of the poets who have written in the ( ) dialect.
Which of the following is Not true about Robert Burns?
Robert Burns is the best known of the poets who have written in the ( ) dialect.
What is the tone of an academic paper?
Why can explosives be used to stop the fire from burning?
Which of the following is WRONG about the abstract of scientific paper?
Is oxygen the only gas______helps fire burn？
Withnothing_to burn，the fire became weak and finally diedout（）
One of the requirements for a fire is that the material______to its burning temperature（）
