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根据下面内容，回答题：
People often speak of fire as though it were a living creature——It grows， dances， needs oxygen，feeds on whatever it can find， and then dies. And when a forest fire rages out of control， threatening human lives and homes， it must be fought like a "wild animal. " The fight is often desperate， since firefighters" best efforts may be dwarfed by the fury of a large fire. But the fire"s own traits can be used

against it. The heated air above a fire rises in a pillar of smoke and burnt gases， pulling fresh air in from the sides to replace it. Firefighters use this fact when they "fight fire with fire. " They start a fire well in front
Even when a backfire has been well set， however， the fire may still win the struggle. The wind which the firefighters used to help them may now become their enemy. When the backfire meets the main fire， before both die for lack of fuel， there is tremen
A.how fires start
B.damage caused by fire
C.the fascination of fire
D.fighting forest fires

试题出自试卷《2015年成人高考专升本《英语》深度预测卷（4）》

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