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A、Conservation of forest is not an easy task. B、Smoking in forests is only allowed in some safer areas. C、Lightning accounts for
A、Conservation of forest is not an easy task. B、Smoking in forests is only allowed in some safer areas. C、Lightning accounts for
admin
2013-06-25
57
问题
Most forest fires are caused by human carelessness, negligence or ignorance. Forest fire prevention, therefore, is mainly a problem of creating a better understanding of the importance of forests, an awareness of the danger of fire in the woods and a sense of personal responsibility to safeguard the forests from danger.
This is not an easy job. A city dweller, used to paved streets, does not easily change his smoking habits when he goes into the woods. Careless smokers are responsible for thousands of forest fires each year. Many of these are started when cigarette butts and matches are tossed from automobiles. Others are caused by hunters, hikers, fishermen or woods workers who are careless in disposing of their smoking materials. The Forest Service has posted rules in many of the National Forests that prohibit smoking except in certain designated areas. Many of the states have laws against throwing lighted materials from automobiles. The prevention of smoker-caused fires, however, depends upon changing the attitudes and behavior of millions of people who smoke in hazardous areas. (26)
The most important natural cause of fire is lightning. This accounts for 11% of forest fires on protected land for the entire nation. In the Western States, lightning causes a much higher percentage of fires than it does in the East. Advances in knowledge of fire weather are helping forest protection forces to know when to be alert for lightning-caused fires. Adequate and well-equipped forces can control them quickly and hold the damage to a minimum. (27) Experiments in "seeding" thunder clouds to prevent or control the lightning itself have been in progress for many years, but new breakthroughs are needed for any significant reduction in the lightning strikes.
26. What is the solution to preventing smoker-caused forest fires?
27. How can lightning-caused fires be controlled quickly?
28. What can we learn from the passage?
选项
A、Conservation of forest is not an easy task.
B、Smoking in forests is only allowed in some safer areas.
C、Lightning accounts for most of forests fires.
D、New breakthroughs have been achieved to control lightning strikes.
答案
A
解析
推理题。文章开始谈到森林火灾主要是由人类的粗心大意、玩忽职守等引起的,防火的关键在于提高人们对防火重要性的认识,但这绝非易事;另外,闪电引发的火灾占到11%,对此也只能加派消防队员和增添较好的设备,其他方法还有待突破。综上所述可以推测出正确答案是A。B和C都不全面,两者综合即是答案。
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0
大学英语六级
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