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While drunken driving may be decreasing, traffic safety experts remain troubled over how to cope with another alcohol-related pr

admin2018-05-22  60
问题    While drunken driving may be decreasing, traffic safety experts remain troubled over how to cope with another alcohol-related problem: drunken pedestrian(行人). Studies have shown that pedestrians injured and killed by cars are often extremely drunk.
   Some types of pedestrian accidents have been decreasing in the U. S. , especially those involving children, but the number of drunken adult pedestrians killed in traffic has remained relatively constant at 2500 a year. The total number of pedestrians killed annually in traffic accidents is at least 7000 or one of every seven highway deaths.
   Studies have revealed some of the causes, including a lack of adult supervision(监督)for children, long delays in traffic signals that encourage jaywalking(无视交通规则任意行走), less attention paid to pedestrian accidents in the past, and few methods to regulate walking habits. However, the most challenging problem, according to some experts, is alcohol-related, although pulled, researchers are making great efforts to find ways against the drunken pedestrian accidents.
The annual number of highway deaths is about______.
选项 A、49,000
B、7000
C、2500
D、1000
答案A
解析 推理判断题。由第二段最后一句可知，每年在交通事故中死亡的总人数 至少为7000，是高速死亡人数的七分之一，所以可以推算出the annual number of highway deaths是7000×7=49000。故选A。
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