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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  50
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.
Among the causes for walker’ s accidents, the most challenging is______.
选项 A、long delays in traffic signals
B、drunken pedestrians
C、lack of adult supervision for children
D、few methods to regulate walking habits
答案B
解析 事实细节题。由第三段第二句“However，the most challenging problem…is alcohol—related…the drunken pedestrian accidents．”可知，最挑战性的问题是喝醉的行人(drunken pedestrians)。故选B。
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