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Believe or not, optical illusion(错觉)can cut highway crashes. Japan is a case
Believe or not, optical illusion(错觉)can cut highway crashes. Japan is a case
游客
2024-01-15
9
管理
问题
Believe or not, optical illusion(错觉)can cut highway crashes. Japan is a case in point. It has reduced automobile crashes to some roads by nearly 75 percent using a single optical illusion. But stripes, called chevrons(人字形), painted on the roads make drivers think that they are driving faster than they really are, and thus drivers slow down.
Now the American Automobile Association Foundation for Traffic Safety in Washington D. C. is planning to repeat Japan’ s success. Starting next year, the foundation will paint chevrons and other patterns of stripes on selected roads around the country to test how well the patterns reduce highway crashes. Excessive(too great)speed plays a major role in as much as one fifth of all fatal traffic accidents, according to the foundation. To help reduce those accidents, the foundation will conduct its tests in areas where speed-related hazards(danger)are the greatest curves, exit slopes, traffic circles, and bridges.
Some studies suggest that straight, horizontal bars painted across roads can initially cut the average speed of drivers in half. However, traffic often returns to full speed within months as drivers become used to seeing the painted bars. Chevrons, scientists say, not only give drivers the impression that they are driving faster than they really are but also make a lane appear to be narrower. The result is a longer lasting reduction in highway speed and the number of traffic accidents. [br] The advantage of chevrons over straight, horizontal bars is that the former______.
选项
A、can keep drivers awake
B、can cut road accidents in half
C、will look more attractive
D、will have a longer effect on drivers
答案
D
解析
细节归纳题。第三段未提及A、C,B项是horizontal bars的优点,但持续效果不佳。第三段的最后部分,科学家说人字形的道路标志,不仅能让司机感觉到好像他们驾驶的速度太快,需要减速,而且还会让司机感觉到车道看起来变窄了。结论就是人字形的标志在控制驾车速度和减少事故数量方面有更长久的效果。所以答案是D。
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