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  3. Believe it or not, optical illusion(错觉)can cut highway crashes. Japan is a c

Believe it or not, optical illusion(错觉)can cut highway crashes. Japan is a c

游客2025-03-12  26
问题     Believe it or not, optical illusion(错觉)can cut highway crashes. Japan is a case in point. It has reduced automobile crashes on some roads by nearly 75 percent using a simple optical illusion. Bent strips, called chevrons(人字形), painted on the roads make drivers think that they are 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 strips on selected roads around the country to test how well the patterns reduce highway crashes.
    Excessive speed plays a major role in as much a 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 are the greatest curves(弯), exit slopes, traffic circles, and bridges.
    Some studies suggest that straight, horizontal bars(水平障碍物)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 passage mainly discusses______.
选项 A、a new way of highway speed control
B、a new pattern for painting highways
C、a new way to training drivers
D、a new type of optical illusion
答案 A
解析 本题为主旨大意题，提问的是这篇文章主要讨论的是下列哪项话题。通读全文可知，文章主要讲的是一种利用视觉错觉来控制高速公路车速的方法，所以答案为A)。
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