Believe it or not, optical
illusion(错觉)can cut highway crashes. (78) {{U}}Japan is a case in
point. {{/U}}(79) {{U}}It has reduced automobile crashes on some roads by nearly 75
percent using a simple optical illusion. {{/U}}Bent 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.
(80) {{U}}Excessive speed plays a major role in as much as one fifth of all
fatal traffic accidents, according to the foundation.{{/U}} To A. a new way of highway speed control B. a new approach to training drivers C. a new pattern for painting highways D. a new type of optical illusion
[单项选择]The engine is ______ at 6,000 revolutions per minute. A. turning in B. turning off C. turning over D. turning to
[单项选择]Our teacher asked us to do a ______ writing after class. A. three- hundred- word B. three- hundred - words C. three- hundreds- word D. three 2. hundreds- words
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