Now the American Automobile Association Foundation for Traffic Safety in Washington D.C. is planning to repeat Japans success. Starting next year, the foundation will paint cheverons 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. To help reduce those accidents, the foundation will carry its tests in areas where speed-related hazards are the greatest curves, exit slopes, traffic circles, and bridges.
Some studies suggest that straight, horizontal barspainted 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.
Cheverons, 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.
The passage mainly discusses ________.
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
SAT写作开头解析之action and information
SAT写作例子如何准备?
2014年6月SAT写作真题题目及翻译
SAT作文例子之Lance Armstrong
SAT写作满分标准之简单准确
2014年SAT写作真题总结
SAT作文范文习作修改示例
SAT作文高分素材之印象派画家莫奈
2014年SAT写作真题小结
SAT作文高分模板之艺术和科学
SAT写作同义词小结
SAT写作范文点评之Fantasy and Imagination
SAT写作经典真题分类之success
什么情况下SAT写作是零分?
2014年SAT作文真题汇总
SAT写作常见错误5个
SAT写作高分句型4个
4大SAT写作高分技巧
SAT写作问题及备考策略
SAT写作题目分类之名人类
SAT写作常用短语100个
SAT写作真题题目分析
SAT写作例子之法拉第
SAT作文高分范文之conscience
SAT写作高分技巧之句式多样化
手把手教你SAT写作技巧 主体部分
SAT写作高分应该避免重复
5类SAT作文真题题目
SAT满分作文4大技巧
SAT写作经典素材之沃尔玛创始人山姆·沃顿
不限 |
英语教案 |
英语课件 |
英语试题 |
不限 |
不限 |
上册 |
下册 |
不限 |