首页
外语
计算机
考研
公务员
职业资格
财经
工程
司法
医学
专升本
自考
实用职业技能
登录
专升本
Believe it or not, optical illusion can cut highway crashes. Japan is a case in point. It has reduced automobile crashes on
Believe it or not, optical illusion can cut highway crashes. Japan is a case in point. It has reduced automobile crashes on
admin
2015-10-30
17
问题
Believe it or not, optical illusion 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 stripes , called chevrons , 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 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 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.
The passage mainly discusses______.
选项
A、a new way of highway speed control
B、a new pattern for painting highways
C、a new approach to training drivers
D、a new type of optical illusion
答案
A
解析
第一段点明了文章的主旨,接下来分层介绍了利用视觉错觉减少高速路上交通事故的方法和好处,因此应选A。
转载请注明原文地址:https://kaotiyun.com/show/MyYC777K
本试题收录于:
英语题库成考专升本分类
0
英语
成考专升本
相关试题推荐
Weareinterestedintheweatherbecauseit【21】ussodirectly—whatwewear,【22】wedo,andevenhowwefeel.Geographers,however
MostEnglishpeoplehavethreenames:afirstname,amiddlenameandthefamilyname.Theirfamilynamecomeslast.Forexample
Infact,therewashardlyanyactivityorsocialeventthatcouldnotbesettoMusic.Weddings,births,christening,funerals,
TheotherdayIheardanAmericansaytoaChinesestudentofEnglish"YouspeakverygoodEnglish."Butthestudentanswered,"
Woodsmen,huntersandtrackerslearnedtofollowandreadthe【21】left,behind【22】animals,men,natureandtime.Theirabilityto
Forthispart,youaresupposedtowriteanoticeinEnglishin100-120wordsbasedonthefollowingsituation.Remembertowrit
Mancangoonincreasinghisnumbersatthepresentrate.Inthenext30yearsmanwillfaceaperiodofcrisis.Someexpertsbe
ThehomecomputerindustryhasbeengrowingrapidlyintheUnitedStatesinthelasttenyears.Computersusedtobelarge,expe
随机试题
未包含在全费用综合单价中的费用项目是()。
李先生拟在5年后用200000元购买一辆车,年复利率为8%,李先生现在应投资()元。(答案取近似数值)
下列有关组织文化结构的表述错误的是()。
外汇储备数据显示,截至2009年末,中国国家外汇储备余额为23992亿美元,同比增长23.28%。2009年全年国家外汇储备共增加4531亿美元,其中第四季度新增1266亿美元,前三季的增量分别为77亿美元、1779亿美元和1510亿美元。分析人士认为,由
简述工作岗位研究的原则。
课外、校外教育与课内教育共同之处在于()
材料1邓小平指出:“坚持改革开放是决定中国命运的一招。”对于对改革一时持有怀疑或担心的人,“处理的办法也一样,就是拿事实来说话,让改革的实际进展来说服他们。”20多年来的改革取得了辉煌的成就。就经济方面而言,从1978年到2005年,我国国内生产总值从1
垄断条件下的竞争与自由竞争相比,具有以下特点()
[A]Lifeisamirrorofwhatyoudo[B]Thinkaboutyourfuturefamily[C]Don’tcountonanyonebutyourself[D]Think
Teachersneedtobeawareoftheemotional,intellectual,andphysicalchangesthatyoungadultsexperience.Andtheyalsoneed
最新回复
(
0
)