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
外语
Believe it or not,optical illusion (错觉) can cut highway crashes. Japan is a case in point. It has reduced automobile crashes on
Believe it or not,optical illusion (错觉) can cut highway crashes. Japan is a case in point. It has reduced automobile crashes on
admin
2011-01-05
57
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 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 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 bar. Chevrons, scientists say, not only give drivers the impression that they are driving faster than they really are but also make a lane spear 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
本文主要讲的是高速公路上控制速度的新方法。B项为“油漆高速公路的新图案”;C项为“训练司机的新方法”;D项为“一种新的视觉错觉”。故只有A符合题意。
转载请注明原文地址:https://kaotiyun.com/show/aYmd777K
本试题收录于:
职称英语卫生类A级题库职称英语分类
0
职称英语卫生类A级
职称英语
相关试题推荐
BIGFOOTTherearesomepeoplewhobelieveintheexistenceexistenceofBigfoot,EXISTa【C1】______ape-likecreatu
BIGFOOTTherearesomepeoplewhobelieveintheexistenceexistenceofBigfoot,EXISTa【C1】______ape-likecreatu
FRIENDSHIP0Ibelievethatnothingmattersasmuchashavingacoupleofreallygood00friends.Theyhelpyoufeell
ANEWCRUISESHIPOneofthebiggestpassengershipsinhistory,theIslandPrincess,carriespeopleoncruisesaroundtheCa
ANEWCRUISESHIPOneofthebiggestpassengershipsinhistory,theIslandPrincess,carriespeopleoncruisesaroundtheCa
ANEWCRUISESHIPOneofthebiggestpassengershipsinhistory,theIslandPrincess,carriespeopleoncruisesaroundtheCa
ANEWCRUISESHIPOneofthebiggestpassengershipsinhistory,theIslandPrincess,carriespeopleoncruisesaroundtheCa
ANEWCRUISESHIPOneofthebiggestpassengershipsinhistory,theIslandPrincess,carriespeopleoncruisesaroundtheCa
Theexaminerasksyoutotalkaboutsomethingtogetherandgivesyouadrawingtohelpyou.
随机试题
设向量组线性相关,求常数k;并找到一组极大无关组.
女,48岁。反复咳嗽、胸闷、气喘30年。平素口服氨茶碱及“止咳祛痰”中药治疗,症状控制不理想。近1周来症状再次出现。查体:P86次/分,R24次/分,双肺可闻及散在哮鸣音。诊断为“支气管哮喘”。动脉血气分析示:pH7.46,PaCO2mmHg,PaO264
超额配售选择权的实施应当遵守()的规定。
产品整体概念的三个层次具体包括()。
阅读下面材料,回答问题。李明转学到A学校,刚来时学习成绩不好。进校后学习成绩持续下滑,常不交作业、上课打瞌睡,学习的主动性、积极性都不高。他的父母都从商,家境比较富裕,但父母并不溺爱孩子,同时对学习的要求并不高,只要求有进步。李明腼腆,不爱参加文
吕德雕塑的代表作品为()。
美国生物社会学家威尔逊认为,决定人的一切行为的本质力量是___________。
联合国的宗旨是维护世界和平与安全,促进国际合作与发展。因此,打击恐怖主义应该()
社会整体是由若干个个体组成的,社会整体发展的活力必须建立在每个个人积极性和创造性充分发挥的基础上。如果每个人都没有自我意识,个体积极性都被束缚得死死的,社会的发展不可能有什么活力。所以,()
Socialchangeismorelikelytooccurinsocietieswherethereisa【B1】______ofdifferentkindsofpeoplethaninsocietieswher
最新回复
(
0
)