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
In Chicago, a computerized system has been developed that controls traffic in the city’s seven on expressways now, one man — a
In Chicago, a computerized system has been developed that controls traffic in the city’s seven on expressways now, one man — a
admin
2014-01-13
88
问题
In Chicago, a computerized system has been
developed that controls traffic in the city’s seven on
expressways now, one man — a controller — can follow
the movement of Chicago’s traffic as looking at a set of lights. 【M1】______
The system uses electronic sensors that is built into each 【M2】______
expressway, half a mile each apart. Several times 【M3】______
a second, the computer receives information for each 【M4】______
sensor and translates it into green, yellow, or red lights
in a map in the control room. 【M5】______
A green light means traffic is moving forty-five to
sixty miles an hour, yellow means heavy traffic-cars
stopping still or moving less than thirty miles an hour. 【M6】______
"See that red light near Austin Avenue?" the controller
asked a visitor, "That’s a repair truck fix the 【M7】______
road, and the traffic has to go near it. " 【M8】______
At the Roosevelt road entrance to the expressway,
the light kept changing from green to red and back to
green also. "A lot of trucks get on the expressway 【M9】______
there. " the controller explained, "They can’t speed
forward as fast as cars. " 【M10】______
The sensors show immediately where an accident or a
stopped car is blocking traffic, and a truck is sent by
radio to clear the road. The system has lowered accidents
by 18 percent. There are now 1. 4 deaths on Chicago’s
expressways for each one hundred million miles traveled,
while nationally there are 2. 6.
【M7】
选项
答案
fix→fixing
解析
转载请注明原文地址:https://kaotiyun.com/show/WmQO777K
0
考博英语
相关试题推荐
Evenmorecrucially,theyaretheproductofanoutdatedpoliticalsystemwhichhasconsistentlysacrificedthelongtermtothe
ManyadvocatesofauniversalhealthcaresystemintheUnitedStateslooktoCanadafortheirmodel.WhiletheCanadianhealthca
Trafficstatisticspaintagloomypicture.Tohelpsolvetheirtrafficwoes,somerapidlygrowingU.S.citieshavesimplybuilt
Byaddingafewcomponents,theycanedittapeandcreateanarrayofgraphicsandvisualeffectsthatare______fromsystemsc
Manycriticsofthecurrentwelfaresystemarguethatexistingwelfareregulationsfosterfamilyinstability.Theymaintainthat
Manycriticsofthecurrentwelfaresystemarguethatexistingwelfareregulationsfosterfamilyinstability.Theymaintainthat
随机试题
反馈控制系统中偏差信号的变化,直接反映了被调量的________。在有差调速系统中,就是靠________信号的变化进行自动________的。系统的开环放大倍数越大,则自动调节能力就越________。
在心包炎的发生、发展过程中,下列哪一项体征不可能见到
A.早发性胎心减速B.晚期减速C.变异减速D.NST有反应E.NST无反应胎心监护显示20分钟内有4次胎动伴胎心率加速大于15次/分,该结果为
A.四环素B.链霉素C.氯霉素D.红霉素E.土霉素耐青霉素的金葡菌感染,可选用
A.抗核抗体B.抗Sm抗体C.抗双链DNA抗体D.抗磷酯抗体E.类风湿因子特异性高,但与SLE活动性无关
关于社会主义法治理念及其特征的表述,下列哪一选项是错误的?
Thearrivalofthemass-producedcar,justoveracenturyago,causeda(n)【C1】______ofbusinesscreation.Firstcamethemakers
Aestheticthoughtofadistinctivelymodernartemergedduringthe18thcentury.Thewesternphilosophersandcriticsofthist
WhichofthefollowingpeoplesweretheancestorsoftheWelsh?
Whensunlightentersadarkroomthroughtheblinds______.Exhaledcigarettesmokeisyellowishbecause______.
最新回复
(
0
)