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
A、They could be controlled independently. B、They were fire resistant. C、They could keep operating for a longer period of time. D
A、They could be controlled independently. B、They were fire resistant. C、They could keep operating for a longer period of time. D
admin
2017-02-24
76
问题
The focus of today’s class is on an important element in the development of United States cities, something the modern cities need to survive: efficient transportation. The rapid growth of cities in 19th century created a serious problem. Growth obviously meant greater distances between people’s home and their work places. People could no longer rely on walking. By the mid 19th century, some UnitedStates cities had used railways drawn by horses, but they were very slow. City planners understood that without improved transportation cities could not grow any larger and they welcome the invention of system of trolley cars on cables, powered by steam engines. These cables were able to pull cars up to thesteep hills of San Francisco and so other large cities installed similar systems in 1880s. But although faster than horses, these cable cars still weren’t fast enough to solve the transportation problems of United States cities. Our real breakthrough came thanks to electricity. Electric trolley move twice as fast as the old horse drawn railways and they were clean. They designers of electric trolley came up with the new control system that allowed each part to be powered independently and have its own breaks, what’s safer and more efficient than cable cars. Electricity also helped the next great advance in urban transportation, the subway. It solved one problem that the early English subways suffered from, unbearable smoke of steam engines that made breathing in the subway tunnels almost impossible. Now listen to the following recording and answer questions 22 to 25.
22. What is the talk mainly about?
23. According to the professor, what problem did many people face as cities grew larger?
24. Other than their speed, in what way were electric trolley car better than cable cars?
25. According to the professor, what major advantage for the subway did electricity offer?
选项
A、They could be controlled independently.
B、They were fire resistant.
C、They could keep operating for a longer period of time.
D、They offered more room for passengers.
答案
A
解析
细节题。根据They designers of electric trolley came up with the new control system that allowed each part to be powered independently and have its own breaks,what’s safer and more efficient than cable cars.可知除了速度更快,电车还能够独立运行,更加安全更加有效率。因此,正确答案是A。
转载请注明原文地址:https://kaotiyun.com/show/g2U7777K
0
大学英语六级
相关试题推荐
DoBritain’sEnergyFirmsServethePublicInterest?[A]Capitalismisthebestandworstofsystems.Lefttoitself,itwillemb
A、Shecomplainsalot.B、Sheplanstoquitherjob.C、Sheisoftencriticizedbyhercustomers.D、Sheisveryfamiliarwiththe
It’smyhonortobeheretonight.OurorganizationiscalledtheNoiseAbatementSocietythatmonitorsandtriestodealwit
A、Itallowsthemtomeetstudentsfromotheruniversities.B、Itpromotestheconceptofself-learning.C、Itallowsmoreflexibil
Articlesinmagazinesandnewspapersandspecialreportsonradioandtelevision【B1】______theconcernofmanyAmericansaboutth
A、Thewomanisbeinginterviewedbyareporter.B、Thewomanisapplyingforajob.C、Thewomanisaskingforapromotion.D、The
A、Makealongtimetorest.B、Feelrelaxedwhileworking.C、Closeeyesmoreoften.D、Keepeye-dropshandy.C细节题。短文提到,如果你工作中面对电脑,
TheancientGreeksdevelopedbasicmemorysystemscalledMnemonics.Thename【B1】______theirGoddessofMemory,Mnemosene.Inthe
A、Ahousewife.B、Asinger.C、Ateacher.D、Amusician.D细节题。短文开篇就提到Midori小时候喜欢玩妈妈的小提琴,她妈妈那时是一个年仅30岁的职业音乐人(a30-year-oldprofessio
A、Parents’supportandloanforthestudents.B、Thedecliningopportunitiesforthequalifiedpeople.C、Thegrowingneedforhig
随机试题
A、Freshmeat.B、Freshfruit.C、Biscuit.D、Chocolate.B原文提到,只有新鲜蔬菜和水果通常是不需要包装的,所以选B。这道题符合“听到什么就选什么”的原则。如果听到的不只一项,则需要在旁边做笔记来帮助判断。听
固体催化剂使用载体的目的在于使活性组分有高度的分散性,增加催化剂与反应物的接触面积。
外科治疗门静脉高压症最主要的目的是
奶牛,3岁,采食饲料后不久突然出现不安,回头顾腹,左侧腹部明显增大,叩诊鼓音区增大,呼吸困难。则关于该患牛说法正确的是
肠风脏毒下血,治疗宜选用的方剂是
某公司2009年7月发生以下业务:(1)出租房屋取得租金收入10万元;(2)派本单位员工赴境外为境外企业提供劳务服务,取得收入15万元;(3)将自产成本为30万元、市价为45万元的商品投资人股某贸易公司,评估价为40万元:
对联要求()。这些特点都和律诗有某些相似之处,所以有人把对联称为张贴的诗。
Thepurposeoflifelongemploymentisto______.Bytrainingitsemployees,acompanycanmakethem______.
A、Iamalone.B、Fine,thanks.C、Whataboutyou?D、It’slate.B本题考查的是对问候语的回答。Howareyou?/How’sitgoing?/Howareyougettingalo
TheSixthSenseWhenyouwereachild,didyoueverwonderhowyourmotherknewwhenyouwerewritingonthewallwithcrayo
最新回复
(
0
)