下面是英语四级阅读单选题讲解:因果条件题。
passage 6
Some pessimistic experts feel that the automobile is bound to fall into disuse. They see a day in the not-too-distant future when all autos will b6 abandoned and allowed to rust. Other authorities,however, think the auto is here to stay. They hold that the car will remain a leading means of urban travel in the foreseeable future.
The motorcar will undoubtedly change significantly over the next 30 years. It should become smaller,safer,and more economical, and should not be powered by the gasoline engine. The car of the future should be far more pollution-free than present types.
Regardless of its power source,the auto in the future will still be the main problem in urban traffic congestion ? One proposed solution to this problem is the automated highway system.
When the auto enters the highway system,a retractable arm will drop from the auto and make contact with a rail,which is similar to those powering subway trains electrically. Once attached to the rail,the car will become electrically powered from the system,and control of the vehicle will pass to a central computer. The computer will then monitor all of the cars movements.
The driver will use a telephone to dial instructions about his destination into the system. The computer will calculate the best route,and reserve space for the car all the way to the correct exit from the highway. The driver will then be free to relax and wait for the buzzer that will warn him of his coming exit, ft is estimated that an automated highway will be able to handle 10,000 vehicles per hour, compared with the X, 500 to 2 ,000 vehicles that can be carried by a present-day highway.
7. In an automated highway system, all the driver needs to do is_?
A. keep in the right lane
B. wait to arrive at his destination
C. keeping constant touch wit^i the computer center
D. inform the system of his destination by phone
讲解答案:
D根据文章最后一段的内容:司机用电话把他的目的地告诉系统,计算机就会计算出最佳的路线,D 项是正确的。
上一篇: 英语四级阅读单选题讲解:因果条件题(2)
下一篇: 英语四级阅读难句解析(9)
这些人婚姻不幸,但她们为什么不离婚
体坛英语资讯:Kenya s Obiri targets quest to recapture World Indoor circuit
“咸鱼”被列入致癌物,“不好翻身了”
医学突破意味着终于要找到HIV疫苗了
育儿方式与青少年的自我价值,抑郁症相关
体坛英语资讯:Gremio accused of using spy drones ahead of Copa Libertadores final
腾讯市值突破5000亿美元 超过脸书成为全球第五
国内英语资讯:China hopes ROK will continue to properly handle THAAD issue
国内英语资讯:China-CEE transport infrastructure think tank established in Bulgaria
研究发现,英国500万烟民在过去一年中尝试戒烟
体坛英语资讯:Tottenham beat Dortmund 2-1 in UEFA Champions League
超模AA最后一次参加维密秀!今年为收官之作!
13万的LV皮质马桶!贫穷再次限制了我的想象
国内英语资讯:Beijings No.17 metro line to be operational in 2021
国际英语资讯:Denmarks Social Democrats wins big in local elections
你敢试试吗?新激光手术20秒可让眼珠变蓝色
川普:美国将再次将朝鲜列入支持恐怖主义国家名单
津巴布韦等待新总统
替罪羊(scapegoat)、败家羊(black sheep),为何英语中背锅的总是羊
体坛英语资讯:Champions Cyprus thrashed by Real Madrid 6-0
第一次约会一定要定在周日
国内英语资讯:China Focus: Biofuel finds big market potential in aviation
2035年我国老年人口将达4亿 将进入'超老龄社会'
联合国法庭将宣布对“波斯尼亚屠夫”米拉季奇的判决
40岁了?这些方法能让你看上去更年轻
报告显示 亚洲每两天增加一位亿万富豪
体坛英语资讯:FIFA bans former Venezuelan, Nicaraguan, Guam football heads
国内英语资讯:China to step up property rights protection
体坛英语资讯:Pulis sacked as West Bromwich head coach (updated)
国内英语资讯:Key CPC departments call for learning Xis second book on governance