首页
登录
职称英语
[originaltext] Although I think the United States generally has an excellent
[originaltext] Although I think the United States generally has an excellent
游客
2024-02-29
4
管理
问题
Although I think the United States generally has an excellent system of transportation, I do not think that it does a good job of transporting people between cities that are only a few hundred miles apart. A person commuting between Detroit and Chicago, or between San Francisco and Los Angeles, so-called "strip-cities", may spend only a relatively short time in the air while spending several hours getting to and from the airport. This situation makes flying almost as time-consuming as driving. Moreover, airplanes use a lot of their fuel just getting into the air. They are simply not fuel-efficient on short trips. High-speed trains may be an answer. One fairly new proposal for such a train is for something called "mag-lev", meaning a magnetically levitated train. Mag-levs will not actually ride on the track, but will fly above the track that is magnetically activated. This will save wear and tear on the track. These trains will be able to go faster than 150 miles per hours. At that speed, conventional trains have trouble staying on the track. As you can see, mag-levs offer exciting possibilities for the future.
选项
A、A lack of available flights.
B、Long delays at the airports.
C、Boredom on long flights.
D、Long trips to and from airports.
答案
D
解析
转载请注明原文地址:https://www.tihaiku.com/zcyy/3492107.html
相关试题推荐
[originaltext]Notuntilsomewhatrecently(thatis,intermsofhumanhistory)
[originaltext]Notuntilsomewhatrecently(thatis,intermsofhumanhistory)
[originaltext]ChristmasisthetimewhenChristiansaroundtheworldcelebrate
[originaltext]ChristmasisthetimewhenChristiansaroundtheworldcelebrate
[originaltext]M:I’mlookingforsomesportsshoes.Canyougivemesomeadvice
[originaltext]Electronicdevicesarechangingthewaypeoplelistentomusic.B
[originaltext]TheWorldHealthOrganizationsays57nationsinsouthernAfrica
[originaltext]TheWorldHealthOrganizationsays57nationsinsouthernAfrica
[originaltext]W:Hey,Tom.What’sup?Whereareyouoffto?M:I’monmywayto
[originaltext]W:Hey,Tom.What’sup?Whereareyouoffto?M:I’monmywayto
随机试题
Signs:theMostUsefulThingWePayNoAttentionto[A]Signa
MrJohnson____________(负责)theadministrationofthewholecompany.isinchar
结构受力如图所示,各杆EA相同,若以N1、N2、N3和 分别表示杆①、②、
向职工支付工资、津贴补贴等薪酬,对于由财政直接支付的工资,事业单位应借记"应付职
电阻应变仪测量电桥的主要功能和作用包括()。A.将微小的电阻变化转换成便于
共用题干 PublicRelationsPublicrelationsi
Somedesirablechangeshavetakenplace
莪术醇为莪术挥发油的主要成分之一,其结构类型是( )。A.倍半萜 B.半萜
痛痹的主要治法是A.祛风通络,散寒除湿 B.化痰祛瘀,滋养肝肾 C.除湿通络
在战略管理过程模拟中,从战略制定到战略执行过程中必须完成的一个中间环节是( )
最新回复
(
0
)