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
2023-09-11
99
管理
问题
Although I think the United States generally has an excellent system 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 simply are 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 a "maglev", meaning a magnetically-levitated train.
Maglevs will not actually ride on the tracks, but will fly above tracks that are magnetically activated. This will save wear and tear on the tracks. These trains will be able to go faster than one hundred fifty miles per hour. At that speed, conventional trains have trouble staying on the tracks. As you can see, maglevs offer exciting possibilities for the future.
选项
A、Energy conservation.
B、A new kind of transportation.
C、Strip cities.
D、Advantages o{ air transportation over rail roads.
答案
B
解析
转载请注明原文地址:https://tihaiku.com/zcyy/3004425.html
相关试题推荐
[originaltext]Insciencethemeaningoftheword"explain"sufferswithciv
[originaltext]Insciencethemeaningoftheword"explain"sufferswithciv
[originaltext]Insciencethemeaningoftheword"explain"sufferswithciv
[originaltext]Insciencethemeaningoftheword"explain"sufferswithciv
[originaltext]AuniquelabattheUniversityofChicagoisbusyonlyatnig
[originaltext]AuniquelabattheUniversityofChicagoisbusyonlyatnig
[originaltext]M:Iwanttoregisterforthismathematicscourse.W:I’msorryr
[originaltext]M:Iwanttoregisterforthismathematicscourse.W:I’msorryr
[originaltext]W:Hello?M:Hi,May,thisisBillJohns.W:Ohhi,Bill.Youwer
[originaltext]Thegreatadvanceinrockettheory40yearsagoshowedthatl
随机试题
[originaltext]M:Sorry,I’mlate,Ihadtostopathomeafterworktoputona
[originaltext]ThespaceshuttleDiscoveryhassafelyreturnedtoearthafte
下列各项中,不应计入产品成本的有( )A.生产车间管理人员的工资 B.专
避雷器构架倾斜,可定性为哪些缺陷性质()(A)危急缺陷(B)严重缺陷(
人格的()是心理健康的重要指标。 A.独特性 B.稳定性 C.整合性
中国人民银行上调金融机构存款准备金率0.5%,这一政策属于( )。A.紧缩性财
我国股份有限公司首次公开发行股票采取()相结合的方式。A:对公众投资者上网发行
一般资料:求助者,男性,61岁,退休干部。 案例介绍:半年前的一天,求助者的老
需要进行专家论证的高大模板工程有()。A.搭设高度8m及以上 B.搭设高度超
(2020年真题)下列影响工程进度因素中,属于承包人可以要求合理延长工期的有(
最新回复
(
0
)