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What is the topic of the talk? [br] [originaltext] Although I think the Unit
What is the topic of the talk? [br] [originaltext] Although I think the Unit
游客
2024-10-18
35
管理
问题
What is the topic of the talk? [br]
Although I think the United States generally has an excellent system of transportation, I don’t 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. 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 that are magnetically activated. This will save wear and tear on the tracks. These trains will be able to go faster than 150 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、A lack of available flights.
B、Long delays at the airport.
C、Boredom on long flights.
D、Long trips to and from airport.
答案
D
解析
文章提到美国虽有发达的交通系统,但人们在只相隔几百里的城市间往来还是不那么方便。人们可能坐飞机只要几十分钟就可以到达几百里外的城市,但是却要花费几倍的时间去飞机场,因而答案选D。
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