2. 考研
  3. What is the best title for this passage? Why could maglev trains replace short-fight commuter aircraft?

What is the best title for this passage? Why could maglev trains replace short-fight commuter aircraft?

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问题 What is the best title for this passage?
Why could maglev trains replace short-fight commuter aircraft?
选项 A、Maglev trains are faster.
B、Maglev trains are cheaper.
C、Maglev trains are more fuel-efficient.
D、Maglev trains are safer.
答案C
解析 根据第五句"消耗的燃料仅为短途飞机燃料的75%"，可以确认此答案。
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