Powerful magnets on the bottom of the train repel magnets on the track, which is actually just a magnet-filled guiding way. With a magnetic field of sufficient force, the train will go hovering on air, which seemed impossible to us in the past.

　　When an electrical current is sent through the track, the train moves. Turn the current backwards and the train slows down.

　　Maglev doesn’t rely on the friction (摩擦力) of wheels on track, so it can climb a much steeper hill than a traditional train. And it can travel easily in snow and ice, something that could bring normal trains to a screaming stop.

　　1. This passage is about　.

　　A. maglevB. magnetsC. levitationD. electricity

　　2. Which of the following is a repelling action?

　　A. ⇨⇦ B. ⇦⇨ C. ⇧⇧ D. ⇩⇩

　　3. What can we learn from the text?

　　A. A magnet-filled guiding way is formed inside a maglev train.

　　B. Instead of electricity, magnets are used as the power of a maglev.

　　C. Maglev trains can climb hills with the help of magnet wheels.

　　D. Electric currents decide the movements of a maglev train.

　　4. What is the difference between a maglev train and an ordinary train?

　　A. A maglev train can climb mountains without power while an ordinary one can’t.

　　B. A maglev train can travel in college campus while an ordinary train is not allowed.

【四川省成都市2016届高考英语阅读理解二轮提升训练（46）（含解析）】相关文章：

★ 2017届高考英语二轮复习大题冲关秘籍语法填空：创新押题（含解析）

★ 湖南省汝城二中2014届高考英语一轮复习阅读训练 (35)

★ 四川省2016届高考英语一轮复习课时作业（36） Module 6 War and Peacel 外研版选修6

★ 湖南省汝城二中2014届高考英语一轮复习阅读训练 (25)

★ 2017届高考英语二轮复习大题冲关秘籍完形填空之记叙文：名校模拟（含解析）

★ 2017届高考英语二轮复习课时训练：19（含解析）

★ 【优化方案】2017届高考英语二轮复习全国卷Ⅱ题型重组训练：第11组（含解析）

★ 湖南省汝城二中2014届高考英语一轮复习阅读训练 (73)

★ （安徽专用）2014届高考英语一轮复习方案 作业手册（5）模块2 《Unit 5 Rhythm》（含解析） 北师大版必修1

★ 【北师大版】2014届高考英语一轮复习指导课时作业：Unit 11 B卷 Word版含解析