The frictionless maglev train enables you ___________.
参考答案(由小熊题库网聘请的专业题库老师提供的解答)
请点击↑↑↑ 查看官方参考答案 按钮
习题解析
请点击 查看官方参考答案 按钮
您可能感兴趣的题目
1 .Paragraph 5 ________
A The Main Components of Maglev Train System B High-speed Maglev due to Zero Friction. C The Working Principle of the maglev Train. D Differences between Polarity and Magnetic Field. E Comparison of Maglev Trains with Traditional Ones. F Maglev with a Powerful Motor.
2 .Paragraph 6 _________.
A The Main Components of Maglev Train System B High-speed Maglev due to Zero Friction. C The Working Principle of the maglev Train. D Differences between Polarity and Magnetic Field. E Comparison of Maglev Trains with Traditional Ones. F Maglev with a Powerful Motor.
3 .Several countries in the world are using strong electromagnets ________.
A to develop a maglev train rail system. B to explain why maglev trains are faster. C to pull and push the train forward. D to create a magnetic field. E to experiment with the maglev train. F to travel from Paris to Rome in about two hours.
4 .You can connect a wire to the positive and negative ends of a battery __________.
A to develop a maglev train rail system. B to explain why maglev trains are faster. C to pull and push the train forward. D to create a magnetic field. E to experiment with the maglev train. F to travel from Paris to Rome in about two hours.
5 .A unique system of magnetic fields is created by the coils _______.
A to develop a maglev train rail system. B to explain why maglev trains are faster. C to pull and push the train forward. D to create a magnetic field. E to experiment with the maglev train. F to travel from Paris to Rome in about two hours.
7 .Why mice are described in the passage as “creatures of the night“ because they are
A frightening to many people B hunted by birds C studied while in hibernation D active after dark
8 .“They” in the second paragraph refers to _______.
A ornithology and general biological science B contributions C professional biologists D birds
9 .David Lack’s research contributed to biological science specifically in the area of _______.
A Evolution B mating behavior C animal demography D immunology
10 .According to the passage, the ocean generally has more salt in _______.
A coastal areas B tropical areas C rainy areas D turbulent areas
