Paragraph 4 ______
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5 .Paragraph 3 _______
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.
7 .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.
8 .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.
9 .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.
10 .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.
