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[PET] What can you do with a microscopic robot? – Science Journal for Kids and Teens

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Scientists have made a very small robot that can change its color like a chameleon. It is as tiny as a red blood cell. They use a magnet to control it. This robot can move in different ways; it can walk like an inchworm and also swim. It broke a world record by moving three times its body length in just one second. In the future, doctors might use these robots to bring medicine into the body or make microscopes better.

阅读练习

1. undefined

  • A. Fly like a bird
  • B. Change its color
  • C. Grow bigger
  • D. Make noise

2. undefined

  • A. With a computer
  • B. With their hands
  • C. With a magnet
  • D. With a remote control

3. undefined

  • A. Like a snake
  • B. Like an inchworm
  • C. Like a car
  • D. Like a fish

4. undefined

  • A. Moving three times its body length in one second
  • B. Swimming the fastest
  • C. Changing color the quickest
  • D. Being the smallest robot

5. undefined

  • A. Taking people’s temperatures
  • B. Carrying medicine inside the body
  • C. Cleaning hospitals
  • D. Cooking meals