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     What do you know about a robot? Robots are machines that can be made to do certain things. They

are in all shapes. For example, puppy (a young dog) robots    1    like real ones. They jump and bark (吠).

Robots can do many    2    people can't do. Robots can go where people can't go and bring back important

information. In 1997, scientists sent a robot to Mars. It    3    pictures of rocks and soil, which helped

scientists understand    4    0ur own planet works. Scientists even used a robot to make a    5    of a

volcano. So robots are very    6    machines. They play a very important    7    in our life. They help people

understand the world we live in.

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