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jobs   map   look   useful   took   how   part
     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  
our 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.
答案

1. look   2. jobs   3. took   4. how   

5. map   6. useful   7. part

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