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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. |
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你能帮帮他们吗