Robots seem very new to most people. But they have a  31   history. The  32   one was made by a Greek inventor(发明家). You may  33   robots in some films. The robots in these  34   are stronger, faster and cleverer than people. In real   35  , most robots are used infactories. They are used to do many dangerous, difficult or boring  36   . Some people can’t look after    37    and robots are used to help them. For example, some people can’t see. Many of these people use a  38   to help them move around. This dog is called a guide dog.  39    are making a robot to help them. In the future, robot dogs  40   take the place of(代替) these guide dogs.

Robots are also   41     in American hospitals. At one hospital, a robot takes meals  42   the kitchen to the sick people’s rooms. It  43   loses its way because it has a map of the hospital in its computer system(系统).

In the future,  44   will work in space. But robots will never take the place of human. They can  45   us in a lot of different ways.

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