Robots seem very new to most people, but they have a long history. People began to make robots about several hundred years ago. In the past, some of the early ones worked like clocks and did the same things over and over again. And they couldn't talk.
Now modern(现代的) robots don't always look like people. Some are like big machines, some have boxy bodies and others have long arms. Most robots arc used in factories. They are used to do many dangerous, difficult or boring jobs. Robots are also used in hospitals. In an American hospital, a robot takes
meals from the kitchen to the sick people's rooms. It never gets lost because it has a map of the hospital in its computer system(系统). You may see robots in some films. The robots are stronger, faster and cleverer than people in these films. However, in real life, modern robots are smart, too. Some can solve problems on their own. Their brains(大脑) are computers and their eyes are sensors(传感器) in the future, robots will learn from their mistakes more than they do now.
In the future, robots will work in space. But robots will never take the place of humans. They can, however, help us in a lot of different ways.
