1) visit 2) different
3) appeared
4) tired
5) become
6) computer
7) accurately
8) called
A robot
A robot is a machine that does work for people. The word ‘robot’ 13 in the 1920s and it was first used in a science fiction story. In real life, the robot was invented later, in 1954. There are different kinds of robots which are used in 14 industries. Most of them are operated with the help of a 15 program. Instead of humans, robots do hard and boring work in unpleasant or dangerous environments. They usually work faster and more 16 than people. They never get 17 and do not make mistakes. Nowadays robots are often used for domestic needs – to clean houses or to look after sick and elderly people. Scientists say that soon robots will 18 a normal part of our life, like mobiles and computers today.
