Passage C
　　The computer is fast, and never makes a mistake, while people are too slow, and full of mistakes sometimes.That's what people often say when they talk about computers.For over a quarter of a century, scientists have been making better and better computers.Now a computer can do a lot of everyday jobs wonderfully.It is widely used in factories, hospitals, post office and airports.A computer can report, decide and control in almost every field.Many computer scientists are now thinking of making the computer “think” like a man.With the help of a person, a computer can draw pictures, write music, talk with people, play chess, recognize voice, translate languages and so on.Perhaps computer will one day really think and feel.Do you think the people will be afraid when they find that the computer too clever to listen to and serve the people?