The computer is fast, and never makes a mistake while people are too slow, and full of mistakes sometimes. That's ________ people often say when they talk about computers. For over a quarter of a century, scientists have been ________ better and better computers. Now a computer can do a lot of ________ jobs wonderfully. It is ________ used in factories, hospitals, post offices and airports. A computer can report, decide and control in almost   ________ field. Many computer scientists are thinking of ________ 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 voices, translate languages and so on. Perhaps computers will really think and feel. Do you think people will be afraid ________ they find that the computer is too clever to listen to and serve people? No, people will ________ better use of the computer in the future. Man is ________ the master of the computer. The computer works only ________ the help of man. It cannot take the place of man.