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Computers can do many useful things. They can provide people with efficient work, colorful entertainment and accurate calculations. High up in space and deep down in oceans, they are used to make scientific discoveries. On farms and in factorie南宁去哪家医院治癫痫比较好s, they help to do difficult work. In offices and at homes, they take over routine jobs. With their incredible potentials, fantastic speed and unbelievable convenience, computers are getting increasingly important in our life.
The truth of the matter, however, is that any new technology, including computers, has a "dark" side. Computer crimes,whicharedifficultto detect, cause a lot of trouble to business and industry. Unexpected computer viruses may destroy a large quantity of useful in昆明好的癫痫病医院是哪个formation. Furthermore, the indulgence of children in computer games is very bad for their mental and physical healthy development. We should therefore, be careful in usingcomputers.