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The Importance of Computers
電腦的重要性
Since computers were invented in the USA in the 1950s, they have become very important in many areas of work and leisure.
從20世紀50年代，美國發明了電腦以后，它就在人們的工作和休閑領域有很重要的作用。
There is no doubt that computers are very useful in technology and business.
毫無疑問，電腦在科技和商業領域作用重大。
In space, computers have been used to control the speed and direction of a spaceship.
在太空中，電腦可以用來控制宇宙飛船的速度和方向。
With the help of computers, doctors can find diseases easily and slove other problems.
在電腦的幫助下，醫生能夠輕而易舉地發現疾病并解決其他問題。
For example, tiny computers which are inside patients' bodies can keep their hearts beating normally.
比如，病人體內的微型電腦能夠讓他們的心臟正常跳動。
In factories, robots are controlled by computers that are like human brains. They can do work that is dangerous to humans.
在工廠中，可以用類似人腦的電腦來控制機器人。它們可以做很危險的工作。
In business, computers are used to place and cancel orders. They are also making the workplace safer and better.
在商業領域，電腦是用來設置或取消命令的。它們還能讓工作場所更安全更好。
Since the Internet came into being, people's lives at home have changed, too.
電腦出現以后，人類的生活也發生了改變。
More and more people have personal computers that are used to play games and watch movies.
越來越多的人有私人電腦用來玩游戲或看電影。
Thanks to the Internet, people can do shopping and do business at home.
有了網絡，人們可以在家里購物或辦公。
Instead of writing letters on paper, people communicate by sending e-mails and chatting on line.
人們交流時不再用紙寫信，而是發送郵件或在網上聊天。
The whole world is connected. The Internet is making the world smaller, like a village.
整個世界都聯系在一起。網絡讓地球變得更小，像個村子一樣。
Computers have improved our lives, but they have brought problems, too.
電腦改善了生活，但是也帶來了問題。
For instance, if we work on computers too long, we may get headaches or sore eyes.
例如，如果我們用電腦工作太久，可能會頭疼，眼睛酸澀。
If we play computer games too much, we won't have enough time to study or exercise.
如果我們玩太多電腦游戲，就沒有足夠的時間學習或鍛煉。
Besides, not everything we read on the Internet is true or good for us.
此外，我們在網上看到的信息并不一定都是真實有益的。
Computers help us at work and at home, but they must be used properly.
電腦在工作和家庭中都能幫助我們，但是我們應當正確使用。
