(单词翻译:单击)
The Importance of Computers
电脑的重要性
Since computers were invented in the USA in the 1950s, they have become very important in many areas of work and leisure.
从20世纪50年代,美国发明了电脑以后,它就在人们的工作和休闲领域有很重要的作用 。
There is no doubt that computers are very useful in technology and business.
毫无疑问,电脑在科技和商业领域作用重大 。
In space, computers have been used to control the speed and direction of a spaceship.
在太空中,电脑可以用来控制宇宙飞船的速度和方向 。
With the help of computers, doctors can find diseases easily and slove other problems.
在电脑的帮助下,医生能够轻而易举地发现疾病并解决其他问题 。
For example, tiny computers which are inside patients' bodies can keep their hearts beating normally.
比如,病人体内的微型电脑能够让他们的心脏正常跳动 。
In factories, robots are controlled by computers that are like human brains. They can do work that is dangerous to humans.
在工厂中,可以用类似人脑的电脑来控制机器人 。它们可以做很危险的工作 。
In business, computers are used to place and cancel orders. They are also making the workplace safer and better.
在商业领域,电脑是用来设置或取消命令的 。它们还能让工作场所更安全更好 。
Since the Internet came into being, people's lives at home have changed, too.
电脑出现以后,人类的生活也发生了改变 。
More and more people have personal computers that are used to play games and watch movies.
越来越多的人有私人电脑用来玩游戏或看电影 。
Thanks to the Internet, people can do shopping and do business at home.
有了网络,人们可以在家里购物或办公 。
Instead of writing letters on paper, people communicate by sending e-mails and chatting on line.
人们交流时不再用纸写信,而是发送邮件或在网上聊天 。
The whole world is connected. The Internet is making the world smaller, like a village.
整个世界都联系在一起 。网络让地球变得更小,像个村子一样 。
Computers have improved our lives, but they have brought problems, too.
电脑改善了生活,但是也带来了问题 。
For instance, if we work on computers too long, we may get headaches or sore eyes.
例如,如果我们用电脑工作太久,可能会头疼,眼睛酸涩 。
If we play computer games too much, we won't have enough time to study or exercise.
如果我们玩太多电脑游戏,就没有足够的时间学习或锻炼 。
Besides, not everything we read on the Internet is true or good for us.
此外,我们在网上看到的信息并不一定都是真实有益的 。
Computers help us at work and at home, but they must be used properly.
电脑在工作和家庭中都能帮助我们,但是我们应当正确使用 。