Unit 3　The world online

　　有人认为网络是一把双刃剑。一方面，它给人们带来前所未有的便利和灵感，但另一方面，它也会引起许多意想不到的问题。

　　With the development of science and technology, the Internet becomes more and more popular.You can find it nearly everywhere in our life, work and study. In other words the Internet is playing an increasingly important role in people's lives.

　　Some people view it as a double­edged sword.On the one hand, it brings unprecedented (前所未有的)convenience and inspiration, but on the other hand, it also causes many unexpected problems.

　　Networks bring about many conveniences for our life.If you have a computer and network, you can get almost all information you need or the latest news conveniently.What's more, we can save a lot of time while going shopping online without going out.The Internet also provides a wide platform for our study and entertainment.

　　Although the Internet has brought convenience to us, many people have begun to realize that it is the source of trouble as well.Take the young for example, some young people, especially some of the students, are too addicted to the Net surfing.They spend too much time on the games, chatting, movie seeing and even shopping online, which is harmful to their health because the Internet is so complicated that it is not easy for the young to control themselves.

　　Each coin has two sides.When we are surfing online, we should take into consideration all aspects of the problems of the Net, and make good use of the Net.

1．increasingly adv.　　 越来越多地，不断增加地