英语辩论赛——上网的利与弊（反方）

advantages:the internet povoides people with enormous amounts of information in a fraction of a second.with this easy access to the internet,searching for information has become easier than ever before.the internet changes the way people communicate with each other.e-mail allows us to write to our friends and receive letters from them cheaply and instantly.the internet has revolutionized business.e-commerce enables people to do business and go shopping at home easily and econveniently.the internet plays an important role in mass education.
disadvantages:cyber-crime causes a great loss in people's property.computer viruses bring us lots of trouble.trash mail is always a nuisance to evertone.worst of all,pornography may corrupt people,especially young people.

1沉迷上网，脱离现实，会造成人格不健全；
2会上瘾；
3有部分不健康网站；
4会荒废学业；
5有可能被黑客袭击，导致电脑瘫痪！