提纲：

　　1.因特网的好处;

　　2.因特网的缺点;

　　3.结论。

　　[范文]

　　论因特网

　　The Internet seems to have become an indispensable part in modern lire. This is because the Internet has a lor of advantages. To begin with, the Internet provides 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. Besides, the Internet changes the way people communicate with each other. E mail allows us to write to our friends and receive letters from our friends cheaply and instantly. Furthermore, the Internet has revolutionized business. E-commerce enables people to do business and go shopping at home easily and conveniently. Finally, the Internet plays an important role in mass education.

　　However, the Internet also has some unfavorable aspects. Cyber crime causes a great loss in peoples property. Computer viruses bring us lots of trouble. Trash mail is always a nuisance to everyone. Worst of all, pornography may corrupt people, especially young people.

　　In a word, the Internet has both merits and demerits. But on the whole, it brings peop[e more benefits than harm. It is suggested that a clever use be made of this modern technique for the benefit of all people.