As we all know, the Internet has become part of teenagers' life. A new report on 3,375 students aged 1 10 to 18 in seven Chinese cities 2 that 38 percent of them used the Internet very often.
Most of them get 3 information and use the Internet 4 in their studies，but some are not using it 5 a right way. Many are 6 online games too much. 7 even visit websites they should not browse(浏览). A teacher from a middle school says that bad things can happen 8 young people spend too much time on the Internet. She had a student who 9 good at school. 10 later he started visiting unhealthy websites. He lost his conscience(良知), did something illegally(违法地) and 11 away by the police.
In order to help young people use the Internet in a good way, a textbook 12 good Internet behavior（行为) has started to be used in some middle schools this term. The book uses real examples to teach students about good ways of13the Internet. The book gives useful advice such as reading news or finding helpful information to study. Teachers and parents all think the book is great.
The book will be a guide for teens to use the Internet. We believe 14 will keep students away from bad websites, and teach students 15 to do the right things in the online world.
