一、背景意义：中学生在网吧一泡就是几天几夜不回家，这样的事情屡有所闻，我们通过问卷调查得知，中学生泡网吧的主要目的是消遣。在宁波日报上曾刊登过这么一篇报道：深夜11时30分，有三个身穿校服的学生正在网吧酣战，且屏幕上不时地出现不健康的内容。当记者指着挂在墙上 First, the background significance: high school students in the Internet cafes is a few days and nights do not come home, this kind of thing has been heard, we learned through a questionnaire survey, the main purpose of middle school students to make Internet cafes entertainment. A daily report was published in the Ningbo Daily: At 11:30 in the middle of the night, three students wearing school uniforms were fighting at an internet cafe, and unhealthy content appeared on the screen from time to time. When the reporter pointed at the wall