請根據以下幾點，寫一篇“遠離網咖”的作文。
1.新聞媒體披露,徐州某中學1000多名學生簽名,莊嚴承諾“遠離網咖” 2.分析“遠離網咖”運動的原因 3.作出對比的評論
away from net-bar campaign
it has been reported that a middle school in xuzhou city has recently launched a campaign named “away from net-bar”. more than a thousand students have signed for their solemn promise that they will not spend a single minute in the net-bars. with the nearing of the summer vacation, this campaign is especially meaningful for the healthy development of the minors.
the internet has brought people great convenience in getting information, entertainment and contact with others, and it has also benefited some businessmen, especially the owner of net-bars. while it is true that most net-bars are running legally, it is also true that some are offering unhealthy programs that involve violence and sex content. since most middle school students are prone to be influenced and they can hardly tell which bars are doing well and which ones are not, it is only advisable that they stay away from all. besides, staying away from net-bars also does good to students＇ physical health. by passively sitting too long in front of the computer screen, both their eyesight and physique suffer.
obviously, the away from net-bars campaign is an activity that is worth advocating and it merits other schools＇ reference