阅读下面短讯，谈谈你对网吧（Internet Bar）现象的看法。（不必把短讯译成英文）
短讯1、最近上海关闭了许多网吧，但仍有学生周末一早乘车去郊区上网。
短讯2、武汉市一位母亲哭求着一位网吧老板，叫他关闭网吧。
短讯3、吉林省长春市6000余学生举行集体签名仪式，保证远离网吧。
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[物理--选修3-3]