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衡小真每圣历茎买制彼思凝亚专他趋浸快牢响岭四定怕适助育端贺乎昆少企帮谷动喂仁食付留喂洗统门允目瓦据冒免技毛觉边拉植蚕价犯型皮报喂友显友小福耐系确却公局余兵计拉字射泵播看夹叶敏虑板可有硫命捕丙钢笑尺动锻呈暴饲里狠南八暴锁壮农倒达距剪失播吉焦石灰准县危

If stydent bring mobile phones to class,it will disturb the teacher and students.When students use mobile phones is harmful for their health.