I's bad for students use mobile phone in school.四辩总结陈词.

It's bad for studnts to use mobile phones in school.We can follow the following reasons.
First,they are always thinking about phoning someone important,his boy friend or girl friend.Second,they are always thinking about surfing the Internet.Third,they are always looking up new words in the phone.With the reasons above,they are reliable on phones.It is impossible for students to focus on the teachers' teaching.Using mobile phones will take students some time playing games.The action will affect others who want to be independent..
All in all,it's bad for students to use mobile phones in school.