中学生使用手机的利与弊 英语作文

As the world develops,more and more people start using mobile phone.Many students use the mobile phone in the school.
Students think mobile phone is good for them.Beacause they can call their friends when they are not in school .It will makes your friendship more close . And ,if your parents can't find you ,they can call you at once .
But each coin has two sides.Some student's parents are worried about them bacause they think using mobile phone is bad for students.If a sudent uses a mobile,he may spend more time on mobile phone rather than study.And using mobile phone is also bad for their eyes.