Essay --

In modern society, the advanced technology sets a trap for people, especially for students. Therefore, students go to the trouble of calling and texting over and over again, which dose does much harm to students' physical and mental health. As for study, students spend so much time in calling or texting that they waste a lot of time that should be spent on study. On the other hand, taking cellphone with you all the time is bad for your body health. So, as students, you should not take cellphones at to school. First of allï ¼Å' playing with cellphones really makes students waste a lot of time. Now, many students lower their heads, staring at the screen of cellphone and texting. Usually, if students take cellphones at to school, they are not old enough to control themselves and can not help using phone, even get the habit of living with cellphones. Over time, they will be increasingly dependent on mobile phones. Then, they are calling or texting, all the time but not communicating with their friends classmates or teachers face to face, which has a bad influence on students' study. According to study, Japanese students always get higher grades than other countries. The reason is that Japanese teachers and students spend much time together--the usual year is about 40 days longer than in other countries. (Glenn Zorpette. n.d.) But, now, students spend less and less time in sharing ideas and thoughts with classmates and teachers, which makes their study terrible. What's more, th ere are lots of violent games that attracts students a lot. And they are addicted to games and even imitate characters in games. As a result, they become violent or fierce, which could have a bad effect on students' mental health badly. In t... ... become more and more terrible and your brain can be influenced badly. What’s more, most cellphones have high radiation which must do much harm to your body.(The Harm of Phones’ Radiationï ¼â€° Students usually use cellphones on the bed and do not take then them away before sleeping, just putting it closed to your head. Then, the radiation influences your brain little by little. Maybe when you notice that, there is something terrible happening. Therefore, we should know the disadvantages of taking cellphones, and leave them at home. All in all, as for students, the most important thing is study but not using cellphones. I believe that we students can lead a colorful school life without cellphones. We just spend more time study or other activities to spread our horizon. So, we students should not take cellphones at school but put our heart into meaningful things.