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1、Mobile PhonesMobile phones are more and more widely used in peoples life, and more and more popular among us students.We can use mobile phones to make telephone calls, our parents can get in touch with us easily. We can also use mobile phones to listen to music, play games, send messages to our frie
2、nds ,and even take beautiful pictures as a camera.Mobile phones can bring us a lot of conviniences,but they have also brought us a lot of problems. If we play games on mobile phones too long, we will get headaches and sore eyes, and dont have enough time to study and exercise. If we bring them to sc
3、hool, they can easily get lost. Whats worse, some students cant help playing games in class, even cheat in the exams. Sometimes they will talk to their friends or send messages until late at night, these are not good for our study. So, I think we must use mobile phones properly, and had better not bring them to school.