随着社会的不断发展，以前昂贵的手机产品已经变得很普遍了，甚至很多中小学生都人手一部了，究竟中学生该不该用手机呢，中学生使用手机有什么好处和缺点呢？  

      With the development of science , mobile telephone becomes more and more popular. the students in school begin to use mobile telephone. In my opinion , it is not good for the students to use mobile telephone .
    First , it will cost them more money than before. Second, it will make the students  proud. Third, it will sometimes become a nuisance especially when it rings in class or in the library. I think the students’ main purpose in school is to study , they should pay much attention to their study.
      Mobile telephone has effect on the students. Since If they want to use mobile telephone , they can use it after graduation.