关 键 词： 小学三年级 300字
字 数： 300字作文
本文适合： 小学三年级
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本作文是关于小学三年级300字的作文，题目为：《Among middle school students》，欢迎大家踊跃投稿。
Being a product of high-technology,mobile phones are being more and more widely used. It's small in size, light in weight and easy to carry, offering fast and convenient service for communication.It's of multi-function. The users use it for calling, sending short messages and internet-surfing. In recent years, mobile phones have become popular among middle school students.
Quite a few use them at school to keep in touch with their families and friends instead of writing letters, which, of course brings convenience to them. But I don't think it's good to do so. In spite of the advantage mentioned above, student users often waste a lot of time chatting over the phone in their spare time, some even use them to cheat in exams. In addition, mobile phone bill is also a heavy burden on students' families