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　　Mobile phones are becoming more and more popular not only with grown ups but also with students．Meanwhile, they also 　　1　　 a problem for middle schools in the past few years．Some children have got mobile phones as Christmas or birthday gifts, and more will 　　2　　 want them．

　　Many like SMS because it is easy and 　　3　　．Some parents felt happy because they could get in touch 　　4　　 their children．Some teachers said mobile phone use was a distraction(分心的事)to students during school hours and it also gave them much 　　5　　 in their classrooms．Sometimes students 　　6　　 use phone messages to cheat(作弊)during exams．A new study found that some teenagers send messages in class even hurt their fingers because they can't stop 　　7　　 SMS．

　　Many teachers suggested that students should not have phones at school, 　　8　　 if there was a good reason, they could 　　9　　 their phones at school office．Many people think they understand 　　10　　 parents would want their children to have them, but they agree school should let the students know when they can use their mobile phones．

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