请阅读下列有关手机的文章,根据所提供的信息,回答问题。
Mobile phones are becoming more and
more popular not only with adults but also with students. However, they also
have become a problem for middle schools in the last few years.
Some children have got mobile phones as
Christmas or birthday gifts, and more will ask their parents to buy phones for
them.
Many students like mobile phones
because they are easy and quick. Some parents feel it convenient because they
can get in touch with their children. Some teachers think using mobile phones
is a distraction(分心的事)to students during school hours and mobile phones also give them
much trouble in their classrooms. Sometimes students send phone messages to
cheat(作弊)during exams. A new study says that some
teenagers even hurt their fingers because of the over-use of mobile phones.
They keep using mobile phones for more than ten hours during a day.
Many teachers suggest that students
should not have phones at school, but if there is a good reason, they can leave
their phones at the school office. Many people think they understand why
parents would want their children to have them, but they agree school should
let the students know when they can use their mobile phones.
