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   Should young students have（1）____phones？Some young students think mobile phones are very（2）____.They can use mobile phones to（3）____English and（4）____e-mails.They can also（5）____messages and（6）____phone calls.But some parents think young students（7）____take mobile phones.Because young students can also use mobile phones to （8）____on the Internet and（9）____e-books.It takes too much time and it's（10）____for their eyes.
   Do you think young students should have mobile phones？