According to a study, about 85% of Grade 11 students in Canada have their own mobile phones. About 52% of Grade 7 students and 24% of Grade 4 students also carry mobile phones.
In many schools, students must turn off their mobile phones and leave in their schoolbags during school hours. Some schools even don't allow students (take) mobile phones to school.
Do you know why these schools don't want students to use mobile phones at school? One of the main (reason) is that mobile phones can distract(使分心) students their study.
Many of these mobile phones are "smartphones", and they can be (use) to surf the Internet, send text messages, play games, take (photo) and listen to music. Mr. Jackson says, "Many teachers like me are also (worry) that students will use mobile phones to cheat (作弊) in tests, or to record videos of teachers or other students and post them online."
, some people have different opinions. They think mobile phones are (use) at school. Students can use them in class (watch) educational videos online. Mobile phones can be especially useful in the schools where there aren't enough computers. What's more, some parents want to be able to reach their children during the day. They want their children to take mobile phones all the time.
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