Students with powerful noticeably more mobile phone usage habits, the wrong time wrong it is to use mobile phones in the classroom, which is actually in some educational institutions or, in some classes, there will be a mandatory rule that, turn off the cell phones while teaching, or even do not carry mobile phones into the classrooms at all, but because of the many rules of the craft, plus ignorance of students also look at whether cell phones as personal property. Can take to him but forget to think will go wherever you carry. Not be used at any time.
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