- 问题详情:Mobilephone(手机)hasbecomeaproblemformiddleschools.SomemiddleschoolsinAustraliahavebanned(禁止)studentsfromcarryingmobilephonesduringschoolhours.Mobilephoneusedamongchildrenhasbecomeaproblemfortheschoolthisyear.SeveralchildrenhavegotmobilephoneasChr...
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