摘要
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(A)Mobilephonesareeverywhereinbigcities.Itseemsthat1cansurvivewithoutone.Mobilephonesareagreat2tostayconnectedwithfriendsandfamily.3,itisimportanttorememberthattherearecertaintimes4youshouldnotbeusingyourphone,especiallyasastudentduringschool.
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出版日期
2007年04月14日(中国Betway体育网页登陆平台首次上网日期,不代表论文的发表时间)