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最佳答案：As we know,with the development of society,more and more students are having cel
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最佳答案：Advantages and disadvantages of mobile phoneMobile phone is now important commun
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最佳答案：Mobile phone has a lot of merits.First of all,it is much more convenient than re
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最佳答案：People always cast doubts on new things.It is obvious that cell phone benefits o