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InChina,alotofpeoplecomplainthatEnglishissodifficulttolearn.Theyevenspendalotoftimetostudygrammar,stillcan’tspeakEnglishfluently.ButasChinabecomesstronger,moreandmoreforeignersstarttolearnmandarin.Ch......
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Alongwiththerapidstepofsciencedevelopment,menhavegotmoreandmoreachievements.Especiallyinbiologicalfield,scientistsarecreatingmiracleseveryminute.Inrecentyears,theyaredecodedthegenecodeofhumanbeing.Peo......
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InChina,alotofpeoplecomplainthatEnglishissodifficulttolearn.Theyevenspendalotoftimetostudygrammar,stillcan’tspeakEnglishfluently.ButasChinabecomesstronger,moreandmoreforeignersstarttolearnmandarin.Ch......