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简介：SectionⅡLanguagepointsⅠWelcometotheunitReading,Unit3Backtothepast,graduall
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简介：Unit3Backtothepast,Becauseitaffectswatersupplyandagriculturalproductivity，humanhealth
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简介：Unit2Language,SectionⅥLanguagepointsⅢProject,deed,shortcomings,indicates,dragged,pattern,d
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简介：Unit2Language,SectionⅤReadingⅡProject,an,himself,went,where,books,However,practical,interes
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简介：Unit2Language,SectionⅣLanguagepointsⅡWordpower，GrammarandusageTask,gentle,conce
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简介：Unit2Language,SectionⅢGrammar名词性从句Ⅱ与it作形式主语,when,why,How,Which,What,who,whom,That→Whatthat
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简介：SectionⅡLanguagepointsⅠWelcometotheunitReading,Unit2Language,mixture,process
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简介：Unit2Language,Becauseourunderstandingofthenumberoflanguagesincreasesconstantly.,6，809.,S
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简介：Unit1Theworldofoursenses,SectionⅥLanguagepointsⅢProject,loose,Unlike,jewellery,flesh,c
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简介：Unit1Theworldofoursenses,SectionⅤReadingⅡProject,谢谢观看
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