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简介：Unit3Inventorsandinventions,Learningaboutlanguage,Ingroupsmakewordpairswiththesames
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简介：Unit3Inventorsandinventions,Languagepoints,gothrough1经历e.g.Mostfamilieswentthrougha
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简介：Unit3Inventorsandinventions,Grammar,过去分词（一）,过去分词作定语过去分词作表语过去分词作宾语补足语,过去分词作定语往往与被修饰的词靠得很紧,渐渐地
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简介：Unit2Cloning,1.Doyouknowanythingaboutdinosaurs2.HaveyoueverseenthefilmJurass
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简介：Reading,Unit2Cloning,Inpairs,lookatthesepicturesanddiscusswhichonesarenaturalclonesa
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简介：Unit2Cloning,1.retirevi.观察示例Heretiredattheageof65.他65岁退休。Hewillsoonretirefromt
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简介：Unit2Cloning,Languagepoints,1.Thinkabouthowtheydiffer.differvi.different,difference,常见的结
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简介：Unit2Cloning,Lookatthesentences.Thephraseandclauseunderlinedareusedasappositive同位语
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简介：Unit1Alandofdiversity,Listening,GeorgeisonholidayintheUnitedStatesandheistouringar
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简介：Warmingup,NorthAmerica,SouthAmerica,Africa,Europe,Asia,Oceania,Antarctica,PacificOcean,Pacific
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