【文档说明】《Unit 4 Topic 1 When was it invented》课件3-九年级上册英语仁爱（科普版）.ppt，共(17)页，2.510 MB，由小喜鸽上传

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Unit4AmazingScienceTopic1Whenwasitinvented?SectionArocketmetalsatellitespaceshiplocklaptopdigitalManypeopleusecomputers.Computers_____

________by________________.Thevolunteersplantedmanytreesinthegardenlastyear.Trees____________inthegarde

n____thevolunteerslastyears.areusedmanypeoplewereplantedbyCanyoutry？Whoinventedit?Whenandwherewasitdeveloped?TheFirstPlane3aA.Liste

ntotheconversationsandnumberthefollowingpictures.2313aB.Listenagainandcompletethetable.InventionItemlaptopcellphonedi

gitalcameraMaterialUsageYearcountryplasticplasticmetalandplasticstudy,workandplaycommunicatetakephotosaround19851973around1975JapanAmericaAmer

icaWow!Amodelrocket!1bListento1aandmarkT(True)orF(False).1.Janeisunhappybecauseshewasnotallowedtogotoapartylastnight.()2.Kangkang’sfa

thermadeamodelrocketforhim.()3.Therocketismadeofmetal.()4.Arocketisusedforsendingsatellitesorspaceshipsintospace.()FFTT1aListen,lookandsayGroupw

ork:•Read1a.•Findouttheimportantpoints.•Finish1c.1cRead1aandanswerthefollowingquestions.1.WhydidKankangaskJanenottospendtoomuchtimeoncomputergames

?It’sbadforherhealthifshespendstoomuchtimeonthem.2.What’sarocketusedfor?It’susedforsendingsatellitesorspaceshipsintospace.3.Wh

otaughtKangkangsomeknowledgeaboutspaceships?Mr.Brown.4.What’sKangkang’sdream?Hewisheshecouldgointospacesomeday.Groupwork:•Read1a.•Fi

ndouttheimportantpoints.•Finish1c.SummaryWordsPhrasesSentencesGrammar•Read1a.•FinishSectionAinyourworkbook.•PreviewSectionB.