【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____________inthegarden____thevolunteerslastyears.ar

eusedmanypeoplewereplantedbyCanyoutry？Whoinventedit?Whenandwherewasitdeveloped?TheFirstPlane3aA.Listentotheconversationsa

ndnumberthefollowingpictures.2313aB.Listenagainandcompletethetable.InventionItemlaptopcellphonedigitalcameraMaterialUsageYearcountryplasti

cplasticmetalandplasticstudy,workandplaycommunicatetakephotosaround19851973around1975JapanAmericaAmericaWow!Amodelrocket!1bListento1aandma

rkT(True)orF(False).1.Janeisunhappybecauseshewasnotallowedtogotoapartylastnight.()2.Kangkang’sfathermadeamodelrocketforhim.()3.

Therocketismadeofmetal.()4.Arocketisusedforsendingsatellitesorspaceshipsintospace.()FFTT1aListen,lookandsayGro

upwork:•Read1a.•Findouttheimportantpoints.•Finish1c.1cRead1aandanswerthefollowingquestions.1.WhydidKankangaskJanenottospendtoomuchtimeoncomputergam

es?It’sbadforherhealthifshespendstoomuchtimeonthem.2.What’sarocketusedfor?It’susedforsendingsatellitesorspaceshipsintospace.3.WhotaughtKa

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

.•Findouttheimportantpoints.•Finish1c.SummaryWordsPhrasesSentencesGrammar•Read1a.•FinishSectionAinyourworkbook.•PreviewSectionB.