Unit5 Section A3a-3d 对话阅读课公开课课件(2024新版)人教版九年级(上册)

PresentationUnit5

PowerofIdeasSectionA

Whatchangescaninventionsbringtoourlives?(3a-3d)对话阅读课公开课

单元主题范畴：人与社会单元主题内容：科技与发明，科技发展对人类社会的影响(2024新版)人教版九年级(上册)PresentationLearningObjectives1.通过听读对话，获取3D打印的工作流程以及收音机的发明者、发明时间和历史影响等关键信息，理解被动语态在描述发明创造时的形式和意义。（学习理解）2.在听力、对话练习中，提取新型发明的功能、来源、工作流程的关键信息；能围绕“发明”开展问答、双人讨论，清晰描述发明的用途、工作方式，分析发明给生活带来的改变。(学习理解，应用实践)3.能讨论3D打印等新发明给未来生活、医疗和社会带来的便利与潜在问题，能大胆想象未来还能用3D打印创造什么；选择一项自己认为最重要的发明，从多方面进行介绍并阐述理由，表达个人观点，感受发明对生活的影响和发明家的创新精神。(迁移创新)PresentationWatchandsingPresentationWatchandsayPresentationWatchandsayWhatistheinvention?It’sthemobilephone.Whenwasitinvented?Itwasinventedin1973Whowastheinventor?ItwasinventedbyMartinCooperWhatchangescanitbringtous?Wecancommunicate(交流)withothers_______.Theworldismademuch_______bythesmartphone.smallereasilyPresentationLookandguessGuessinggame

Whatinventionisit?Itisanoldbutusefulinvention.

Beforeitwasinvented,newstravelledveryslowly.Withit,newscanspreadaroundtheworldinseconds.AnItalianinventorcalledGuglielmoMarconiinventedit.Itdoesnotshowpictures,butyoucanhearitsvoice.radioGuglielmo/ˈɡʊgjelməʊ/Marconi古列尔莫·马科尼PresentationLookandsayWhoinventedtheradio?伽利尔摩・马可尼GuglielmoMarconi

/ɡuːˈljelməʊ/

/mɑːˈkəʊni/Newwords:

发明；编造

/ɪnˈvent/v.PresentationWatchandsayLet’slistentoknowmoredetailsabouttheradio.PresentationListenandchooseListentotheconversationandchoosethebestanswers.1.WhatdoesPeterthinkisthemostusefulinventionofalltime?A.ThetelevisionB.TheradioC.Thecomputer2.WhenwasaradiomessagefirstsentacrosstheAtlanticOcean?A.Inthe1890sB.In1901C.In19103.Whatotherinventionismentionedbecauseoftheradio?A.ThetelevisionB.ThetelephoneC.ThecameraTip:Payattentiontonumbers,namesandinventions.PresentationWatchandsayListenagainandfillintheblanksFuXing:Whatdoyouthinkisthemost

ofalltime,Peter?Peter:Ithastobetheradio.FuXing:Theradio?Why?Peter:Beforetheradio____,information___________veryslowly.Theworld_________muchsmallerbytheradio.Suddenly,newscould_________aroundtheworld

.FuXing:Right.Whowasthe

?Peter:AnItalianinventorcalledGuglielmoMarconi.He

inthe1890s.In1901,a

wassentacrosstheAtlanticOceanforthefirsttime.FuXing:Wow!Thatwasquitea_________atthattime.Peter:Yeah.Andbecauseoftheradio,someotherimportant__________weredevelopedaswell.FuXing:Likethetelevision?Peter:That'sright.Italsohadabigeffectonmusic.Theradiomadeitmucheasierforpeopletoenjoymusicfromartists

.usefulinventionwasinventedtravelledwasmadebespreadinsecondsinventordevelopedtheidearadiomessagedistanceinventionsaroundtheworld有用的发明PresentationLookandpredict1.

Whoisthemaninthepicture?

Whatishedoing?Hemaybetheinventoroftheradio.Heisdoingexperimentswithhisradioequipment.Lookatthepictureandanswerthequestions.PresentationReadandsayReadtheconversation.WhatdoesPeterthinkisthemostusefulinventionofalltime?Peterthinkstheradioisthemostusefulinventionofalltime.3a2.Whatdoes[radio]refertohere?有史以来A.B.PresentationLookandlearnWirelessTelegraphRadioEarlyradiosentmessagesbyradiowavesusingMorsecodeLaterradioareceiverforsoundplayedmusicandnews,peoplecalleditaradioRadiocanmeanboththeearlytechnologyandthelaterreceiverknowledge-extendingWhatisthedifference?PresentationReadandanswerWhatinformationabouttheradioismentionedintheconversation?TheinventorThetimeofitsinvention

ItseffectPresentationReadandcompleteReadagainandcompletethechart.3bLet’sreaditcarefullyandfindouttheanswers.PresentationReadandcompleteFuXing:Whatdoyouthinkisthemostusefulinventionofalltime,Peter?Peter:Ithastobetheradio.FuXing:Theradio?Why?Peter:Beforetheradiowasinvented,informationtravelledveryslowly.Theworldwasmademuchsmallerbytheradio.Suddenly,newscouldbespreadaroundtheworldinseconds.FuXing:Right.Whowastheinventor?Peter:AnItalianinventorcalledGuglielmoMarconi.Hedevelopedtheideainthe1890s.In1901,aradiomessagewassentacrosstheAtlanticOceanforthefirsttime.FuXing:Wow!Thatwasquiteadistanceatthattime.Peter:Yeah.Andbecauseoftheradio,someotherimportantinventionsweredevelopedaswell.FuXing:Likethetelevision?Peter:That'sright.Italsohadabigeffectonmusic.Theradiomadeitmucheasierforpeopletoenjoymusicfromartistsaroundtheworld.Who’stheinventor?Whenwasitinvented?Howdiditchangetheworld?①Theworldwasmade___________.Newscouldbespread_______________inseconds.muchsmalleraroundtheworldPresentationReadandcompleteFuXing:Whatdoyouthinkisthemostusefulinventionofalltime,Peter?Peter:Ithastobetheradio.FuXing:Theradio?Why?Peter:Beforetheradiowasinvented,informationtravelledveryslowly.Theworldwasmademuchsmallerbytheradio.Suddenly,newscouldbespreadaroundtheworldinseconds.FuXing:Right.Whowastheinventor?Peter:AnItalianinventorcalledGuglielmoMarconi.Hedevelopedtheideainthe1890s.In1901,aradiomessagewassentacrosstheAtlanticOceanforthefirsttime.FuXing:Wow!Thatwasquiteadistanceatthattime.Peter:Yeah.Andbecauseoftheradio,someotherimportantinventionsweredevelopedaswell.FuXing:Likethetelevision?Peter:That'sright.Italsohadabigeffectonmusic.Theradiomadeitmucheasierforpeopletoenjoymusicfromartistsaroundtheworld.Howdiditchangetheworld?②Someotherimportantinventions__________________.③Italso_____________onmusic.Theradiomadeitmucheasierforpeopleto__________.hadabigeffectenjoymusicweredevelopedaswellPresentationReadandcompleteReadagainandcompletethechart.3btheradioGuglielmoMarconiTheideawasdevelopedinthe1890s.In1901,aradiomessagewassentacrosstheAtlanticOceanforthefirsttime.①Itmadetheworldmuchsmaller.②Itledtootherimportantinventionslikethetelevision.③Itmadeitmucheasierforpeopletoenjoymusicfromartistsaroundtheworld.PresentationReadandsay1.HowdoesFuXingkeeptheconversationgoing?2.WhatdoesPetermeanbysaying“theworldwasmademuchsmaller”?Byaskingquestionsandgivingcomments.Itmeanstheradiohelpednewstravelfast.Peoplecouldquicklyknowwhathappenedfaraway,sotheworldfeltmuchsmaller.3.Whywasthe1901radiomessageimportant?

Itshowedthatmessagescouldtravelacrossagreatdistance.PresentationReadandsayReadagainandanalysistheconversation.FuXing:Whatdoyouthinkisthemostusefulinventionofalltime,Peter?Peter:Ithastobetheradio.FuXing:Theradio?Why?Peter:Beforetheradiowasinvented,informationtravelledveryslowly.Theworldwasmademuchsmallerbytheradio.Suddenly,newscouldbespreadaroundtheworldinseconds.FuXing:Right.Whowastheinventor?Peter:AnItalianinventorcalledGuglielmoMarconi.Hedevelopedtheideainthe1890s.In1901,aradiomessagewassentacrosstheAtlanticOceanforthefirsttime.FuXing:Wow!Thatwasquiteadistanceatthattime.Peter:Yeah.Andbecauseoftheradio,someotherimportantinventionsweredevelopedaswell.FuXing:Likethetelevision?Peter:That’sright.Italsohadabigeffectonmusic.Theradiomadeitmucheasierforpeopletoenjoymusicfromartistsaroundtheworld.WhatWhyWhoWhenHowPresentationReadandsayFuXing:Whatdoyouthinkisthemostusefulinventionofalltime,Peter?Peter:Ithastobetheradio.FuXing:Theradio?Why?Peter:Beforetheradiowasinvented,informationtravelledveryslowly.Theworldwasmademuchsmallerbytheradio.Suddenly,newscouldbespreadaroundtheworldinseconds.FuXing:Right.Whowastheinventor?Peter:AnItalianinventorcalledGuglielmoMarconi.Hedevelopedtheideainthe1890s.In1901,aradiomessagewassentacrosstheAtlanticOceanforthefirsttime.FuXing:Wow!Thatwasquiteadistanceatthattime.Peter:Yeah.Andbecauseoftheradio,someotherimportantinventionsweredevelopedaswell.FuXing:Likethetelevision?Peter:That'sright.Italsohadabigeffectonmusic.Theradiomadeitmucheasierforpeopletoenjoymusicfromartistsaroundtheworld.Fourquestionsinventionopinion/importanceinventor/historyinfluenceHowisthedialogueorganized?.PresentationListenandreadListentotheconversationandpayattentiontohowthekeyinformationisstressed.Thenrole-playtheconversation.3cFuXing:Whatdoyouthinkisthemostusefulinventionofalltime,Peter?Peter:Ithastobetheradio.FuXing:Theradio?Why?Peter:

Beforetheradiowasinvented,informationtravelledveryslowly.The

world

wasmademuchsmallerbytheradio.Suddenly,newscouldbespreadaroundtheworldinseconds.FuXing:Right.Whowastheinventor?Peter:AnItalianinventorcalledGuglielmoMarconi.Hedevelopedtheideainthe1890s.In1901,aradiomessagewassentacrosstheAtlanticOceanforthefirsttime.FuXing:Wow!Thatwasquiteadistanceatthattime.Peter:Yeah.Andbecauseoftheradio,someotherimportantinventionsweredevelopedaswell.FuXing:Likethetelevision?Peter:That’sright.Italsohadabigeffectonmusic.Theradiomadeitmucheasierforpeopletoenjoymusicfromartistsaroundtheworld.符合英语听力实词重读规则：名词、动词、形容词、核心时间/专有名词、疑问词重读；虚词弱读）Whatdoyouthink…?你认为…怎么样？Ithink…我认为…Whenwas…invented?……是什么时候发明的？Itwasinventedin…它是在……发明的。Whowastheinventor?是谁发明的？Itwasinventedby…它是被……发明的。PresentationLookandsay疑问词必重读：What、Why、Who话题核心名词重读：radio、invention、news、world、music、television关键形容词/副词重读：mostuseful、slowly、smaller、suddenly、big、easier专有名词、时间数字重读：GuglielmoMarconi、Italian、1890s、1901、AtlanticOcean实义动词重读：invented、travelled、spread、developed、sent、enjoy注意：冠词、介词、连词这类虚词轻读，不加重音，贴合日常口语朗读节奏符合英语听力实词重读规则：名词、动词、形容词、核心时间/专有名词、疑问词重读；虚词弱读）PresentationListenandrole-playListentotheconversationandpayattentiontohowthekeyinformationisstressed.Thenrole-playtheconversation.3cWhatdoyouthinkisthemostusefulinventionofalltime,Peter?Ithastobetheradio.PresentationWatchandimitatePresentationFillandretellFillintheblanksandthenretellthedialogue.InformationNotesInventionThe①________InventorGuglielmoMarconi,an②________inventorTimeInthe③________ImportanteventIn1901,amessagewas④

acrosstheAtlanticOcean.InfluenceNewsspreadquickly;itledtotelevisionandhelpedpeopleenjoy⑤________.radioItalian1890ssentmusicPresentationFillandretellAnexamplePeterthinksthemostusefulinventionofalltimehastoberadio.ItwasinventedbytheItalianinventorGuglielmoMarconi.Hedevelopedtheideainthe1890s.In1901,aradiomessagewassentacrosstheAtlanticOceanforthefirsttime.Beforetheradiowasinvented,informationtravelledveryslowly.Afteritsinvention,newscouldspreadaroundtheworldinseconds.Theworldwasmademuchsmallerbytheradio.Becauseoftheradio,someotherimportantinventionsweredevelopedaswell,likethetelevision.Italsohadabigeffectonmusic.What’smore,itmadeiteasierforpeopletoenjoymusicfromartistsaroundtheworld.Theradiotrulychangedpeople’slives.PresentationThinkandsayDeepthinkWhendoyouusearadioinyourdailylife?Whatotherinfluencedoyouthinktheradiohasonourworldtoday?SometimesIlistentotheradiowithmygrandparents.Theradiohelpsdriversknowtrafficinformationontheroad.WhatqualitiesdoyouthinkGuglielmoMarconihadtoinventtheradio?creativehard-workingbravecleverpersistentimaginativePresentationChooseanotherinventionyouthinkisthemostimportantandmakeamindmapaboutit.Thendescribeittoapartner.3dChooseanddescribeInvention:_______________Whowastheinventor?_________________________________Whenwasitinvented?_________________________________Howdiditchangetheworld?_________________________________gunpowderAncientChinesepeopleItwasinventedintheTangDynasty;itwaswidelyusedforwarsandfireworksintheSongDynastyItchangedoldfightingways,helpedmakenewweapons,andbroughtcolourfulfireworksforpeople’sfestivalsPresentationChooseanotherinventionyouthinkisthemostimportantandmakeamindmapaboutit.Thendescribeittoapartner.3dChooseanddescribeSampleIthinkgunpowderisthemostusefulinvention.ItwasinventedbyancientChinesepeopleintheTangDynasty.Later,itwaswidelyusedforwarsandfireworksintheSongDynasty.Itchangedtheworldbecauseitchangedoldfightingwaysandhelpedpeoplemakenewweapons.Besides,itbroughtcolourfulfireworksforpeople’sfestivals.PresentationWatchandsayHowdoyoufeelafterwatchingthevideo?Proud/excited.PresentationLookandsummarizeLet’ssummarizewhatwehavelearned.Wehavelearned:theradio‑themostusefulinventioninPeter’seyes.somenewphrasesaboutinventions.howtheradiochangedtheworld.Wecan:understandtheconversationaboutinventions.getkeyinformationfromthedialogue.makeamindmapanddescribeaninventiontoourpartner.PresentationClasstest

Ⅰ.用所给单词的适当形式填空1.

Thewishtoimproveourlivesisalwaysthedrivingforcefornew

_______________(invent).

2.

Thefactory________(produce)10,000mobilephoneslastmonth.

3.

Weshouldlearnhowtoconnectthe________(print)tothecomputer.

4.

Thegirl________(call)Lilyismynewclassmate.

5.

Shewearsahat__________(protect)herskinfromthestrongsun.inventions

producedprintercalledtoprotectPresentationClasst