Unit5 Power of Ideas (Period 2)课件2026-2027学年人教版九年级上册英语

PowerofIdeas(Period2)SectionA(3a-3d)

人教版九年级上册英语Fillintheblanks.1.成百上千的学生聚集在操场上观看表演。

________________studentsgatheredintheplaygroundtowatchtheperformance.2.她买了一副太阳镜，防止眼睛被强烈的阳光照射。

Shebought________________________________toprotecthereyesfromthestrongsunlight.3.我认为智能手机是有史以来最有用的发明。

Ithinkthesmartphoneisthe________________________________________________.4.多读书能对我们的语言能力产生积极影响。

Readingmorebookscan________apositive________________ourlanguageability.HundredsofapairofsunglassesmostusefulinventionofalltimemakeinfluenceonFreetalkQ:What'sthemostusefulinventioninyouropinion?（你认为有史以来最有用的发明是什么？）01.Computer电脑现代科技的数字大脑，连接全球信息网络，彻底重塑了工作、学习与社交的方式，是信息时代的基石。02.Smartphone手机集通讯、娱乐、支付与导航于一体的智能终端，将世界浓缩于掌心，让生活更加便捷高效与多彩。03.TV电视家庭中的视听窗口，传递世界各地的新闻与娱乐，是获取资讯、放松身心以及连接社会的重要桥梁。04.Radio收音机跨越时空的声音媒介，不受画面限制，随时随地传递新闻、音乐与故事，是伴随几代人的经典发明。invent/ɪnˈvent/v.发明；创造；编造；虚构01核心释义①创造/发明：首次设计或制造出前所未有的新事物（如工具、技术或方法）；

②编造/虚构：凭空想出不存在的故事、借口或细节（常含贬义）。02高频搭配•inventsomething(new)发明某物•inventanexcuse编造借口

•inventastory/alie编造故事/谎言•inventamethod创造新方法03词汇家族•invention(n.)发明；发明物；创造力(abrilliantinvention)

•inventor(n.)发明家；创作者•inventive(adj.)有创造力的04情景例句1.Whoinventedthelightbulb?谁发明了电灯泡？

2.Heinventedastoryaboutbeingsicktoskipschool.他谎称生病来逃学。3D/ˌθriːˈdiː/adj.三维的|n.三维立体Fullform:three-dimensional01核心词义解析指物体具有长、宽、高三个空间维度，区别于平面的二维(2D)。它赋予视觉图像真实的立体感和深度，打破了平面的局限，广泛应用于设计、影视及工程领域。02高频实用搭配•3Dprinting—3D打印技术

•3Dmovie—立体电影

•3Dtechnology—三维成像技术

•3Dmodeling—三维建模设计03场景双语例句3Dprintingischanginghowwemakeproducts.

（3D打印正在改变我们制造产品的方式。）

Iwatchedafantastic3Dmovieyesterday.

（我昨天看了一部超棒的3D电影。）💡趣味百科：2Dvs3D

2D(two-dimensional)是只有长和宽的平面世界（如普通照片）；而3D增加了“深度”这一维度，模拟人眼的立体视觉。从早期的红蓝3D眼镜到如今的裸眼3D，这项技术让虚拟世界更真实。GuglielmoMarconi/ɡuʎˈʎɛlmomarˈkoːni/·古列尔莫·马科尼身份IdentityArenownedItalianinventorandelectricalengineer.Hewasapioneerinthedevelopmentofwirelesscommunicationtechnology.

著名的意大利发明家和电气工程师，是无线通信技术发展的先驱人物。成就AchievementHedevelopedradiointhe1890s.In1901,hesuccessfullysentthefirstradiomessageacrosstheAtlanticOcean.

19世纪90年代研发了无线电技术；1901年，他成功实现了人类首次跨越大西洋的无线电通信。地位StatusKnownasthe"FatherofRadio".Hewonthe1909NobelPrizeinPhysicsforhiscontributions.

被誉为“无线电之父”，并因其在该领域的卓越贡献荣获1909年诺贝尔物理学奖。"Marconi'sinventionbridgedcontinents,makingtheworldfeelsmallerandmoreconnectedthaneverbefore."Fillintheblankswiththecorrectwords.1.ThomasEdisoni__________theelectriclightbulbin1879.2.3Dp__________technologycancreatephysicalobjectslayerbylayer.3.GuglielmoMarconiwasafamousItaliani__________.4.Trytoi__________anewmethodtosolvethismathproblem.nventedrintingnventornventLet'sPredict!Observethevintageradioandthepeopleinthescene.Whatcluescanyoufindabouttheirconversation?Lookattheimagecarefully.Beforereadingthepassage,choosethetopicyouthinktheyaretalkingabout:A.AfamousinventorIsthereabrilliantcreatorbehindthisdevicebeingdiscussed?B.ThehistoryofradioAretheyexploringtheoriginsandevolutionofthistechnology?C.HowtomakearadioAretheytalkingaboutthepartsandstepstobuildit?D.MusicontheradioAretheyenjoyingprogramsormusicalbroadcaststogether?Readtheconversation.3aFuXing:Whatdoyouthinkisthemostusefulinventionofalltime,Peter?Peter:Ithastobetheradio.FuXing:Theradio?Why?Peter:Beforetheradiowasinvented,informationtravelledveryslowly.Theworldwasmademuchsmallerbytheradio.Suddenly,newscouldbespreadaroundtheworldinseconds.FuXing:Right.Whowastheinventor?Readtheconversation.3aPeter:AnItalianinventorcalledGuglielmoMarconi.Hedevelopedtheideainthe1890s.In1901,aradiomessagewassentacrosstheAtlanticOceanforthefirsttime.FuXing:Wow!Thatwasquiteadistanceatthattime.Peter:Yeah.Andbecauseoftheradio,someotherimportantinventionsweredevelopedaswell.FuXing:Likethetelevision?Peter:That'sright.Italsohadabigeffectonmusic.Theradiomadeitmucheasierforpeopletoenjoymusicfromartistsaroundtheworld.LanguagePoints01.ofalltime有史以来；一直以来Eg:Whatisthemostusefulinventionofalltime?译：有史以来最有用的发明是什么？02.Ithastobe...一定是…；肯定是…Eg:Ithastobetheradio.译：那肯定是收音机。03.bespreadaroundtheworld传遍全世界Eg:Newscouldbespreadaroundtheworldinseconds.译：消息可以在几秒钟内传遍全世界。04.haveabigeffecton...对…有很大影响Eg:Italsohadabigeffectonmusic.译：它也对音乐产生了巨大的影响。05.becauseof...因为；由于Eg:Becauseoftheradio,otherinventionsweredeveloped.译：因为收音机，其他发明也得以发展。LanguagePoints📝结构公式一般过去时·被动语态was/were+过去分词(done)💡规则：主语为单数或不可数名词用was；主语为复数或第二人称用were。该句型用于描述过去某个时间点或时间段内发生的被动动作，重点强调动作的承受者（即主语），而非动作的执行者。常与明确的过去时间状语（如yesterday,in1990,lastweek等）连用。01.信息传播的对比Beforetheradiowasinvented,informationtravelledveryslowly.翻译：在收音机被发明之前，信息的传播速度非常缓慢。02.跨洋通讯的突破AradiomessagewassentacrosstheAtlanticOceansuccessfully.翻译：一条无线电信息成功地跨越大西洋被发送出去。03.技术发展的延续Someotherimportantinventionsweredevelopedaswellinthatera.翻译：在那个时代，其他一些同样重要的发明也相继被研发出来。

短语适当形式填空📚备选：haveabigeffecton·becauseof·ofalltime1.Therapiddevelopmentofscienceandtechnology________________ourdailylivesnow.(产生重大影响)2.ManypeoplebelievethatBeethovenisoneofthegreatestmusicians________________.(有史以来)3.Alloutdooractivitieswerecanceled________________thesuddenstormlastnight.(因为)hasabigeffectonofalltimebecauseofWhatdoesPeterthinkisthemostusefulinventionofalltime?3a核心答案/KeyAnswerPeterthinksthemostusefulinventionofalltimeistheradio.深度探究/CriticalThinkingWhydoeshethinkso?Let'sreadthepassagecarefullytofindoutmorespecificdetailsabouthisreasonsandtheinfluenceoftheradioonhislife.🎯课堂任务：再次细读3a文本，划出文中支持该观点的关键信息，并与同桌分享你的发现。Readagainandcompletethechart.3bReadtheconversationagain.3bFuXing:Whatdoyouthinkisthemostusefulinventionofalltime,Peter?Peter:Ithastobetheradio.FuXing:Theradio?Why?Peter:Beforetheradiowasinvented,informationtravelledveryslowly.Theworldwasmademuchsmallerbytheradio.Suddenly,newscouldbespreadaroundtheworldinseconds.FuXing:Right.Whowastheinventor?Readtheconversationagain.3bPeter:AnItalianinventorcalledGuglielmoMarconi.Hedevelopedtheideainthe1890s.In1901,aradiomessagewassentacrosstheAtlanticOceanforthefirsttime.FuXing:Wow!Thatwasquiteadistanceatthattime.Peter:Yeah.Andbecauseoftheradio,someotherimportantinventionsweredevelopedaswell.FuXing:Likethetelevision?Peter:That'sright.Italsohadabigeffectonmusic.Theradiomadeitmucheasierforpeopletoenjoymusicfromartistsaroundtheworld.Checktheanswers.3b①Theradio.②GuglielmoMarconi.③In1901.④Theradiomadetheworldmuchsmaller.Itallowednewstobespreadaroundtheworldinseconds.Also,otherimportantinventionslikethetelevisionweredevelopedbecauseofit.Italsomadeitmucheasierforpeopletoenjoymusicfromartistsaroundtheworld.Listentotheconversation.Payattentiontohowthekeyinformationisstressed.Thenrole-playtheconversation.3cStudentA：FuXing(傅星)身份：大一新生，性格开朗热情。

任务：作为对话发起者，主动询问对方的周末安排，并表达出浓厚的兴趣与好奇，引导对方多说。StudentB：Peter(彼得)身份：交换生，幽默健谈。

任务：清晰介绍周末计划（如看电影、野餐），注意在“时间、地点、活动”等关键信息上加重语气，突出重点。📝核心任务(CoreMission)Listentotheconversationcarefullyandidentifyhowkeydetails(time,place,activity)arestressed.Thenworkinpairstorole-playfreely,makingnaturalresponses.仔细听对话，识别关键信息的重读方式；两人结对，自然地进行角色扮演并灵活应答。Readtheconversationagain.3cFuXing:Whatdoyouthinkisthemostusefulinventionofalltime,Peter?Peter:Ithastobetheradio.FuXing:Theradio?Why?Peter:Beforetheradiowasinvented,informationtravelledveryslowly.Theworldwasmademuchsmallerbytheradio.Suddenly,newscouldbespreadaroundtheworldinseconds.FuXing:Right.Whowastheinventor?Readtheconversationagain.3cPeter:AnItalianinventorcalledGuglielmoMarconi.Hedevelopedtheideainthe1890s.In1901,aradiomessagewassentacrosstheAtlanticOceanforthefirsttime.FuXing:Wow!Thatwasquiteadistanceatthattime.Peter:Yeah.Andbecauseoftheradio,someotherimportantinventionsweredevelopedaswell.FuXing:Likethetelevision?Peter:That'sright.Italsohadabigeffectonmusic.Theradiomadeitmucheasierforpeopletoenjoymusicfromartistsaroundtheworld.Chooseanotherinventionthatyouthinkisthemostimportantandmakeamindmapaboutit.Thendescribeittoapartner.3dMindMap3d🧠MindMapFramework/思维导图框架示例CoreTopic

Invention:_______BasicInfoInventor:_______

Time:_______WhyImportant?•Solvedabigproblem?

•Improvedsociety?LifeChanges•Communication?

•Work/Study?💡BrainstormIdeas/推荐选题ComputerThebrainofthedigitalage,transformingcalculation,datastorageandglobalconnectivity.SmartphoneMinicomputerinhand,connectingpeopleanytime,anywhere,changingdailylife.LightBulbBringinglighttothenight,extendinghumanactivitytimeandpromotingsocialdevelopment.PrintingPressRevolutionizingthespreadofknowledge,makingbooksaccessibletothepublic.PairWork3d🎯任务目标：Chooseoneinventionyouthinkisthemostimportantanddiscussitwithyourpartnerusingthefollowingsentences.👤StudentA:Whatdoyouthinkisthemostimportantinventioninhistory?Andwhydoyouthinkso?👤StudentB:Ithinkthe________isthemostimportant.Becauseit________.Ithasahugeeffecton________(e.g.,ourdailylives/thewaywework).👤StudentA:Wow,thatmakessense!Doyouknowwhoinventeditandwhenitcameout?👤StudentB:Itwasinventedby________in________.Sincethen,ithasbeenimprovedmanytimesandbecomeverypopular.核心话题/CoreTopic：Ifyoucouldinventonething,whatwouldyouinvent?Why?

（假如你拥有无限创造力，你会发明什么新事物？并阐述你的发明理由。）01.具体设想|TheInvention它是一个实体物品、一种服务还是一个APP？描述它的核心功能与外观特征，让它变得具象化。02.解决痛点|ThePurpose它解决了什么社会问题或个人烦恼？主要应用于哪些生活或工作场景？为何这个发明是“刚需”？03.深远影响|LifeImpact它将如何重塑人们的行为习惯？对环境、社会关系或工作效率有什么积极的连锁反应？04.创意命名|TheName给你的发明起一个响亮的名字！解释这个名字背后的含义、故事或美好的寓意。GroupDiscussion小组讨论OralOutput口语展示🎤Topic:

“TheMostImportantInventioninMyEyes”01.StateYourOpinion“Inmyopinion,themostimpor