Unit3Makeithappen!DevelopingideasListeningandspeaking（教学课件）-外研版英语八年级上册

DevelopingideasDevelopingideas—ListeningandspeakingMakeithappen!Unit3Bytheendoftheclass,wewillbeableto：1.describeaccidentalinventionsandtheirimpactsusingsimpleEnglish.2.understandthequalitiesofinventors,discusshowthesequalitiescontributetotheirinventions,andimprovetheirlisteningskills.3.talkaboutthedetailsofaninventionanditsinventor,includingthetime,place,anditsinfluence.4.learnthekeylanguagepointsandstructuresofthetextandapplythemincontext.

LearningObjectivesWatchandanswerQ1:

What’sthis?Q2:Whoinventedit?Q3:Whatcanwedowithit?Atelephone.AlexanderBell.Talkwithothers.贝尔，1847年出生于苏格兰的语音学世家。1869年，22岁的贝尔受聘于美国波士顿大学，担任声音生理学教授，专门研究听和说的生理功能。贝尔想发明一种助听器帮助聋哑人。当时，他想为聋哑人发明一种“可视语言”，让聋哑人从纸上的波形曲线看出说话的意思。由于识别曲线很不容易，他的设想没有实现。但是，在一次实验中，他发现了一个有趣的现象。当电路接通或断开时，螺旋线圈会发出轻微的噪声，类似于拍电报的“嗒、嗒、嗒”声。他想到：如果能用电流强度的变化模拟声波的变化，电是否可以像空气一样使薄膜发生振动发出声音？于是，他投身于电声转换原理的研究。珀西·斯本塞（PercySpencer）（1894-1970），美国人，发明家，微波炉的发明者。斯本塞于1894年生于美国亚特兰大城。1939年，他参加了海军，半年后因伤退役，进入美国潜艇信号公司工作，接触了各类电器，随后又进入专门制造电子管的雷声公司。Q1:What’sthis?Q2:Whoinventedit?Q3:Whatcanwedowithit?Amicrowaveoven.PercySpencer.Bakepotatoes(烤土豆)andwarmmilk(热牛奶).Watchandanswer1938年，美国新泽西州杰克逊实验室的化学家普朗克特在研究氟氯化碳气体时意外发现了一种新物质——不粘材料“特氟龙”，它不怕热、不怕水、不怕酸，并具有高熔点。最初，特氟龙被用于制造军事装备。直到1954年，法国工程师格里瓜尔的妻子科莱特提出将特氟龙涂在煎锅上的想法。经过格里瓜尔废寝忘食的努力，成功研制出将“特氟龙”和铝结合在一起的方法，从而创造出世界上第.一只不粘锅。因此，不粘锅的发明源于科莱特的灵感和格里瓜尔的创造力，使得无数家庭主妇能够轻松炊煮，成为了家庭生活中不可或缺的厨具之一。Q1:

What’sthis?Q2:Whoinventedit?Q3:Whatcanwedowithit?Anon-stickpan.Plunkett.FryEggs,pancakesandsteak.WatchandanswerQ1:

What’sthis?Q2:Whoinventedit?Q3:Whatcanwedowithit?Velcro.GeorgedeMestral.Fastenclothingaccessories(固定衣物配饰)andfixchildren’stoyparts(固定儿童玩具零件).WatchandanswerQ1:Whatdoyouthinkoftheseinventions?

Q2:Whatotheraccidentalinventionshaveyouknownthathavebroughtconveniencetopeopleintheirlivesandstudies?你还知道哪些意外发明给人们的生活学习带来的便利？Theyareuseful/helpful/great....ThinkingListentothenewsprogramme.Whatisitsmainpurpose?a.Toencourageyoungpeopletobecomeinventors.b.Tointroducesomedifferentinventionexhibitions.c.Toinvitepeopletocomeandseeaninventionexhibition.d.Toexplainthehistoryofsomeinventorsandinventions. ListeningPhonetiesinusePronunciation: /l/learnlet/r/remembarMaryPractisemore→P99

ListeningPlaceCityMuseumTime1May—2._____,9am—5pmTicketsAdults£303.________£15Chidrenunder124._________SpecialeventAtalkbyMaryBrown.Youcanlearnallaboutthe5.__________ofasuccessfulinventor.Itstartsat6._______amon1May.Listenagainandcompletetheadvertisement.ListeningListentothetalkandcompletethechart.Qualities1.________widelyNeverstop4.________Some6.________InventionexamplesSpencerSilverinventedatypeof2.________.Butitwastooweak.Later,ArthurFryfounditperfectforstickingnotesto3.________.ThisinventionwasthePost-itnote.TheWrightBrotherslearntfrom5.________andneverlosthope.Aboyleftaglassof7.________outsidewithastickinit.Thenextday,hefounditwasfrozen.Hetasteditandinventedtheicelolly.ListeningListenagain.Thentalkabouthowthespeakeropensthetalk.LearningtolearnOpeningatalkorspeechAgoodstartcanquicklycatchthelisteners’attention.Wecanstartbyaddressingthelistenersdirectly,askinganinterestingquestion,tellingastoryorsharingafamoussaying.PairworkWorkinpairs.Actoutaconversationaboutaninventionanditsinventor.CheckyourpresentationPresentyourpostertotheclass.languagecorrectform(形式正确)accuratemeaning(意义精确)properuse(使用恰当)posterdesigncreativity(创意)performanceconfidence(自信)OK

Good

ExcellentTryandpractise.Makeyourintonationbeautiful!forget作及物动词,意为“忘记（某事物）”；后面直接接名词或代词作宾语，表示忘记了某个具体的人、物或事情。eg.Iforgotmykeysathome.我把钥匙忘在家里了。a.忘记做某事（未做）：常用结构为forgettodostheg.Don’tforgettolockthedoorbeforeyougotobed.睡觉前别忘了锁门。b.忘记做过某事（已做）：常用结构为forgetdoingsth，表示忘记了过去已经发生过的动作或事情。eg.Iforgotclosingthewindow.WhenIgothome,itwasclosed.我忘了已经关了窗户。当我到家时，它是关着的。1.Forexample,in1928,DrAlexanderFlemingforgottocleanhislabbeforegoingonaholiday.2.Tointroducesomedifferentinventionexhibitions.

introduce[ˌɪntrəˈdjuːs]，及物动词。常见用法：introducesb/sth(tosb)意为“向某人介绍某人/某物”；invention[ɪnˈvenʃn]，名词，意为“发明”；exhibition[ˌeksɪˈbɪʃn]，名词，意为“展览”。I’dliketointroducemycousintoyou.Sheisreallynice.我想把我的表妹介绍给你。她人真的很好。

3.Toinvitepeopletocomeandseeaninventionexhibition.

invite[ɪnˈvaɪt]，及物动词。常见用法：invitesbtodosth意为“邀请某人做某事”。Sheinvitesherclassmatestojointhereadingclub.她邀请她的同学加入阅读俱乐部。4.Noteveryinventioniscreatedonpurpose.

onpurpose，固定短语，意为“故意地”，与“byaccident”（偶然地）意思相反。eg.Sometimesit’scompletelybyaccident!有时候它完全是偶然的!1.Manygreat____________(发明)havechangedourlivesgreatly,suchasthetelephoneandthecomputer.2.Scientistsaretryingto________(发现)newwaystotreatthisdisease.3.Takethis________(药)threetimesaday,andyou’llfeelbettersoon.inventionsdiscovermedicine一、词汇填空1.Ourteacherencouragesme__________(study)hard.2.Lastweek,I______(lose)mybike.3.Iwillinvitemy