初中三年级英语上册第三课时课件.ppt

Unit6Whenwasitinvented?,SectionAPeriod2(3a3c),AnAccidentalInvention,Somethingaboutzipper,Doyouknowhowsmall_changedtheworld?Thatsthesubjectformy_.Iwanttointroducethe_.Itis_agreatinvention_itisoften_inour_.Zipperscan_dresses,_,shoes,bags,almosteverywhere.Ihaveseenona_thatthe_ofdifferentinventionswere_.Thereit_thatthezipperwasinvented_WhitcombJudsonin1893.Butitwasntused_atthattime.Inaround1917,itbecome_.,inventions,schoolproject,zipper,such,that,used,dailylives,seenon,trousers,website,pioneers,listed,mentioned,by,widely,popular,be,-Whatwouldyouliketodrinkifyouarethirsty?,-Idliketodrink_.,purewater,tea,isbrownandtastesdelicious,WhatsthemosttraditionaldrinkinChina?,Teahasalonghistory.Itwasinventedbyaccident.,blacktea红茶greenteamilktea,WhatsthemosttraditionaldrinkinChina?,Whatkindsofteadoyouknow?,1.Greentea,2.Blacktea,3.Wulongtea,4.Compressedtea（砖茶）,5.Scentedtea（花茶）,Whataretheeffects(功效）oftea?,MakeyoumorebeautifulKeepcancerfromyouHelpyouloseweightMakeyourmindclear.,Whataretheeffects(功效）oftea?,MakeyoumorebeautifulKeepcancerfromyouHelpyouloseweightMakeyourmindclear.,Whenisthebesttimetodrinkteainaday?,夏喝绿，冬喝红，一年四季喝乌龙。,Itsbesttodrinkteaanhouraftereating.,Differentseasons,differenttea,Whowasthefirsttodiscoverteaasadrink?,AChineserulerShenNong,Listenandanswer.,AChineserulerShenNong,boil(煮)thedrinkingwater,Theleavesfromateaplantfellintothewaterandremained（留在）thereforsometime.,overanopenfire在篝火上,produce(产生)anicesmell,Theteawasinventedbyaccident.(偶然地),anaccidentalinvention,Skimandmatchthemainideawitheachparagraph.,Paragraph1Paragraph2Paragraph3,LuYuandhisbookChaJing,Howteaspreadtoothercountries,Howteawasinventedbyaccident,AnAccidentalInvention,Itwasinventedabout5000yearsago.,ItwasinventedbytheChineserulerShenNong.,Itwasinventedbyaccident.,2.Whowasitinventedby?,3.Howwasitinvented?,1.Whenwasitinvented?,Para1:,First,.wasboilingoverfireSecond,fellintoandremainedThen,producedFinally,tastedanditwas,Para1.Howteawasinventedbyaccident?,Foursteps,1.WhoisLuYu?2.WhatisChaJingabout?,Thesaintoftea,Itdescribeshowteaplantsweregrownandusedtomaketea.Italsodiscusseswherethefinesttealeaveswereproducedandwhatkindsofwaterwereused.,Para2:LuYuandhisbookChaJing,Para3:Howteaspreadstoothercountries,Duringthe6thand7thcenturies,Around1660,Inlessthan100years,Inthe19thcentury,wasbroughtto,hadbecome,appeared,tookplace,time,events,Thisrefersto,theteatrade.,Teadidntappearuntilaround1660inEngland.,Whatstheresult?,1.Whatdoesthewriterthinkoftea(thestatusoftea茶的地位)?,Teaisthemostpopulardrinkintheworld.,2.Whoknowstheteaculturebest?,TheChinesearewithoutdoubttheoneswhobestunderstandthenatureoftea.,Chinesepeople,1.Oneoftheworldsfavoritedrinkswas_byaccident.2.Teawasfirst_byShenNongabout5,000yearsago.3.Anicesmellwas_whenthetealeavesdroppedintothehotwater.4.Teawas_toKoreaandJapanduringthe6thand7thcenturies.5.Teaisnow_betweenmanydifferentcountries.,3c.inventdrinkbringproducetrade,invented,drunk,produced,brought,traded,Languagepoints,1.Accidentn.意外；偶然事故Anaccidenthappenedtothewasher.冼衣机出了故障。byaccident：偶然；无意中：ImetJacobbyaccidentinthecinema。accidental：adj.偶然的，不测的；意外的accidentally：adv.偶然地，意外地,2.remain的用法,一、用作联系动词，指某人或某事物仍保持某种状态，意为“仍然；依旧”，“留；呆；住；待”，后面可接名词、代词、形容词、介词短语、分词作表语。1.接名词作表语Peterbecameamanager,butJackremainedaworker.彼得成为了一个经理，而杰克仍然是个工人。Itremainedasecret.这仍然是个秘密。,2.接形容词作表语Whateverachievementsyouvemade,youshouldremainmodest.无论你取得多么大的成就，你都该保持谦虚。3.接介词短语作表语Hehadtoremaininhospitaluntilhewasbetter.他不得不一直住院直到身体好些。,二、用作不及物动词，意思是“剩下；剩余；遗留”，此时不能用进行时态，也没有被动语态。Afterthefire,verylittleremainedofhishouse.火灾过后，他的家所剩无几。Aftertheearthquake,verylittleremainedofthecityofTangshan.地震过后，唐山这座城市所剩无几。,3.andremainedthereforsometime.,sometime一段时间；一些时间Illstayhereforsometime.我将在这儿呆一段时间。,sometimes是个频度副词，意为“有时”；sometime是个副词，意为“将来的某个时间”，Eg：Theywillcomesometimenextweek.sometime是名词短语,意思是“一段时间”,在句中常与for、take等词连用。sometimes是名词短语，意为“几次(倍)”,对它提问用howmanytimes。HowmanytimesdoyouwatchTVeveryweek？Sometimes,请记住下面口诀：分开是“一段”，相连为“某时”;分开s是“倍、次”，相连s是“有时”。,4.takeplace和happen的用法1)takeplace表示“发生、举行、举办”，一般指这种事件的发生一定有某种原因或事先的安排TheOlympicGamesof2008tookplaceinBeijing.,2)happen作“发生、碰巧”解，一般用于偶然或突发性事件Whathappenedtoyou?注意：happen与takeplace通常都没有被动语态。,What_her?她发生了什么事？2)I_meetmyfriendinthestreet.我碰巧在街上遇见了我的朋友。3)Whenwillthewedding_？婚礼什么时候举行？,happenedto,happenedto,takeplace,5.withoutdoubt毫无疑问；的确Withoutdoubtthisisthebest.无疑地这是最好的。,doubtn.怀疑；疑惑v.怀疑；不信任Hishonestyisbeyonddoubt.他的诚实毫无疑问。Thisquestionremainsindoubt.这个问题依然非常值得怀疑。,indoubt怀疑；拿不定主意no/without/beyonddoubt无疑地；必定；当然,saidthat据说believedthat据认为Itisreportedthat据报道knownthat众所周知supposedthat据推测,ItisbelievedthatteawasbroughttoKoreaandJapanduringthe6thand7thcenturies.,1.Theysoldthefridgeatalowprice.2.Somebodystolemycamerafrommyhotelroom.3.Wheredidyoutakethesephotos?4.Ourparentsadvisedusnottogooutalone.5.Differentwriterstranslatedthebookintodifferentlanguages.,Thefridgewassoldatalowprice.,Mycamerawasstolenfrommyhotelroombysomebody.,Wherewerethesephotostaken(byyou)?,Wewereadvisednottogooutalone(byourparents).,Thebookwastranslatedintodifferentlanguages(bydifferentwriters).,eat,lock,like,ring,invite,break,tell,bring,1.You_tothepartylastnight,werentyou?Whydidntyougo?2.Theearthquakehappenedallofasudden,butluckilythevillagers_toasafeplace.3.Thedoor_whenwearrived,sowe_thebell.4.Thestudents_nottoeatordrinkinclass,butRuby_therulewhenshestartedeatingabiscuitinscienceclass.5.Thecookies_bythehungrykidsinlessthan20minutes,andtheyreally_them.,wereinvited,werebrought,waslocked,rang,weretold,broke,wereeaten,liked,Thetelephone_(invent)byAlexanderGrahamBell.He_(born)in1847.Mr.Bell_(work)ontheinventionofthetelephonewithThomasWatson.In1875,Mr.Bell_(learn)howtosendmusicalnotesthroughaninstrumentsimilartoatelephone.Finally,thetelephone_(invent)in1876.Thefirs