2023学年完整版九年级Unit6WhenwasitinventedWhenwasit

Whenwasitinvented?SectionA(1a-1c)教案Lessontype:Listening&SpeakingTeachingaims1.Knowledgeaims:(1)Mastertheusageofsomenewwordsandsentencepattern,andunderstandtheusagesofpassivevoiceinpasttense;(2)TalkaboutthehistoryofsomeinventionsinEnglish;2.Abilityaims:(1)CanusesomesimpleexpressionstocommunicateinEnglishclass;(2)Canimprovelisteningskills;(3)CanspeakoutinEnglish.3.Emotionalaims:(1)Learnaboutthehistoryofinventions,andfostertheinterestinthescience;(2)CanimprovetheconfidenceoflearningEnglish,andnotafraidofspeakingEnglish;(3)Canaskadvicesofothersactivelyandovercomethedifficultiesbravely.KeypointsanddifficultpointsKeypoint:Thestructureofpassivevoiceinpasttense“was/were+v.pp.”Difficultpoint:Usethestructurecorrectly.Teachingaids:ataperecorder,multimedia,picturesTeachingmethods:CommunicativeApproach,Task-basedTeachingMethod,Audio-LingualApproach.TeachingproceduresStep1Lead-inShowapictureofskylanternsandtalkaboutthematerial,inventorandtime.T:Fromthepassageof2ainlastunit,weknowthatskylanternsaremadeofpaperandbamboo.Also,wecanlearnthatskylanternswereinventedby…ZhugeKongming.Thencanweknowwhenskylanternswereinvented.Yes,youareright.TheywereinventedduringtheThreeKingdomsPeriod.Step2PresentationTalkaboutmoreinventionsinthehistory(1)WhatarethegreatestfourinventionsinancientChina?Whoweretheyinventedby?Whenweretheyinvented?Ok,Tonyisthefirstonetohandup!Pleasetellusyouranswer.HeansweredinChinese,isheright?Yes,heisright.ButdoyouknowhowtosaythesethingsinEnglish?Let’slookatthePPT.Theyarepowder,printing,compass,andpapermakinglet’slookatthePPTtolearnsomethingaboutthesefourinventions.(2)Moderninventions-talkabouttheordertheywereinvented.(before,after)Step3Pre-listening(1)Now,letusreviewthewayofreadingyearsfirst.Pleaselookattheblackboard,howtoreadtheseyears?Wecanreadtheyearastwoparts.Whenwereadthem,wecanreadthefirsttwonumbers,thenreadthesecondtwonumbers.Sotaketheyear“1876”asanexample,wecanstartwith“18”,thenread“76”.Areyouclear?Ok,verygood.Nowlet’sdosometoread1885?Eighteeneighty-five?Yes,itis.Whatabout1927?Whocanhaveatry?Lily,pleasehaveatry.Ok,shesaid“nineteentwenty-seven”.Issheright?Yes,sheisright!“2023”，thisoneisabitspecial.Usuallywereaditas“twothousandandone”,becausetherearetwozerosinthemiddleofthisnumber.Pleasepaymoreattentiontothiskindofnumbers.Anyquestions?Noquestions?Ok,everyone,pleaseturntopage41.Andlookatthepictureofthisunit.WhataretheyinEnglish?Yes,theyarecomputer,car,telephoneandTV.Sodoyouknowwhichonewasinventedfirst?Whichonewasinventedlast?Ok,hereIneedyouguess.Andworkinpairs,torankthemaccordingtothetimewhentheyinvented.Whenyoufinished,pleasechecktheanswerwithyourdeskmatebyusingtheconversationstructureonthePPT(IwillshowthefollowingconversationonPPT).Doyouunderstand?Ok,verygood,afterthatIwillchoosesomegroupstotellustheirorders.Now,dothepairwork.Takeyourtime.A:Ithink…wasinventedbefore…B:Well,Ithink…wasinventedafter….Ok,everygrouphasfinished.SoXiaoZhang,you,sitdownplease.ShesaidthefirstoneisTV,secondoneiscomputer,thenistelephone,thelastoneisdifferentideas?Ok,LiLei,whatisyourorder?Ok,verygood.Sitdownplease.HisanswerisalittledifferentwithXiaoHong’s.HebelievesthatTVwasinventedaftertelephone.Whatisyouropinions?So,isthereanyonewhoknowswhentheTVwasinventedandwhenthetelephonewasinvented?Ok,itseemsnoonecantellusthespecifictime.Nowletuslistentothetapeandfindoutthetimewhentheywereinvented.Step4While-listeningIwillplaythisrecordonlyonce,soyoushouldlistencarefully.Andcheckyouranswersin1a,andthenmatchtheinventionswiththeyearsinactivity1b.Areyouready?Ok,listencarefully!Ok,doyougettheusefulinformationfromthislistening?Ithinkmostofushaveknownthetimewhentheseinventionswerewantstotellmethecorrectanswer?Ok,David,pleasetellmeyouranswer!Ok,hisopinionis:telephonewasinventedin1876,carwasinventedin1885,TVwasinventedin1927,computerwasinventedin1971.Isheright?Yes,heis,excellent.Sitdown,wecanknowthattelephonewasinventedfirst,carwasinventedsecond,TVwasinventedthird,thelastinventedwascomputer.Ok,now,Iwillplaytherecordforthesecondtime.Atthistime,youshouldreadaftertherecordsilentlyandpayattentiontothestress,pronunciationandintonation.Areyouready?Ok,let’sbegin.Step5Post-listeningNow,let’smoveontoanotheraresupposedtomakeadialoguewithyourdeskmatebyusingtheinformationin1b.Let’slookatthedialoguefirst.Thefirstsentenceisaquestionsentence,onestudentasks,andtheotherstudentsanswers.Thenuseotherinventionsin1btoreplacetherelativeyouclear?Ok,5minutesforyou.Start!Areyoufinished?Ok,whowanttoshareyourdialoguewithus?Ok,AmyandBob,,verygood.Step6SummaryandHomeworkYoualldidverywellinthislesson.Nowlet’sdoasummary.Iaskandyouanswer,Ok?Whenwasthetelephoneinvented?Whenwasthecomputerinvented?Now,youaskandIanswer.Itwasinventedin1927.Itwasinventedin1