人教新目标版九上英语Unit6SectionA（1a-1c）【教案】

Unit6Whenwasitinvented?SectionA（1a-1c）TeachingAims1.语言能力：了解电话、小汽车、电视、电脑是什么时候被发明的。2.思维品质：学会谈论物品是什么时候被发明的。3学习能力：用一般过去时的被动语态谈论发明的历史。TeachingDifficulties用一般过去时的被动语态谈论发明的历史。TeachingAidsmultimediacoursewareorotherrealiathattheTneedsforteachingTeachingProceduresTipsStep1Warmingup四大发明不是重点，它只为引出后面将会出现的四个现代发明。2.老师可用发明改变生活这条线串联中国古代的四大发明和课本中出现的四个现代发明，让学生体会到，无论是古代还是现代，我们的生活因为这些发明变得更加便利。ShowSstwopicturesandasks:Whatarethepeopledoing?Heisprinting.2.Heismakingpaper.)ShowSsthepicturesofthefourgreatinventionsinancientChinaandaskiftheyknowtheEnglishnamesoftheseinventions.Then,askthemwhichinventionwasinventedfirstandwhichwasinventedlast.ShowSsavideoaboutthefourgreatinventionsinancientChina.Afterwatchingthevideo,Tcanmakeaconclusionthatinventionschangepeople’slives.TcanaskSstothinkabouthowthefourgreatinventionshavechangedpeople’slivesinancientChina.Step2Presentation&PracticePre-listeningAskSs:Doyouknowanymoderninventions?Thenshowthemthepicturesofcomputer,car,telephoneandTV.AskSstothinkandanswerthequestions:Canyouguesswhichoneofthemwasinventedfirst?Whichoneofthemwasinventedlast?WastheTVinventedbeforethecarorafterthecar?(Tip:TcanencourageSstousethepassivevoicewhenansweringthequestions.)1aAskSstoopentheirbooks,lookatthefourpicturesin1aanddiscusswhichinventionwasinventedfirst.Then,numberthepicturesfrom1to4.(Tip:AskSstousethesentencestructuresintheboxontheleftwhendiscussing.)While-listeningShowthepictureof1btoSs.Askthemtothinkaboutwhatthesepeoplearetalkingabout.Askthemtoguesstheyearinwhicheachinventionwasinvented.1bShowthevideoof1btoSs.Askthemtofinishthetaskin1b.(Answers:d1876a1885c1927b1971)Extension:ShowPPTP17toSsandaskthemtomatchtheinventorswiththeirinventions.telephone:AlexanderBell,car:KarlBenz,TV:J.L.Baird,computer:JohnvonNeumannAskSstolistenagainandanswerthequestions:1.Didtheolderladyhaveatelephone?2.Whydidn’ttheolderladyhaveaTV?3.Whydidn’ttheolderladyhaveapersonalcomputer?4.Canyouguesswhentheolderladywasborn?Post-listening1cAskSstoworkinpairsandfinishthetaskin1c.(Tip:TcanshowmoreinventionstoSs.TellSsthatmoremoderninventionscanbetalkedaboutin1c.)ShowSspicturesofdifferentinventions(PPTP23)andaskthemtothinkabouthowtheseinventionshavechangedpeople’slives.(Tip:TcanaskSstochooseoneortwoinventionsandhaveagroupdiscussion.)Step3Languagepointslearninginventv.“发明”，指经过认识和实践创造出前所未有的事物。invention和inventor都是名词，前者意为“发明”，后者意为“发明家”。invent,discover和findout的区别是：invent主要指发明世界上原本不存在的东西discover指发现一种世界上原本已经存在，后来才被人们认识到的东西findout指通过观察、调查而发现事实真相Step4Summary&HomeworkSummaryAskSstodotheexercisesfromPPTP27-28.Homework:Previewtheconversationin2d.Dotheexercisesinstudents’book.TeachingReflectionThisistheperiodforlisteningandspeakingpractice.Beforelistening,studentstalkaboutthefourcommonthingsandgetthewordsreadyforli