人教新目標(biāo)版九上英語Unit6SectionA（1a-1c）【教案】

Unit6Whenwasitinvented?SectionA（1a-1c）TeachingAims1.語言能力：了解電話、小汽車、電視、電腦是什么時(shí)候被發(fā)明的。2.思維品質(zhì)：學(xué)會談?wù)撐锲肥鞘裁磿r(shí)候被發(fā)明的。3學(xué)習(xí)能力：用一般過去時(shí)的被動語態(tài)談?wù)摪l(fā)明的歷史。TeachingDifficulties用一般過去時(shí)的被動語態(tài)談?wù)摪l(fā)明的歷史。TeachingAidsmultimediacoursewareorotherrealiathattheTneedsforteachingTeachingProceduresTipsStep1Warmingup四大發(fā)明不是重點(diǎn)，它只為引出后面將會出現(xiàn)的四個(gè)現(xiàn)代發(fā)明。2.老師可用發(fā)明改變生活這條線串聯(lián)中國古代的四大發(fā)明和課本中出現(xiàn)的四個(gè)現(xiàn)代發(fā)明，讓學(xué)生體會到，無論是古代還是現(xiàn)代，我們的生活因?yàn)檫@些發(fā)明變得更加便利。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.“發(fā)明”，指經(jīng)過認(rèn)識和實(shí)踐創(chuàng)造出前所未有的事物。invention和inventor都是名詞，前者意為“發(fā)明”，后者意為“發(fā)明家”。invent,discover和findout的區(qū)別是：invent主要指發(fā)明世界上原本不存在的東西discover指發(fā)現(xiàn)一種世界上原本已經(jīng)存在，后來才被人們認(rèn)識到的東西findout指通過觀察、調(diào)查而發(fā)現(xiàn)事實(shí)真相Step4Summary&HomeworkSummaryAskSstodotheexercisesfromPPTP27-28.Homework:Previewtheconversationin2d.Dotheexercisesinstudents’book.TeachingReflectionThisistheperiodforlisteningandspeakingpractice.Beforelistening,studentstalkaboutthefourcommonthingsandgetthewordsreadyforli