人教版 九年级 英语 下册《Unit 6 L1 Section A (1a-2d)》课件

Unit6Whenwasitinvented?SectionA(1a-2d)人教版九年级（全）LearningObjectives1.introduceaninventionusingpassivevoice(pasttense);2.talkaboutthefunctionofaninventionusingthestructure“beusedfor”.Bytheendoftheclass,wewillbeableto:WhatwerethefourgreatinventionsinancientChina?compassgunpowderprintingpapermakingInwhatorderdoyouthinktheywereinvented?originatedintheWesternHanDynastyCaiLunintheEasternHanDynastyimprovedthepapermakingtechniqueoriginatedinSuiandTangDynastymovable-typeprintingwasinventedinSongDynastywasinventedinthemidTangDynastyoriginatedintheWarringStatesperiodwasinventedinSongDynastyCanyounamesomeofmoderninventions?moderninventionsAmongallthemoderninventions,fourinventionshavechangedpeople’slivesalot.Howdidtheychangepeople’slives?Chooseoneanddiscusswithyourpartners.E.g.Personalcomputersmadetasksfasterandcommunicationeasier.Telephonesallowedinstantcommunicationoverlongdistance.Itconnectedpeopletogetherandmadepeoplefeelcloser.Inwhatorderdoyouthinktheywereinvented?Discussthemwithyourgroup.Thennumberthem[1-4](1=first,4=last).A:IthinktheTVwasinvented

beforethecar.B:Well,IthinktheTVwasinventedafterthecar.4213Lookatthepicture.Whatarethegirlandhergrandmothertalkingabout?____1876____1885____1927____1971这些年份怎么读？“千”年怎么读？如2003,2010,2024。Listenandmatchtheinventionswiththeyears.____1876____1885____1927____1971dacbRole-playtheconversation.1876188519271971AlexanderBellKarlBenzJ.LBairdJohnNeumannA:Whenwas...invented?B:Itwasinventedin...A:Whowas...inventedby?B:Itwasinventedby...Herearesomeinterestinginventions.Guesswhatisit/aretheyusedfor?ShoeswithspecialheelsShoeswithlightshotice-creamscoop,runsonelectricityListenandnumbertheinventions[1-3]intheorderyouhearthem.312Listenagainandcompletethechartbelow.changinginthedarkservingMakeconversationsusingtheinformationin2b.A:Whataretheyusedfor?B:They’reusedfor...Lookatmoreinterestinginventions.Whataretheyusedfor?It’snotonlyadoorbutalsoaping-pongtable.It’susedforplayingpingponginanarrowspace.It’snotonlyachairbutalsoagoal（球门）.It’susedforplayingfootballwhilesitting.It’sadrinkingtie.It’susedfordrinkinganytimeandanywhere.Theyaretablewarepencaps.Theycanchangeyourpentoafork,aspoonoraknifeinstantly.Whichoftheseinterestinginventionsdoyouthinkisusefulinourdailylives?Lookatthisinvention.Whatisit?Wherecanyouseeit?zipperReadtheconversationandanswerthequestions.1.Whoinventedthezipper?2.Whenwasthezipperinvented?3.Whenwasitfirstwidelyused?WhitcombJudsoninventedthezipper.Itwasinventedin1893.Itwaswidelyusedaround1917.Howtointroduceaninvention?NameoftheinventionNameoftheinventorYearinventedPurposeoftheinventionInfluenceoftheinventionStoriesoftheinventorhaveapoint

有道理e.g.

Well,youknow,hedoeshaveapoint.pioneer

n.先锋，先驱itmentionedthat它提到Home