Unit6SectionA（1a2d）课件人教版英语九年级英语全册

Whenwasitinvented?SectionA(1a2d)Grade9Learningaims掌握本课单词和短语bemadeof和bemadein的用法；了解一般现在时态被动语态的结构和用法；归纳和掌握make构成的短语papermakingprintinggunpowdercompassFourGreatInventionsWarmingupHowmanyinventionshaveyouseen?Whenwasitinvented?

PairWorkA:Whenwasitinvented?B:Ithinkitwasinvented

in…...在…（时间）被发明Whenwasitinvented?

PairWorkA:Whenwasitinvented?B:Ithinkitwasinvented

in…...A:Whenwasitinvented?B:Ithinkitwasinventedin…...Whenwasitinvented?

PairWorkLookatthethingsbelow.Inwhatorderdoyouthinktheywereinvented?Discussthemwithyourgroup.Thennumberthem[1-4].

23141aIthinktheTVwasinventedbeforethecar.Well,IthinktheTVwasinventedafterthecar.Ithinkthetelephonewasinventedbeforethecomputer.Well,Iagreewithyou.Listenandmatchtheinventionswiththeyears.

___1876___1885___1927___1971dacb1bStudentB,coverthedates.StudentA,askStudentBwhenthethingsinthepicturein1bwereinvented.Thenchangerolesandpracticeagain.

Whenwasthetelephoneinvented?Ithinkitwasinventedin1876.1cWhenwasthecarinvented?Itwasinventedin1885.WhenwastheTVinvented?Itwasinventedin1927.Listening(2a,2b:P69)312312highheelsadjustableheelsadjustable可调整的icecreamscoopheat加热scoopslippersabatterybatteriesoperate操作2b.Listenandfinishthesentences.Whereistheartandsciencefair?2.DoNickandMarcushavetopaytogo?3.Whatisthemodelplanemadeof?4.Whatisthepaintingmadefrom?

outsideNotheydon’t.woodglass.

grass,leaves.Theartandsciencefairis_______thesciencemuseum.___,_____________.Themodelplaneismadeofused_______and_______.Thepaintingismadefrom_______,_______and_______.flowersTheplaceofthefairThefairisfreeThingsatthefair√Nickwenttotheartandscience_____yesterday.Itwasoutsidethe_______________.Hesawmanycoolthingsthere.Thefairwasabout_____________protection.Ahugemodelplane_______________usedwoodandglass.Healsosawabeautiful________.Itwasmadefromgrass,________andflowers.Studentscanlearnalotfromthefair.FinishthepassagefairsciencemuseumenvironmentalwasmadeofpaintingleavesReadloudlyPage138.SectionA,2a/2bB:…

B:Isaw…A:Whatisitmadeof/from?A:Whatdidyouseeattheartandsciencefair?2c.Makeconversationsusingtheinformationin2aand2b.Paul:HeyRoy,thesubjectformyschoolprojectis“Smallinventionsthatchangedtheworld.”Canyouhelpmethinkofaninvention?Roy:Mypleasure!Letmethink…hmm…Iknow!Thezipper!Paul:Thezipper?Isitreallysuchagreatinvention?

Roy:Thinkabouthowoftenit’susedinourdailylives.Youcanseezippersondresses,trousers,shoes,bags…almosteverywhere!2dRole-playtheconversation.Paul:Well,youdoseemtohaveapoint…Roy:Ofcourse!IthoughtaboutitbecauseIsawawebsitelastweek.Thepioneersofdifferentinventionswerelistedthere.Forexample,itmentionedthatthezipperwasinventedbyWhitcombJudsonin1893.Butatthattime,itwasn’tusedwidely.

Paul:Really?Sowhendiditbecomepopular?Roy:Around1917.Whoinventedthezipper?ThezipperwasinventedbyWhitcombJudson.2.Whenwasthezipperinvented?Itwasinventedin1893.3.Whenwasitfirstusedwidely?Itwasfirstusedwidelyinaround1917.Readthedialoguein2d,thenanswerthequestionsbelow.Thezipperisoneofthesmallinventionsthatchangestheworld.It___________inourdailylives.Youcanseezippersalmosteverywhere.Thezipper________________WhitcombJudsonin1893.Butatthattime,it___________widely.Inaround1917,itbecamepopular.Fillintheblanksaccordingtotheconversation.isoftenusedinventedbywasn’tusedwasGroupWorkA:Whatisitusedfor?B:Itisusedformakingdumplings.beusedfordoing被用来做某事A:Whatisitusedfor?B:Itisusedforcarryingthings.A:Whatisitusedfor?B:Itisusedforcuttingapples.A:Whataretheyusedfor?B:Theyareusedforcleaning.A:Whataretheyusedfor?B:Theyareusedforreadinginthedark.B:Theyareusedforsleepingintheoffice.1.Emilyisgladthatshe____forherhonestyatthatmeeting.A.praisesB.praisedC.ispraisedD.waspraised2.Everybody______deeplyaftertheyheardthestory.A.movesB.movedC.ismovedD.wasmoved3.Thepetdogiswarmandloving,It___asadaughterofmyfamily.A.treatsB.treatedC.istreatedD.w