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Unit6Whenwasitinvented?SectionA1a-2dstyle样式；款式Newwords项目；工程高兴；愉快每日的；日常的projectpleasuredaily网站先锋；先驱列表；列清单；名单；清单提到；说到websitepioneerlistmentionDoyouknowwhattheseinventionsare?cartelephonetelevisionKarlBenzDoyouknowwhotheseinventorsare?AlexanderBellJ.L.BairdCanyoumatchtheinventionswiththerightinventors?1aLookatthethingsbelow.Inwhatorderdoyouthinktheywereinvented?Discussthemwithyourgroup.Thennumberthem[1-4].2314IthinktheTVwasinventedbeforethecar.Well,IthinktheTVwasinventedafterthecar.Ithink______.Well,Ithink___________.IthinktheTVwasinventedbeforethecar.Grammarwasinvented被发明一般过去时的被动语态的结构：was/were+及物动词的过去分词如：Thesetreeswereplantedlastyear.Thecarwasboughtyesterday.一般过去时的被动语态的疑问句型①一般疑问句：was/were+主语+过去分词+其他？Weretheflowersplantedlastspring?②特殊疑问句：特殊疑问词+was/were+主语+过去分词+其他？Whenwasthesportsmeetingheld?inventv.发明指经过认识和实践创造出前所未有的事物。翻译：爱迪生发明了电灯泡。Edisoninventedthelightbulb.invention名词，发明inventor名词，发明家★discover发现指发现某种本来存在，但以前未被发现或未为人所知的事物或现象。翻译：后来我发现他如此善良。LaterIdiscoveredthathewassokind.辨析：discover,invent与find★invent发明指发明以前不存在的东西。翻译：你知道谁发明的电脑吗？Doyouknowwhoinventedthecomputer?★find找到；发现指偶然发现或几乎没有困难地发现翻译：我在那个抽屉里发现了一些旧照片。Ifoundsomeoldphotosinthatdrawer.1.Edison_________theelectriclamp.2.Ilostmynecklacelastnight.Ihaven’t______it.3.Who___________Americafirst?inventedfounddiscovered练一练1bListenandmatchtheinventionswiththeyears._____1876_____1885_____1927_____1971dacbAlice:Wasyourlifevery_______whenyouwereakid?Grandma:Oh,_________.Why?Alice:Well,youdidn’thavemoderninventionslikeatelephone,right?Grandma:Ofcoursewedid!HowolddoyouthinkIam?Thetelephone___________in_____.Youneedtotakea_______class,Alice!difficultnotreallywasinvented1876historyTapescriptsAlice:Haha!Howabout____?Theyweren’tinventedyet,werethey?Grandma:Yes,theywere.Carswereinventedin_____.Myfamilyhadacar.cars1885Alice:Well,didyouhavea____?Grandma:No,wecouldn’t______one.Theywere_________inthosedays.TheTVwasinventedaround______,Ithink.Alice:Well,Iknowthatyoudidn’thavea________becausewelearnedinschoolthatpersonalcomputerswereinventedin______.Grandma:You’reright.ButIhaveonenow!TVaffordexpensive1927computer1971StudentB,coverthedates.StudentA,askStudentBwhenthethingsinthepicturein1bwereinvented.Thenchangerolesandpracticeagain.1cA:Whenwasthetelephoneinvented?B:Ithinkitwasinventedin1876.Ithinkitwasinventedin______.Whenwasthe______invented?Grammarcover在本句中为动词，意为“（用东西）盖住”。cover…with…用……盖住……被动形式:…becoveredwith…如：Snowcoveredtheground.StudentB,coverthedates.学生B遮住日期。Listenandnumbertheinventions[1-3]intheorderyouhearthem.2a___shoeswithspecialheels___shoeswithlights___hotice-creamscoop,runsonelectricity132Listenagainandcompletethechart.2bInventionWhatisit/aretheyusedfor?shoeswithspecialheels________thestyleoftheshoesshoeswithlightsseeing___________hotice-creamscoop________reallycoldice-creamchangingservinginthedarkThefirstinventionisshoeswith________.Peoplealwayshittheirtoesagainst__________onthewaytothebathroomatnight.Sopeoplecanusethemfor________inthe______.Listenagainandfillintheblanks.somethingseeingdarklightsThesecondinventionisahotice-cream______.Itrunson_________andbecomeshot.It’s_____forservingreally_____ice-cream.scoopelectricityusedcoldThelastinventionisshoeswithspecial_____.Peoplecanmovetheheels_____and______.Youcan_____theheelsifyouaregoingtoa______or______themifyouarejustgoingoutfor_________.heelsdownupraisepartylowershoppingAlex:Hi,Carol.Wow,whatarethose?Carol:Hello,Alex.Oh,thesearesomeoftheinterestinginventionsthatI’mwritingaboutformyEnglishhomework.Alex:Isee…What’sthat,then?Carol:They’reshoeswithlights.Youusethemforseeinginthedarkwhenyougetupatnight.TapescriptsAlex:Oh,that’sacoolidea!Ialwayshitmytoeagainstsomethingonthewaytothebathroomatnight.Carol:Nextisaspecialice-creamscoop.Thisismyfavoriteinvention.Itrunsonelectricityandbecomeshot.Alex:Iknowwhatit’sfor!It’susedforservingreallycoldice-cream.Carol:Yes,that’sright!ThelastinventionI’mgoingtowriteaboutisshoeswithspecialheels.Youcanmovetheheelsupanddown.Alex:Whataretheyusedfor?Carol:Well,youcanchangethestyleofyourshoes.Youcanraisetheheelsifyouaregoingtoapartyorlowerthemifyouarejustgoingoutforshopping.被用来……2cMakeconversationsusingtheinformationin2b.A:Whataretheyusedfor?B:They’reusedfor…Theyareusedfor______.Whatarethe______usedfor?Playroles2dReadthepassageandanswerthequestions.1.Whatisthesubjectfortheirschoolproject?2.WhatkindofinventiondoesRoythinkof?3.WhydoesRoythinkitisagreatinvention?4.Whoandwhenwasthezipperinvented?5.Whendidthezipperbecomepopular?1.Whatisthesubjectfortheirschoolproject?2.WhatkindofinventiondoesRoythinkof?Smallinventionsthatchangedtheworld.Thezipper.3.WhydoesRoythinkitisagreatinvention?4.Whoandwhenwasthezipperinvented?5.Whendidthezipperbecomepopular?Becauseitisoftenusedinourdailylives.WhitcombJudsoninventeditin1893.Around1917.Role-playtheconversation.Paul:HeyRoy,thesubjectformyschoolprojectis“Smallinventionsthatchangedtheworld.”Canyouhelpmethinkofaninvention?Roy:Withpleasure!①Letmethink…hmm…Iknow!Thezipper!Paul:Thezipper?Isitreallysuchagreatinvention?拉链；拉锁项目；工程Roy:Thinkabouthowoftenit’susedinourdailylives.Y