Unit6WhenwasitinventedSectionA1a2c课件人教版英语九年级全册

Whenwasitinvented?SectionA1a-2cUnit6inventv.inventionn.inventorn.AlexanderBell亚历山大·贝尔KarlBenz卡尔·奔驰JohnvonNeumann约翰·冯·诺依曼J.L.Baird贝尔德Inventors

Whatdidtheyinvent?

AlexanderBell亚历山大·贝尔KarlBenz卡尔·奔驰JohnvonNeumann约翰·冯·诺依曼J.L.Baird贝尔德

Matchtheinventionswiththeinventors

1a

Inwhatorderdoyouthinktheywereinvented?

Discussthemwithyourgroup.Thennumberthem(1-4)(1=first,4=last)

4213Pre-listeningWhoarethey?Whataretheydoing?grandmotherAliceMaybeAlice'sgrandmotheristalkingtoAliceaboutherpastlife?listenandmatchtheinventionswiththeyears.1b______1876______1885______1927______1971dacbTips:catchthekeywords.年份的读法：1.两个数字一组，前后两组1865eighteensixty-five1989nineteeneighty-nine4.非四位数年份的读法531fivehundredandthirty-one2.前两个数字不为零，后两个数字为零1700seventeenhundred1900nineteenhundred3.千年的读法2000twothousand2001twothousandandoneSummaryThetelephone

wasinventedin______.It

wasinventedby___________.Thecar

wasinventedin______.It

wasinventedby___________.1876AlexanderBell1885KarlBenz.SummaryTheTV

wasinventedin______.It

wasinventedby___________.Thecomputer

wasinventedin______.It

wasinventedby___________.1927J.L.Baird1971JohnvonNeumannWhenwasthetelephoneinvented?Ithinkitwasinventedin

1876.Whowasitinventedby?Itwasinventedby

AlexanderBell.Role-playRole-playWhenwas...invented?Ithinkitwasinventedby...Itwasinventedby...Whowasitinventedby?2:001:591:581:571:561:551:541:531:521:511:501:491:481:471:461:451:441:431:421:411:401:391:381:371:361:351:341:331:321:311:301:291:281:271:261:251:241:231:221:211:201:191:181:171:161:151:141:131:121:111:101:091:081:071:061:051:041:031:021:011:000:590:580:570:560:550:540:530:520:510:500:490:480:470:460:450:440:430:420:410:400:390:380:370:360:350:340:330:320:310:300:290:280:270:260:250:240:230:220:210:200:190:180:170:160:150:140:130:120:110:100:090:080:070:060:050:040:030:020:010:00Weliveinaworldofinventions.Thesearewell-knowninventions.Doyouknowanyotherinventionsmoreinteresting?.hotice-reamscooprunsonelectricityshoeswithlightsshoeswithspecialheelsWhataretheyusedfor?

heat,digwhendopeopleneedlight?highheel,andlowheel,wecanmoveListenandnumbertheinventions(1-3)intheorderyouhearthem.2a___shoeswithspecialheels___shoeswithlights___hotice-creamscoop,runsonelectricity132Listenagainandcompletethechartbelow.2bInventionWhatisit/aretheyusedfor?shoeswithspecialheels________thestyleoftheshoesshoeswithlightsseeing___________hotice-creamscoop________reallycoldice-creamchangingservinginthedarkTips:catchthespecificinformation.Makeconversationsusingtheinformationin2b.2cA:Whatis/arethe...usedfor?B:Itis/Theyareusedfor...

Thefirstinventionisshoeswith_____.Peoplealwayshittheirtoesagainst___________onthewaytothebathroomatnight.Sopeoplecanusethemfor________inthe_______.Thesecondinventionisahotice-cream_______.Itrunson__________andbecomeshot.It’s________forservingreally_____ice-cream.Thelastinventionisshoeswithspecial_______.Peoplecanmovetheheels______and_____.Youcan_____theheelsifyouaregoingtoa______or______themifyouarejustgoingoutfor_________.Listenagainandfillintheblanks.lightssomethingseeingdarkscoopelectircityusedcoldheelsupdownraisepartylowershoppingGroupwork

InventionInventorTimeUsage(用途)lightbulbEdison1879givingligjhtcameraDaguerre1837takingpicturesairplaneWrightbrothers1903travelingcomputerJohnvonNeuman1976gettinginformationiphoneJobs2007talkingwithpeoplefirdgeHarrison1862keepingfoodfreshwashingmachineSmith1858washingclothesWhichonedoyouthinkisthemostusefulinvention?Trytointroduceittoyourclassmates.MakeareportTalkwithyourgroupmemberstofindoutusefulinventions.Chooseonepersontomakeareport.

anusefulinventionWhowasitinventedby?Whenwasitinvented?Whatisitusedfor?Hello,everyone!Ithinkthelightbulbisveryuseful.Itiswidelyusedinoureverydaylife.ItwasinventedbyEdison,anditwasinventedin1879.Ithinkitisusedforgivingoutlightandseeinginthedark.Ilovetheinvention.Howaboutyou?3:002:592:582:572:562:552:542:532:522:512:502:492:482:472:462:452:442:432:422:412:402:392:382:372:362:352:342:332:322:312:302:292:282:272:262:252:242:232:222:212:202:192:182:172:162:152:142:132:122:112:102:092:082:072:062:052:042:032:022:012:001:591:581:571:561:551:541:531:521:511:501:491:481:471:461:451:441:431:421:411:401:391:381:371:361:351:341:331:321:311:301:291:281:271:261:251:241:231:221:211:201:191:181:171:161:151:141:131:121:111:101:091:081:071:061:051:041:031:021:011:000:590:580:570:560:550:540:530:520:510:500:490:480:470:460:450:440:430:420:410:400:390:380:370:360:350:340:330:320:310:300:290:280:270:260:250:240:230:220:210:200:190:180:170:160:150:140:130:120:110:100:090:080:070:060:050:040:030:020:010:00

1.Readthelisteningmaterialin1band2bfor3times.6minutes