Unit1 When was it invented SectionA课件2

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1、Unit1Whenwasitinvented?MuseumInventionMuseumRuleOnlyonegroupthatgetsthemostscores(分数)canenterthemuseum.Guessing:Whatisit?MicrowaveovenItisusedforcookingandheatingfood(加热)Whatisitusedfor?Itisusedforcounting.calculatorWhataretheyusedfor?Theyareusedforgivinglight

2、.lightbulbsWhatis/are…usedfor?It’s/They’re…usedfor…alarmclockIt’sanannoyinginvention.BecauseitwakesmeupwhenI’msleeping.Ithinkcomputeristhemosthelpfulinvention.BecauseithelpsmesearchtheinformationthatIneed.Asurvey:Whatdoyouthinkisthemosthelpful/annoyinginventio

3、ns?NameHelpfulinventionsWhyAnnoyinginventionswhyUsefulexpressions:A:Whatdoyouthinkisthemosthelpful/annoyinginvention?B:Ithinkthemosthelpfulinventionis…A:Whyisthat?B:Well,itgives/helpspeople…Whowas(telephone)inventedby?ItwasinventedbyBell.HenryFordEdisonBellTs’

4、aiLunWrightbrothersfisherinventorsinventionsPapermakingPlaneWashingmachineLightbulbCarTelephone19761971197619271885Whenwasitinvented?1bListenandmatchtheinventionswiththedates.abedc18761885192719711976dabec18761885192719711976Whenwasthecarinvented?Itwasinvented

5、in1885.ChineseinventionsHowmanyinventionsdoyouknow?Groupwork:WhatWhenWhoBeusedforPrintingTangDynasty朝代ChineseMakingcopiesbattery-operatedslippersheatedicecreamscoopshoeswithadjustableheels电池供电的拖鞋加热的冰激凌勺可调节后跟的鞋2bListenagain.Matchtheinventionswiththeirinventorsa

6、nduses.Inventionshoeswithadjustableheelsbattery-operatedslippersheatedicecreamscoopWhowasit/weretheyinventedby?ChelseaLanmonJayceCoziarandJamieEllsworthJulieThompsonWhatisit/aretheyusedfor?scoopingreallycoldicecreamseeinginthedarkchangingthestyleoftheshoesmusi

7、ccandleactivityglassestemperaturecupChallenge:Trytobeaninventor!Thepassivevoice.被动语态被动语态的构成:be动词+(及物动词的)过去分词一般现在时一般过去时am(is,are)+donewas(were)+done{Homework:DescribeoneofyourinventionsAndthenwriteitdown.GoodBye!