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ID:48820431
大小:2.64 MB
页数:31页
时间:2020-01-29
《英语人教版九年级全册第九单元Section A 1a—2d.ppt》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、SectionAUnit9Whenwasitinvented?MuseumInventionMuseumHowmuchisit?18Howmuchisit?RuleOnlyonegroupthatgetsthemostscores(分数)canenterthemuseum.Guessing:Whatisit?part1Guessing:Whatisit?Guessing:Whatisit?MicrowaveovenItisusedforcookingandheatingfood(加热)Whatfoodcanbeheatedinit?Whatisitused
2、for?Itisusedforcounting.calculatorWhataretheyusedfor?Theyareusedforgivinglight.lightbulbsWhatis/are…usedfor?It’s/They’re…usedfor…part2alarmclockIt’sanannoyinginvention.BecauseitwakesmeupwhenI’msleeping.Ithinkcomputeristhemosthelpfulinvention.Becauseithelpsmesearchtheinformationtha
3、tIneed.part3Asurvey:Whatdoyouthinkisthemosthelpful/annoyinginventions?NameHelpfulinventionsWhyAnnoyinginventionswhyUsefulexpressions:A:Whatdoyouthinkisthemosthelpful/annoyinginvention?B:Ithinkthemosthelpfulinventionis…A:Whyisthat?B:Well,itgives/helpspeople…part4Whowas(telephone)in
4、ventedby?ItwasinventedbyBell.HenryFordEdisonBellTs’aiLunWrightbrothersfisherinventorsinventionsPapermakingPlaneWashingmachineLightbulbCarTelephone19761971197619271885Whenwasitinvented?1bListenandmatchtheinventionswiththedates.abedc18761885192719711976dabec18761885192719711976part5
5、Whenwasthecarinvented?Itwasinventedin1885.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2aListenandnumbertheinventionsintheor
6、derthatyouhear.3122bListenagain.Matchtheinventionswiththeirinventorsanduses.Inventionshoeswithadjustableheelsbattery-operatedslippersheatedicecreamscoopWhowasit/weretheyinventedby?ChelseaLanmonJayceCoziarandJamieEllsworthJulieThompsonWhatisit/aretheyusedfor?scoopingreallycoldicecr
7、eamseeinginthedarkchangingthestyleoftheshoesmusiccandleactivityglassestemperaturecupChallenge:Trytobeaninventor!Welcome!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!
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