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Unit4AmazingScienceTopic1Whenwasitinvented?,SectionA,isspokenby,ShespeaksChinese.,isspokenby,HespeaksEnglish.,English,English.,He,him.,Chinese,Chinese.,She,her.,被动语态(PassiveVoice)be+done,主动语态：主语+动词+宾语被动语态：主语+be+过去分词+by+宾语,Manypeopleusecomputers.,Computers_by_.,Theworkersplanttreesinthegarden.,Trees_inthegarden_theworkers.,areused,manypeople,areplanted,by,Canyoutry？,Exercise,1.Trees_(water)inourschooleverythreedays.2.Thezoo_(visit)bylotsofchildrenonweekends.3.AJourneytoWest_(show)onCCTVeverysummer.4.OnChristmasDay,childrenwakeupearlyandcantwait_(open)theboxesofpresents.5.Wellhaveachance_(see)theflowershowthisweekend.,toopen,isshown,arewatered,tosee,isvisited,A:Whatsthelockmadeof?B:Itsmadeofmetal.A:Whatsitusedfor?B:Itsusedforlockingthedoor.,n.锁v.（用锁）锁上，被锁住,2Followtheexampletomakeupsimilarconversations.,lock/metal,A:Whatsthepapermadefrom?B:Itsmadefromwood.A:Whatsitusedfor?B:Itsusedforwritingon.,paper/wood,computerdesk/wood,chopsticks/bamboo,sweater/cotton,watch/metal,bemadeof由某种物质做成(看得出原材料，物理过程)bemadefrom由某种物质制成(看不出原材料，化学过程)bemadeupof由几部分组成bemadein在某地/某时制造bemadeby由某人制造bemadeinto被制成,1,2,Languagepoints,A.Whatsitmadeof?B.Itsmadeofmetal.A.Doyouknowwhatitisusedfor?B.Itsusedforsendingsatellitesorspaceshipsintospace.,Wow!Amodelrocket!,1aListen,lookandsay.,WhyisJaneunhappy?,BecauseJanewasnotallowedtoplaycomputergameslastnight.,allowv.允许1.allowsb.todosth.允许某人做某事2.allowdoingsth.允许做某事3.beallowedtodosth.被允许做某事,聚焦一般过去时的被动语态结构:助动词(was/were)+及物动词的过去分词1.肯定句式：主语+was/were+v.-ed2.否定句式：主语+was/were+not+v.-ed3.一般疑问句式：Was/Were+主语+vt.-ed4.特殊疑问句式：疑问词W/H+was/were+主语+v.-edE.g.Ane-mailwassenttoherfriendbyJaneyesterday.Ane-mailwasntsenttoherfriendbyJaneyesterday.Wasane-mailsenttoherfriendbyJaneyesterday?Whowasthee-mailsenttobyJaneyesterday?,Letssumuptogether.,1bListento1aandmarkT(True)orF(False).,Janeisunhappybecauseshewasnotallowedtogotoapartylastnight.()Kangkangsfathermadeamodelrocketforhim.()Therocketismadeofmetal.()Arocketisusedforsendingsatellitesorspaceshipsintospace.(),F,F,T,T,1cRead1aandanswerthefollowingquestions.,1.WhydidKankangaskJanenottospendtoomuchtimeoncomputergames?,Itsbadforherhealthifshespendstoomuchtimeonthem.,tootired,headache,soreeyes,2.Whatsarocketusedfor?Itsusedforsendingsatellitesorspaceshipsintospace.,beusedfor被用来做beusedtodo被用来做beusedas被用作usedtodosth.过去常做beusedtodoingsth.习惯于做,3.WhotaughtKangkangsomeknowledgeaboutspaceships?Mr.Brown.4.WhatsKangkangsdream?Hewisheshecouldgointospacesomeday.,someday-某一天，总有一天(将来)e.g.IwishIcouldhavemyownhousesomeday.,Ihopehisdreamwillcometrue.,cometrue-变成真的,实现realize/achieve-etrue,3aA.Listentotheconversationsandnumberthefollowingpictures.,2,3,1,3aB.Listenagainandcompletethetable.,plastic,plastic,metalandplastic,study,workandplay,communicate,takephotos,around1985,1973,around1975,Japan,America,America,3bWorkinpairs.Askandanswerquestionsbasedonthetablein3awithpassivevoice.,A:Whatisalaptopmadeof?B:Itismadeofplastic.A:Whatsitusedfor?B:Itisusedforstudying.A:Whenandwherewasitdeveloped?B:ItwasdevelopedinJapanin1985.,Example:,Focusonthemeaningincommunication.Dontbeafraidofmakingmistakes.,Changethefollowingsentences.1.Mymotherallowsmetousehercellphone.(改为被动语态)I_usemymotherscellphone.2.Arocketisusedforlaunchingsatellitesandspaceships.(就画线部分提问)_arocket_?3.Thedigitalcamerawasinventedin1975.(就划线部分提问)_thedigitalcamera_?4.Maybeheisaninventor.(改为同义句)He_aninventor.,amallowedto,Whatis,usedfor,Whenwas,invented,maybe,Exercises,Summary,Welearn:1.Somewords:lock,rocket,metal,satellite,spaceship2.Somephrases:bemadeof,beusedof,someday,cometrue3.Somesentences:(1)IwishIcouldgointospacesomeday.(2)Ihopeyourdreamwillcometrue.(3)-Whatisarocketusedfor?-Itsusedforsendingsatellitesorspaceshipsintospace.Wecan:Usethepassivevoice.,Assignment,Read1a.Memorizetheusefulexpressionsandkeysentencesthatwelearntoday.FinishSectionAinyourworkbook.PreviewSectionB.,ThankYou!,
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