Unit4Topic1SectionA3VIP专享VIP免费

Unit4AmazingScienceTopic1Whenwasitinvented?SectionAB:It’susedforlockingthedoor.n.锁v.（用锁）锁上，被锁住lockA:What’sthelockmadeof?bemadeof由……制成B:It’smadeofmetal.A:What’situsedfor?B:It’susedforwritingon.paperA:What’sthepapermadefrom?bemadefrom由……制成B:It’smadefromwood.A:What’situsedfor?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)bemadein在某地/某时制造bemadeby由某人制造bemadeinto被制成bemadeupof由几部分组成12computerdesk/wood/placecomputersonchopsticks/bamboo/eatsweater/cotton/keepwarmwatch/metal/tellusthetime3aA.Listentotheconversationsandnumberthefollowingpictures.2313aB.Listenagainandcompletethetable.InventionItemlaptopcellphonedigitalcameraMaterialUsageYearcountryplasticplasticmetalandplasticstudy,workandplaycommuni-catetakephotosaround19851973around1975JapanAmericaAmerica3bWorkinpairs.Askandanswerquestionsbasedonthetablein3awithpassivevoice.A:Whatisalaptopmadeof?B:Itismadeofplastic.A:What’situsedfor?B:Itisusedforstudying.A:Whenandwherewasitdeveloped?B:ItwasdevelopedinJapanin1985.Example:Focusonthemeaningincommunication.Don’tbeafraidofmakingmistakes.A.What’sitmadeof?B.It’smadeofmetal.A.Doyouknowwhatitisusedfor?B.It’susedforsendingsatellitesorspaceshipsintospace.Amodelrocket!1aListen,lookandsay.1bListento1aandmarkT(True)orF(False).1.Janeisunhappybecauseshewasnotallowedtogotoapartylastnight.()2.Kangkang’sfathermadeamodelrocketforhim.()3.Therocketismadeofmetal.()4.Arocketisusedforsendingsatellitesorspaceshipsintospace.()FFTT1aListen,lookandsay1.WhydidKankangaskJanenottospendtoomuchtimeoncomputergames?It’sbadforherhealthifshespendstoomuchtimeonthem.tootiredheadachesoreeyes2.What’sarocketusedfor?It’susedforsendingsatellitesorspaceshipsintospace.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.What’sKangkang’sdream?Hewisheshecouldgointospacesomeday.someday----某一天，总有一天(将来)e.g.IwishIcouldhavemyownhousesomeday.Ihopehisdreamwillcometrue.cometrue----变成真的,实现1.Keypoints2.Readthedialogallowv.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1.Mymotherallowsmetousehercellphone.(改为被动语态)I________________usemymother’scellphone.2.Arocketisusedforsendingsatellitesorspaceshipsintospace.(就画线部分提问)_______arocket______?amallowedtoWhatisusedfor3.Thedigitalcamerawasinventedin1975.(就划线部分提问)________thedigitalcamera_______?4.Maybeheisaninventor.(改为同义句)He________aninventor.WhenwasinventedmaybeSummaryWelearn:1.Somewords:lock,rocket,metal,satellite,spaceship2.Somephrases:bemadeof,beusedfor,someday,cometrue3.Somesentences:(1)IwishIcouldgointospacesomeday.(2)Ihopeyourdreamwillcometrue.(3)-Whatisarocketusedfor?-It’susedforsendingsatellitesorspaceshipsintospace.Wecan:Usethepassivevoice.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-mailwasn’tsenttoherfriendbyJaneyesterday.Wasane-mailsenttoherfriendbyJaneyesterday?Whowasthee-mailsenttobyJaneyesterday?Let’ssumuptogether.