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Unit4AmazingScienceTopic1Whenwasitinvented?SectionAisspokenbyShespeaksChinese.isspokenbyHespeaksEnglish.EnglishEnglish.Hehim.ChineseChinese.Sheher.

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.areusedmanypeopleareplantedbyCanyoutry？Exercise1.T

rees__________(water)inourschooleverythreedays.2.Thezoo___________(visit)bylotsofchildrenonweekends.3.AJ

ourneytoWest________(show)onCCTVeverysummer.isshownarewateredisvisitedUnit4AmazingScienceTopic1Whenwasitinvented?SectionAA:What’sthelockmadeof?B

:It’smadeofmetal.A:What’situsedfor?B:It’susedforlockingthedoor.n.锁v.（用锁）锁上，被锁住2Followtheexampletomakeupsimil

arconversations.lock/metalA:What’sthepapermadefrom?B:It’smadefromwood.A:What’situsedfor?B:It’susedforwritingon.paper/woodcomputerdesk/wood/hold

chopsticks/bamboo/eatsweater/cotton/keepwatch/metal/knowWhat’sitmadeof\from?It’smadeof\from…What’situsedfor?It‘susedfor…bemadeof由……制成(看得出

原材料)bemadefrom由…...制成(看不出原材料)1知识超链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A.What’sitmadeof?B.It’smadeofmetal.A.Doyouknowwhatitisu

sedfor?B.It’susedforsendingsatellitesorspaceshipsintospace.Wow!Amodelrocket!1aListen,lookandsay.1b、Follow1aandmar

kT(True)orF(False).1.Janeisunhappybecauseshewasnotallowedtogotoapartylastnight.()2.Kangkang’sfathermadeamodelrocketforhim.()3.T

herocketismadeofmetal.()4.Arocketisusedforsendingsatellitesorspaceshipsintospace.()FFTTWhyisJaneunhappy?•BecauseJanewasnotallowedtoplaycomputergames

lastnight.allowv.允许1.allowsb.todosth.允许某人做某事2.beallowedtodosth.被允许做某事3.benotallowedtodosth不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.Aletterwassent

toherfriendbyJaneyesterday.Aletterwasn’tsenttoherfriendbyJaneyesterday.WasalettersenttoherfriendbyJane

yesterday?WhowasalettersenttobyJaneyesterday?1cRead1aandanswerthefollowingquestions.1.WhydidKankangas

kJanenottospendtoomuchtimeoncomputergames?It’sbadforherhealthifshespendstoomuchtimeonthem.tootiredheadachesoreeyesspend…onsth某人在某事上花费……sp

end…indoingsth某人花费……做某事2.What’sarocketusedfor?It’susedforsendingsatellitesorspaceshipsintospace.beusedfordoin

gsrh被用来做……beusedtodosth被用来做……beusedas被用作……usedtodosth.过去常做某事beusedtodoingsth.习惯于做某事3.WhotaughtKangkangsomeknow

ledgeaboutspaceships?Mr.Brown.4.What’sKangkang’sdream?Hewisheshecouldgointospacesomeday.someday----某一天，总有一天(将来)e.g.IwishIcouldhavemydream

housesomeday.Ihopehisdreamwillcometrue.cometrue----变成真的,实现realize/achieve---makesth.cometrue3aA.Listento

theconversationsandnumberthefollowingpictures.231laptopcellphonedigitalcamera3aB.Listenagainandcompletethetable.InventionItemlaptopc

ellphonedigitalcameraMaterialUsageYearcountryplasticplasticmetalandplasticstudy,workandplaycommunicatetakephotosaround19851973aro

und1975JapanAmericaAmerica3bWorkinpairs.Askandanswerquestionsbasedonthetablein3awithpassivevoice.A:Whatisalaptopmadeof?B:Itism

adeofplastic.A:What’situsedfor?B:Itisusedforstudying.A:Whenandwherewasitdeveloped?B:ItwasdevelopedinJapanin1985.Example:Focusonth

emeaningincommunication.Don’tbeafraidofmakingmistakes.SummaryWelearn:1.Somewords:lock,rocket,metal,satellite,spaceship2.Somephrases:be

madeof,beusedof,someday,cometrue3.Somesentences:(1)IwishIcouldgointospacesomeday.(2)Ihopeyourdreamwillcometrue.(3)-Whatisaro

cketusedfor?-It’susedforsendingsatellitesorspaceshipsintospace.Wecan:Usethepassivevoice.•1、不被允许做某事•2、把……发射到……•3、在…花费……•4、某一天•5、由……制成•6、实现•7、

被用来做……benotallowedtodosthsend…intospend…on\doingsthsomedaybemadeof\fromrealize/achieve\cometruebeusedtodo\fordoingsth•()1.Allofthes

tudents_____tosmoke.•A.arenotallowB.isnotallow•C.arenotallowedD.isnotallowed•()2.Wasthiscakemade____yourmother?•A.inB.fromC.ofD.by•()3.Thepaper___w

ood.•AismadeofB.aremadeof•C.ismadefromD.aremadefrom•()4.Rocketsareusedfor___satellitesorspaceshipsintospa

ce.•A.sendB.tosendC.sendingD.sentCDCC