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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.Tre

es__________(water)inourschooleverythreedays.2.Thezoo___________(visit)bylotsofchildrenonweekends.3.AJourneytoWest__

______(show)onCCTVeverysummer.4.OnChristmasDay,childrenwakeupearlyandcan’twait______(open)theboxesofp

resents.5.We’llhaveachance_____(see)theflowershowthisweekend.toopenisshownarewateredtoseeisvisitedA:Wha

t’sthelockmadeof?B:It’smadeofmetal.A:What’situsedfor?B:It’susedforlockingthedoor.n.锁v.（用锁）锁上，被锁住2Followtheexampletomakeupsim

ilarconversations.lock/metalA:What’sthepapermadefrom?B:It’smadefromwood.A:What’situsedfor?B:It’susedforwritingon.paper/woodcomputerdesk/woodchop

sticks/bamboosweater/cottonwatch/metalbemadeof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12A.What’sitmadeof?B.It’smadeofmetal.A.Doyouknowwhatitisusedfor?B.It’susedfor

sendingsatellitesorspaceshipsintospace.Wow!Amodelrocket!1aListen,lookandsay.WhyisJaneunhappy?BecauseJanewasnotallowedtopla

ycomputergameslastnight.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.-ed

E.g.Ane-mailwassenttoherfriendbyJaneyesterday.Ane-mailwasn’tsenttoherfriendbyJaneyesterday.Wasane-mailsenttoherfriendbyJaneyesterd

ay?Whowasthee-mailsenttobyJaneyesterday?Let’ssumuptogether.1bListento1aandmarkT(True)orF(False).1.Janeisunhappybecau

seshewasnotallowedtogotoapartylastnight.()2.Kangkang’sfathermadeamodelrocketforhim.()3.Therocketismadeofmetal.()4.Arocketisusedforsendings

atellitesorspaceshipsintospace.()FFTT动画1a1aListen,lookandsay1cRead1aandanswerthefollowingquestions.1.Whyd

idKankangaskJanenottospendtoomuchtimeoncomputergames?It’sbadforherhealthifshespendstoomuchtimeonthem.tootiredheadachesoreey

es2.What’sarocketusedfor?It’susedforsendingsatellitesorspaceshipsintospace.beusedfor被用来做beusedtodo被用来做beusedas被用作usedtodosth.过去常做b

eusedtodoingsth.习惯于做3.WhotaughtKangkangsomeknowledgeaboutspaceships?Mr.Brown.4.What’sKangkang’sdream?Hewisheshecouldgointospa

cesomeday.someday----某一天，总有一天(将来)e.g.IwishIcouldhavemyownhousesomeday.Ihopehisdreamwillcometrue.cometrue----变成真的,实现realize/achieve---makesth.com

etrue3aA.Listentotheconversationsandnumberthefollowingpictures.2313aB.Listenagainandcompletethetable.InventionItemlaptopce

llphonedigitalcameraMaterialUsageYearcountryplasticplasticmetalandplasticstudy,workandplaycommunicatetakephotosaround19851

973around1975JapanAmericaAmerica3bWorkinpairs.Askandanswerquestionsbasedonthetablein3awithpassivevoice.A:Whatisalaptopmadeof?B:I

tismadeofplastic.A:What’situsedfor?B:Itisusedforstudying.A:Whenandwherewasitdeveloped?B:ItwasdevelopedinJap

anin1985.Example:Focusonthemeaningincommunication.Don’tbeafraidofmakingmistakes.Changethefollowingsentences.1.Mymotherallowsmetousehercel

lphone.(改为被动语态)I________________usemymother’scellphone.2.Arocketisusedforlaunchingsatellitesandspaceships.(就画线部分提问)__

_____arocket______?3.Thedigitalcamerawasinventedin1975.(就划线部分提问)________thedigitalcamera_______?4.Ma

ybeheisaninventor.(改为同义句)He________aninventor.amallowedtoWhatisusedforWhenwasinventedmaybeSummaryWelearn:1.Some

words:lock,rocket,metal,satellite,spaceship2.Somephrases:bemadeof,beusedof,someday,cometrue3.Somesentences:(1)IwishIcouldgointospacesomeday.(2)Ihop

eyourdreamwillcometrue.(3)-Whatisarocketusedfor?-It’susedforsendingsatellitesorspaceshipsintospace.Wecan:Usethepas

sivevoice.•Read1a.•Memorizetheusefulexpressionsandkeysentencesthatwelearntoday.•FinishSectionAinyourworkbook.•PreviewSectionB.