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

r.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________________.T

heworkersplanttreesinthegarden.Trees____________inthegarden____theworkers.areusedmanypeopleareplantedbyC

anyoutry？Exercise1.Trees__________(water)inourschooleverythreedays.2.Thezoo___________(visit)bylotsofchildrenonweekends.3.AJourneytoWest____

____(show)onCCTVeverysummer.4.OnChristmasDay,childrenwakeupearlyandcan’twait______(open)theboxesofpresents.5.We’llhaveachanc

e_____(see)theflowershowthisweekend.toopenisshownarewateredtoseeisvisitedA:What’sthelockmadeof?B:It’smadeofmetal.A:What’situsedfor?B:It

’susedforlockingthedoor.n.锁v.（用锁）锁上，被锁住2Followtheexampletomakeupsimilarconversations.lock/metalA:What’sthepape

rmadefrom?B:It’smadefromwood.A:What’situsedfor?B:It’susedforwritingon.paper/woodcomputerdesk/woodchopsticks/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.Wha

t’sitmadeof?B.It’smadeofmetal.A.Doyouknowwhatitisusedfor?B.It’susedforsendingsatellitesorspaceshipsintospace.Wow!Amodelrocket!1aListe

n,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-mailwassenttoherfrie

ndbyJaneyesterday.Ane-mailwasn’tsenttoherfriendbyJaneyesterday.Wasane-mailsenttoherfriendbyJaneyesterday

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

lastnight.()2.Kangkang’sfathermadeamodelrocketforhim.()3.Therocketismadeofmetal.()4.Arocketisusedforsendingsatellitesorspaceshipsintospace.()FFTT1

cRead1aandanswerthefollowingquestions.1.WhydidKankangaskJanenottospendtoomuchtimeoncomputergames?It’sbadforherhealthifs

hespendstoomuchtimeonthem.tootiredheadachesoreeyes2.What’sarocketusedfor?It’susedforsendingsatellitesorspaceshipsintospa

ce.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.cometr

ue----变成真的,实现realize/achieve---makesth.cometrueChangethefollowingsentences.1.Mymotherallowsmetousehercellphone.(改为被动语态)I____________

____usemymother’scellphone.2.Arocketisusedforlaunchingsatellitesandspaceships.(就画线部分提问)_______arocket______?3.Thedigitalcamerawa

sinventedin1975.(就划线部分提问)________thedigitalcamera_______?4.Maybeheisaninventor.(改为同义句)He________aninventor.amallowedtoW

hatisusedforWhenwasinventedmaybeSummaryWelearn:1.Somewords:lock,rocket,metal,satellite,spaceship2.Somephr

ases:bemadeof,beusedof,someday,cometrue3.Somesentences:(1)IwishIcouldgointospacesomeday.(2)Ihopeyourdreamwillcometrue.(3)-

Whatisarocketusedfor?-It’susedforsendingsatellitesorspaceshipsintospace.Wecan:Usethepassivevoice.•Read1a.•Memorize

theusefulexpressionsandkeysentencesthatwelearntoday.•FinishSectionAinyourworkbook.•PreviewSectionB.