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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.areusedmanypeopleareplantedbyCanyout

ry？Exercise1.Trees__________(water)inourschooleverythreedays.2.Thezoo___________(visit)bylotsofchildrenonweekends.3.AJourneyt

oWest________(show)onCCTVeverysummer.4.OnChristmasDay,childrenwakeupearlyandcan’twait______(open)theboxesofpresents.5

.We’llhaveachance_____(see)theflowershowthisweekend.toopenisshownarewateredtoseeisvisitedA:What’sthelockmadeof?B:It’smadeofmetal.A:What’s

itusedfor?B:It’susedforlockingthedoor.n.锁v.（用锁）锁上，被锁住2Followtheexampletomakeupsimilarconversations.lock/m

etalA:What’sthepapermadefrom?B:It’smadefromwood.A:What’situsedfor?B:It’susedforwritingon.paper/woodbemadeof由某种物质做成(看得出原材料，物理过程)bemadef

rom由某种物质制成(看不出原材料，化学过程)beusedfor用于做某事12computerdesk/woodchopsticks/bamboosweater/cottonwatch/metalA.What’sitmadeof?B.It’smadeofmetal.A.Doyouk

nowwhatitisusedfor?B.It’susedforsendingsatellitesorspaceshipsintospace.Wow!Amodelrocket!1aListen,lookandsay.WhyisJaneunhappy?Beca

useJanewasnotallowedtoplaycomputergameslastnight.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-mailwasn’tsenttoherfriendbyJaneyester

day.Wasane-mailsenttoherfriendbyJaneyesterday?Whowasthee-mailsenttobyJaneyesterday?Let’ssumuptogether.1aL

isten,lookandsay1bListento1aandmarkT(True)orF(False).1.Janeisunhappybecauseshewasnotallowedtogotoapartylastnig

ht.()2.Kangkang’sfathermadeamodelrocketforhim.()3.Therocketismadeofmetal.()4.Arocketisusedforsendingsatellitesorspaceship

sintospace.()FFTT1cRead1aandanswerthefollowingquestions.1.WhydidKankangaskJanenottospendtoomuchtimeoncomputergames?It’sbad

forherhealthifshespendstoomuchtimeonthem.tootiredheadachesoreeyes2.What’sarocketusedfor?It’susedforsendingsatellitesorspaceships

intospace.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.WhotaughtKangkangsomeknowledgeaboutspace

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

couldhavemyownhousesomeday.Ihopehisdreamwillcometrue.cometrue----变成真的,实现realize/achieve---makesth.cometrue3.Listentotheconversationsandnumberthe

followingpictures.231Changethefollowingsentences.1.Mymotherallowsmetousehercellphone.(改为被动语态)I________________usemymoth

er’scellphone.2.Arocketisusedforlaunchingsatellitesandspaceships.(就画线部分提问)_______arocket______?3.Thedigitalcamerawasinventedin197

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

elearn:1.Somewords:lock,rocket,metal,satellite,spaceship2.Somephrases:bemadeof,beusedof,someday,cometrue3.Somesentences:(1)IwishIco

uldgointospacesomeday.(2)Ihopeyourdreamwillcometrue.(3)-Whatisarocketusedfor?-It’susedforsendingsatellitesorspa

ceshipsintospace.Wecan:Usethepassivevoice.•Read1a.•Memorizetheusefulexpressionsandkeysentencesthatwelearntoday.•FinishSectionAinyourworkbook.•Pre

viewSectionB.