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Unit4AmazingScienceTopic1Whenwasitinvented?SectionAisspokenbyShespeaksChinese.isspokenbyHespeaksEnglish.EnglishEn

glish.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.Trees__________(water)inourschooleverythreedays.2.Thezoo___________(visit)bylotsofchildrenonweekends.3.AJourneytoWest_

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

’llhaveachance_____(see)theflowershowthisweekend.toopenisshownarewateredtoseeisvisitedA:What’sthelockmadeof?B:It’sma

deofmetal.A:What’situsedfor?B:It’susedforlockingthedoor.n.锁v.（用锁）锁上，被锁住2Followtheexampletomakeupsimilarconversations.lock/met

alA:What’sthepapermadefrom?B:It’smadefromwood.A:What’situsedfor?B:It’susedforwritingon.paper/woodcomputerde

sk/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.What’sitmadeof?B.It’smadeofmetal.A.Doyouknowwhatitisusedfor?B.It’sused

forsendingsatellitesorspaceshipsintospace.Wow!Amodelrocket!1aListen,lookandsay.WhyisJaneunhappy?BecauseJanewasnotallowedtoplaycomputergamesla

stnight.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’tsenttoherfriendbyJaneyesterda

y.Wasane-mailsenttoherfriendbyJaneyesterday?Whowasthee-mailsenttobyJaneyesterday?Let’ssumuptogether.1bListento1aandmar

kT(True)orF(False).1.Janeisunhappybecauseshewasnotallowedtogotoapartylastnight.()2.Kangkang’sfathermadeamodelrocke

tforhim.()3.Therocketismadeofmetal.()4.Arocketisusedforsendingsatellitesorspaceshipsintospace.()FFTT1aListen,

lookandsay1cRead1aandanswerthefollowingquestions.1.WhydidKankangaskJanenottospendtoomuchtimeoncomput

ergames?It’sbadforherhealthifshespendstoomuchtimeonthem.tootiredheadachesoreeyes2.What’sarocketusedfor?It’susedforsendingsatellitesorspa

ceshipsintospace.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.Whotaught

Kangkangsomeknowledgeaboutspaceships?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realize/achieve---makesth.cometrue3aA.Lis

tentotheconversationsandnumberthefollowingpictures.2313aB.Listenagainandcompletethetable.InventionItemlaptopcellphonedigitalcameraMaterialUsageYearc

ountryplasticplasticmetalandplasticstudy,workandplaycommunicatetakephotosaround19851973around1975JapanAmericaAmerica3bWorkinpairs.Askandanswerques

tionsbasedonthetablein3awithpassivevoice.A:Whatisalaptopmadeof?B:Itismadeofplastic.A:What’situsedfor?B:Itisu

sedforstudying.A:Whenandwherewasitdeveloped?B:ItwasdevelopedinJapanin1985.Example:Focusonthemeaningincommunication.Don’tbe

afraidofmakingmistakes.Changethefollowingsentences.1.Mymotherallowsmetousehercellphone.(改为被动语态)I________

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

inventedin1975.(就划线部分提问)________thedigitalcamera_______?4.Maybeheisaninventor.(改为同义句)He________aninventor.amallowedtoWhatisuse

dforWhenwasinventedmaybeSummaryWelearn:1.Somewords:lock,rocket,metal,satellite,spaceship2.Somephrases:bemadeof,beusedof,someday,cometrue3.Somese

ntences:(1)IwishIcouldgointospacesomeday.(2)Ihopeyourdreamwillcometrue.(3)-Whatisarocketusedfor?-It’susedforsendin

gsatellitesorspaceshipsintospace.Wecan:Usethepassivevoice.•Read1a.•Memorizetheusefulexpressionsandkeysentencesthatwelearntoda

y.•FinishSectionAinyourworkbook.•PreviewSectionB.