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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Theworkersplanttreesinthegarden.Trees_________

___inthegarden____theworkers.areplantedbyCanyoutry？Theworkersplantedtreesinthegardenlastyear.Trees____________inthegarden____theworkerslastye

ar.wereplantedby1.Manypeopleusecomputers.Computers_____________by________________.areusedmanypeopleCanyoutry？2.M

anypeopleusedcomputersonDec4th.Computers_____________by________________onDec4.wereusedmanypeopleA:What’situsedfor?B:It’susedforlockingthedoor.A:What

’sthelockmadeof?B:It’smadeofmetal.n.锁v.（用锁）锁上，被锁住2Followtheexampletomakeupsimilarconversations.lock[`metl]n.金属vt.以金属覆盖metalA:What’sthepaperm

adefrom?B:It’smadefromwood.A:What’situsedfor?B:It’susedforwritingon.paper/woodRemember(见P118)3.beusedas被用作(强调被当做工具或手段来用）“Lock”canbeusedasa

noun.1.beusedfor…被用来做（强调用途或作用）Stampsareusedforsendingletters.2.beusedtodo…被用来做（强调目的）Thesamewordswereusedtodescribehisfeeling.4.b

eusedby被……使用,by后接人或物（强调使用者）Thecomputerisoftenusedbytheteacher.bemadeof由某种物质做成(看得出原材料，物理过程)Thedeskismadeo

fwood.bemadefrom由某种物质制成(看不出原材料，化学过程)Thepaperismadefromwood.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12computerdesk/woodchopsti

cks/bamboosweater/cottonwatch/metalA:Whatis/are…usedfor?B:It’s/They’reusedfor….A:Whatis/arethe…madeof/from?B:It’s/T

hey’remadeof/from….Amodelrocket!1aListen,lookandsay.A.what’sitmadeof?A.Doyouknowwhatitisusedfor?B.It’susedf

orsendingsatellitesorspaceshipsintospace.B.It’smadeofmetal.注意：宾语从句用陈述句语序。1aListen,lookandsay1bListent

o1aandmarkT(True)orF(False).1.Janeisunhappybecauseshewasnotallowedtogotoapartylastnight.()2.Kangkang’sfathermadeamodelrocketforhim.()3.Ther

ocketismadeofmetal.()4.Arocketisusedforsendingsatellitesorspaceshipsintospace.()FFTTWhyisJaneunhappy?BecauseJanewasnotallowedtoplaycomputergameslast

night.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1cRead1aandanswerth

efollowingquestions.1.WhydidKankangaskJanenottospendtoomuchtimeoncomputergames?It’sbadforherhealthifshespendst

oomuchtimeonthem.spend+时间/金钱+on+sth.(in)doingsth.把时间/金钱花在某物/做某事上…He______15minutes_________Englishyesterday.他昨天

花15分钟读英语。spentonreading2.What’sarocketusedfor?•.It’susedforsendingsatellitesorspaceshipsintospace.3.WhotaughtKan

gkangsomeknowledgeaboutspaceships?4.What’sKangkang’sdream?someday----某一天，总有一天(将来)e.g.IwishIcouldhavemyownhousesomeday.变成真的,实现Ihopehisdreamwillcome

true.wish+that从句:表示某种强烈而又难以实现的“愿望”,hope+that从句：表示可以实现或能达到的“希望”.Mr.Brown.Hewisheshecouldgointospacesomeday.Retell1a1.Janeis________becauseshe_

___not_____playcomputergameslastnight.2.Kangkangtoldshe____totime__them.3._______computergames______herhealth.4.Amodelrocketm

etal.Itisforsatellitesorspaceships____space.5.Kangkanglearnedalotaboutspaceships____Mr.Brown.6.Hehecouldgointospace.7.JanehopesKangkang’sd

reamwill.unhappywasallowedtonotspendtoomuchonPlayingisbadforismadeofusedsendingintohasfromwishessomedaycometrueSummaryW

elearn:1.Somewords:lock,rocket,metal,satellite,spaceshiplaptopdigital2.Somephrases:beallowedtospend…ontoomuchbem

adeof/from,beusedforsomeday,cometrue3.Somesentences:(1)IwishIcouldgointospacesomeday.(2)Ihopeyourdreamwillcometrue.(3)-Whatisarocketusedfor?-It’su

sedforsendingsatellitesorspaceshipsintospace.Wecan:Usethepassivevoice.Exercises•1.Trees__________(water)inourscho

olthreedaysago.•2.Thezoo___________(visit)bylotsofchildrenlastSunday.•3.AJourneytoWest___________(show)onCCTVlastsummerwerewate

redwasvisitedwasshowedExercise1.Trees__________(water)inourschooleverythreedays.2.Thezoo___________(visit)bylotsofchildrenonweekends.3.AJour

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

see)theflowershowthisweekend.toopenisshownarewateredtoseeisvisitedChangethefollowingsentences.1.Mymotherallowsmeto

usehercellphone.(改为被动语态)I________________usemymother’scellphone.2.Arocketisusedforlaunchingsatellitesandspa

ceships.(就画线部分提问)_______arocket______?3.Thedigitalcamerawasinventedin1975.(就划线部分提问)________thedigitalcamera_______?4.Maybeheisan

inventor.(改为同义句)He________aninventor.amallowedtoWhatisusedforWhenwasinventedmaybeHomework1.复习本课单词。2.背诵1a和2.3.完成同步练习SectionA.4.预习SectionB单词和课文。