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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Theworkersplanttreesinthegarden.Trees____

________inthegarden____theworkers.areplantedbyCanyoutry？Theworkersplantedtreesinthegardenlastyear.Trees_____

_______inthegarden____theworkerslastyear.wereplantedby1.Manypeopleusecomputers.Computers_____________by________________.areusedmanyp

eopleCanyoutry？2.ManypeopleusedcomputersonDec4th.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’sthepapermadefrom?B:It’smadefromwood.A:What’situsedfor?B:It’susedforwritingon.paper/woodRemember(见P118)3.b

eusedas被用作(强调被当做工具或手段来用）“Lock”canbeusedasanoun.1.beusedfor…被用来做（强调用途或作用）Stampsareusedforsendingletters.2.beusedtodo…被用来做（强调目的）Thesa

mewordswereusedtodescribehisfeeling.4.beusedby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)Thedes

kismadeofwood.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bema

deby由某人制造bemadeinto被制成12computerdesk/woodchopsticks/bamboosweater/cottonwatch/metalA:Whatis/are…usedfor?B:It’s/They’reusedfor….A:Whatis/ar

ethe…madeof/from?B:It’s/They’remadeof/from….Amodelrocket!1aListen,lookandsay.A.what’sitmadeof?A.Doyouknowwhatitisusedfor?B.It’susedforsendings

atellitesorspaceshipsintospace.B.It’smadeofmetal.注意：宾语从句用陈述句语序。1aListen,lookandsay1bListento1aandmarkT(True)orF(False).1.Janeisunhappyb

ecauseshewasnotallowedtogotoapartylastnight.()2.Kangkang’sfathermadeamodelrocketforhim.()3.Therocketismadeofmetal.()4.Aro

cketisusedforsendingsatellitesorspaceshipsintospace.()FFTTWhyisJaneunhappy?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1cRead1aandanswerthefollowingquestions.1.Whydi

dKankangaskJanenottospendtoomuchtimeoncomputergames?It’sbadforherhealthifshespendstoomuchtimeonthem.spend+时间/金钱+on+st

h.(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’susedforsen

dingsatellitesorspaceshipsintospace.3.WhotaughtKangkangsomeknowledgeaboutspaceships?4.What’sKangkang’sdream?someday----某一天，总有一天(将来)e.g

.IwishIcouldhavemyownhousesomeday.变成真的,实现Ihopehisdreamwillcometrue.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.Hewisheshecould

gointospacesomeday.Retell1a1.Janeis________becauseshe____not_____playcomputergameslastnight.2.Kangkangtoldshe____totime__them.3._______co

mputergames______herhealth.4.Amodelrocketmetal.Itisforsatellitesorspaceships____space.5.Kangkanglearnedalotabou

tspaceships____Mr.Brown.6.Hehecouldgointospace.7.JanehopesKangkang’sdreamwill.unhappywasallowedtonotspendtoomuchonPlay

ingisbadforismadeofusedsendingintohasfromwishessomedaycometrueSummaryWelearn:1.Somewords:lock,rocket,metal,satellite,sp

aceshiplaptopdigital2.Somephrases:beallowedtospend…ontoomuchbemadeof/from,beusedforsomeday,cometrue3.Somesentences:(1)IwishIc

ouldgointospacesomeday.(2)Ihopeyourdreamwillcometrue.(3)-Whatisarocketusedfor?-It’susedforsendingsatelliteso

rspaceshipsintospace.Wecan:Usethepassivevoice.Exercises•1.Trees__________(water)inourschoolthreedaysago.•2.Thezoo___________(visit)bylotsofchildr

enlastSunday.•3.AJourneytoWest___________(show)onCCTVlastsummerwerewateredwasvisitedwasshowedExercise1.Trees__________(water)inourschoole

verythreedays.2.Thezoo___________(visit)bylotsofchildrenonweekends.3.AJourneytoWest________(show)onCCTVeverysummer.4

.OnChristmasDay,childrenwakeupearlyandcan’twait______(open)theboxesofpresents.5.We’llhaveachance____

_(see)theflowershowthisweekend.toopenisshownarewateredtoseeisvisitedChangethefollowingsentences.1.Mymotherallowsme

tousehercellphone.(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.Maybeheisaninventor.(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。