【课件】仁爱版九上课件Unit 4 Topic 1 When was it invented

Unit4AmazingScience

Topic1Whenwasitinvented?SectionA

isspokenbyShespeaksChinese.

isspoken

by

HespeaksEnglish.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.areusedmanypeopleareplantedbyCanyoutry？Exercise1.Trees__________(water)inourschooleverythreedays.2.Thezoo___________(visit)bylotsofchildrenonweekends.3.AJourneytoWest________(show)onCCTVeverysummer.4.OnChristmasDay,childrenwakeupearlyandcan’twait______(open)theboxesofpresents.

5.We’llhaveachance_____(see)theflowershowthisweekend.toopenisshownarewateredtoseeisvisitedbemadeof

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12Languagepoints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’tsenttoherfriendbyJaneyesterday.

Wasane-mailsenttoherfriendbyJaneyesterday?

Whowasthee-mailsenttobyJaneyesterday?Let’ssumuptogether.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.-edThedoorwasopened.门被打开了。2.否定句式：主语+was/were+not+v.-edThedoorwasnotopened.门没被打开。3.一般疑问句式：Was/Were+主语+vt.-ed4.特殊疑问句式：疑问词W/H+was/were+主语+v.-ed1beallowedtodosth.被允许做某事,allowsb.todosth.允许某人做某事；allowdoingsth.允许做某事。e.g.Sheallowedmetogofishing.她允许我去钓鱼。Wedon’tallowsmokinginthereadingroom.我们不允许在阅览室吸烟。2toomuch既是形容词短语，也是副词短语，所以它既可修饰名词也可修饰动词。e.g.toomuchwater；eattoomuch太多的水吃得太多.另外注意toomuch后接的是不可数名词；toomany+可数名词复数；muchtoo常用在形容词或副词之前修饰形容词或副词。e.g.muchtoolong太长，muchtoofast太快3showv.给……看。showsth.tosb.=showsb.sth.把某物给某人看。e.g.Canyoushowyournewwatchtome?=Canyoushowmeyournewwatch?你能把新手表给我看看吗？showsb.around...带领某人参观。e.g.Welcometomycity.I’llshowyouaroundsomeplacesofinterest.欢迎来我市，我将带你参观一些名胜古迹。shown.展览、展示,onshow展出。e.g.ThereisaTVplayonshowonCCTV-1.在中央一台有一部电视剧在播放。4bemadeof/from由……制成。bemadeof(看得出原材料)；bemadefrom(看不出原材料)。e.g.Thedeskismadeofwood.桌子是由木材制成的。Paperismadefromwood.纸是由木材制成的。bemadein在……制造。e.g.ThewatchismadeinShanghai.手表是在上海制造的。bemadebysb.由某人制造。e.g.Themodelplanewasmadebymyfather.飞机模型是我爸爸做的。5beusedfor被用来做……。e.g.Pensareusedforwriting.钢笔被用来写字。这种结构也可以变成beusedtodosth.。类似的结构还有:beusedas被用作；beusedby被谁所用。e.g.EnglishisusedasaforeignlanguageinChina.英语在中国被当做外语。Computersareusedbysomepeopleastoys.电脑被有些人当玩具用。beused后还可以跟不定式。e.g.ThismachinecanbeusedtostudyEnglish.这种机器可用来学习英语。6wish(希望)后面接that从句常用虚拟语气。本句表达康康的主观臆想，不一定能实现，像这种表示主观愿望和假想的语气叫虚拟语气。当表示现在的愿望，从句中谓语动词用过去式；当表示将来的愿望，从句中动词用could/would加动词原形。e.g.IwishthatIdidn’thavetogotoworktoday.我希望今天不用上班。IwishIcouldhavemyownhouse.我希望我能拥有自己的房子。7cometrue变成真的，实现。come这里起到连系动词的作用。go也有类似用法。e.g.Thefishhasgonebad.这鱼已经变坏了。Changethefollowingsentences.1.Mymotherallowsmetousehercellphone.(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.am

allowed

to

What

isusedforWhenwas

inventedmaybe

ExercisesSummaryWelearn:

1.Somewords:

lock,rocket,metal,satellite,spaceship

2.Somephrases:

bemadeof,beusedof,someday,cometrue

3.Somesentences:

(1)IwishIcouldgointospacesomeday.(2)Ihopeyourdreamwillcometrue.(3)-Whatisarocketusedfor?-It’susedforsendingsatellitesorspaceshipsintospace.

Wecan:Usethepassivevoice.()1.Thelaptop_____inJapanin1985.Itisusedforstudying.

A.isdeveloped B.wasdeveloped C.developed

D.develops()2.Nowmoreandmoreman-madesatellitesare_____byhumans.

A.sentfor B.sendup C.sentup D.sentinto()3.Iwasmade_____thisorthatwhileworkingasawaiterinthishotel.

A.do B.doing C.todo D.didBCCUnit4AmazingScience

Topic1Whenwasitinvented?

SectionB()1.He___playcomputergamesunlesshefinishedhishomework.

A.wasallowedtoB.wasnotallowedtoC.allowto()2.Weallknowthatpaper___wood.A.ismadeofB.ismadeintoC.ismadefrom()3.Thiskindofmachine___in2006.A.isinventedB.ismadeC.wasinvented()4.A(An)___isusedfortakingphotos.A.CameraB.LiftC.MP3player()5.Weshouldspendmoretime___becauseit’stooimportant.A.tolearnEnglishB.learningEnglishC.inEnglishBCCABI.

Choosetherightanswer.Youcandoit.ReviewII.Fillintheblankswiththerightpreposition.1.Thedeskismade_____wood.2.Theredwineismade_____grapes.3.Thisdeliciouscakewasmade___mymother.4.Glassesaremade___glass.5.Ourgroupismadeup___fourstudents.6.Thatkindofmachineismade_____Japan.offromofofbyinReviewinvent/America/in1946A:Wherewerecomputersinvented?B:TheywereinventedinAmerica.A:Whenwerecomputersinvented?B:Theywereinventedin1946.Lookandtalkaboutthepicture.MP3player1998Korealistentomusicmobilephone1973Americacommunicateeasilydigitalcamera1975AmericatakephotosA:Wherewere…invented?B:Theywereinventedin….A:Whenwere…invented?B:Theywereinventedin….A:What’sthis?B:It’s…A:Whenwasitinvented?B:Itwasinventedin…A:Whoinventedit?

B:…1aLook,listenandsay.Whenwasitinvented?Whoinventedit?Look,alightbulb!In1897,ThomasEdison.In1895in1903in1879Canyoumatchthem?1cRead1aandcompletethetable.InventionInventorYearlightbulbGuglielmoMarconi

1903radioairplaneThomasEdisonWilburandOrvilleWright187918951It’ssaidthat...据说……，听说……it是形式主语，真正主语是that引导的从句。e.g.Itissaidthatyouhavesenthimthreeletters.据说你已经给他发了三封信。类似的结构还有It’sreportedthat...据报道……。e.g.It’sreportedthatChinawillsendupShenzhouⅧintospaceinafewyears.据报道中国几年后将向太空发射神舟八号。2duringone’slife某人一生，相当于inone’slife。e.g.LeiFengdidalotofgoodthingsduringhislife.雷锋在他一生中做了许多好事。3gothisway走这边，相当于take/comethisway。44bedifferentfrom与…不同Mypenisdifferentfromyou.我的笔和你的不同。A:Whatarethese?B:…A:Whenweretheyproducedfirst?B:…A:Whatweretheymadeof?B:…Doyouknow?2Fillintheblankswiththeproperformsofthegivenwords.

Thefirstjeanswereproducedin1855.Atthattime,they___________(notcall)jeansandtheywerejusthard-wearingpantsdesignedforworkers.Thepants_____________(make)ofthebrowncloth.Thiskindofcloth______usually________(use)formakingtents.Nowadays,theirmaterialshavebeenchangedsothatitfeelsmorecomfortable.Andmanydifferentjeansstyles_______also________(create).They___________(design)notonlyforworkersbutalsoforteenagersandwomen.Laterjeansarepopularallovertheworld.werenotcalledweremadewasusedarecreatedaredesigned4aReadthefollowingwords.Listenandcheckthevowels.

rocketcottonhospitalmodelsatellitecameralaptopplasticThelightbulbisw______usedbypeopleeverywhere.ThomasEdisoni_______thelightbulbin1879.It’ss______thatheinventedmorethantwothousandthingsduringhislife.TheairplanewasinventedbyWilburandOrvilleWrightin1903.It’sd______fromtoday’s.ExercisesidelynventedaidifferentWelearn:

1.Somewords:

bulb,airplane,hard-wearing,

Korea

2.Somephrases:

beusedby,more

than,bedifferentfrom

3.Somesentences:

It’ssaidthatheinventedmorethantwo

thousand

thingsduringhislife.Wecan:

1.Usethesimplepastpassivevoice:

Doyouknowwhenitwasinvented?

Itwasinventedin1879.

2.Talkabouttheinventorsofsomegreatinventions.Summary()4.Afterhearingthefunnyjoke,myfathercan’thelp_____.

A.laugh

B.laughing

C.tolaugh D.laughs()5.—Myparentsdon’tallowme_____computergamesatschool. —That’sright.Theyarebadforyourstudy.

A.play

B.plays

C.playing

D.toplay()6.Wefindit_____todosomereadingeveryday.

A.easily

B.enjoy

C.helpful

D.interestedBDCUnit4AmazingScience

Topic1Whenwasitinvented?

SectionC

inventioncrayonthoughtsillybrainstormevaluateredesigndetailed愚蠢的，傻的发明，创造彩色铅笔想法，看法，主意集思广益，动脑筋重新设计估值，评价，评估详细的Matchthewordswiththeirmeanings.1comeabout出现，发生e.g.Howdidthisdangeroussituationcomeabout?这样危险的局面是怎样出现的？2solveaproblem解决一个问题。solve的宾语多为problem,answer的宾语多为question。3noone和none都表示否定，但用法有所不同，它们的区别是：a.noone用来指人，含有notevenone（连一个人也没有）之意，其后不能接of短语。用作主语时，谓语动词要用单数。e.g.Nooneknewwhotookthebookbymistake.没有人知道谁误拿了这本书。Noonelikesapersonwithbadmanners.谁也不喜欢不讲礼貌的人。b.none不仅指人也可指物，其后常接of短语，构成“noneof+名词/代词”结构。当名词是复数时，谓语动词单复数均可。e.g.Noneofthehouseshas/havealargegardeninsomebigcities.在一些大城里，没有一幢房子带有大花园。注意：—Howmanypeoplearethereinyourclassroomnow?

现在你班里有多少人？—None.

没有人。—Whoisinyourclassroomnow?谁现在在教室里？—Noone.

没有人。4Inventingisinteresting发明是有趣的。此处inventing是动名词作主语，动名词作主语。谓语动词用单数形式。5intheinventionprocess在发明过程中。balloongunrobotkeyboardDiscuss1.Whatarethetop3mostimportantinventions?Why?2.Whichistheleastimportantinvention?Why?2Discusswithyourpartnerwhichofthefollowingsarethetop3mostimportantinventionsandwhichistheleastimportantinvention.Thenexplainyourchoicetotheclass.

Example:Ithinkzeroisthemostimportantinvention.ItissaidthatitwasinventedbyanIndian.Itisaveryinterestingnumber.Forexample,Ihaveonlytenyuan.Ifyouaddfivezerosafteritforme,haha,Iwillbearichman.

Myinventionisarobot.Itiscalled“Superman”.Thereisacomputerinsideitsbody.Itlookslikeatiger.Whenyouseeitforthefirsttime,youmaybefrightened.Infact,itisgentleandpolite.Itcanhelpusdohousework,suchascleaningaroom,washingdishes,andmakingthebed.Whentheroomisdirty,itwillbegintoworkatonce.Itcanalsowatchoverahouseinsteadofhumans.Itiscareful,cleverandhard-working.Inshort,thisrobotisveryusefultous,thoughitcan’trunorspeak.Youcanwriteitlikethis:i________n.thecreationofsomethinginthemind;theactofinventingc________n.arod(棒）ofcoloredwax（蜡）usedfordrawingt________n.anideathatyouhaveinyourminds________adj.foolishb________n.smallthininflatable(可充气的）rubberbagwithnarrowneckg________n.aweapon（武器）fromwhichbullets（子弹）orotherthingsarefiredr________n.amachinethatcanmoveautomatically（自动地）k________n.thesetofkeysthatyoupressinordertooperateitCompletethefollowingwordsaccordingtotheirfirstlettersandmeanings.nventionrayonhoughtillyalloonunoboteyboard1.Peopleusedthelightbulbswidelyinthepast.(改为被动语态）

Thelightbulbs___________________bypeopleinthe

past.2.Wecanlaunchspaceshipstoexploreotherplanets.(改为被动语态）

Spaceships___________________toexploreotherplanets.3.GoreVerbiniskidirectedthemoviePiratesoftheCaribean

inAmerica.(对划线部分提问）

_____________GoreVerbiniski________themoviePiratesoftheCaribbean?4.TheMP3playerwasdevelopedaround1998.(对划线部分提问)

________________theMP3player_______________?Exerciseswerewidelyusedcan

be

launchedWherediddirectWhenwasdevelopedSummaryWelearn:

1.Somewords:

invention,crayon,thought,

silly,balloon,gun,robot,keyboard

2.Somephrases:

laughat，comecomeout，

theresultof…，noneof…

3.Somesentences:

Inventingisinterestingandexcitingandeveryone

canbeaninventor.

Wecan:

1.Talkabouttheprocessofaninvention.

2.Writeapassageaboutaninvention.()7.—Whenwillhisnewnovel_____? —Sorry.Idon’tknow.

A.comein B.comefrom C.comeout D.comeback()8.Thereportshowswehavedreamed_____exploringspaceforthousandsofyears.

A.in

B.on

C.of

D.to()9.Hedidn’tpasstheexambecausehe_____byhisteacheratallinthepast.

A.encouraged

B.wasn’tencouraged

C.isn’tencouraged D.weren’tencouraged()10.It’s_____thatEdisoninventedmorethantwothousandthingsinhislife.

A.said

B.marked

C.listed

D.toldCCBAUnit4AmazingScience

Topic1Whenwasitinvented?SectionDWhat’situsedfor?It’susedforlisteningtomusic.What’sitmadeof?It’smadeofplastic.Wherewasitinvented?ItwasinventedinKorea.Whenwasitinvented?Itwasinventedin1998.What’situsedfor?It’susedforcommunicatingeasily.What’sitmadeof?It’smadeofplasticandmetal.Wherewasitinvented?ItwasinventedinAmerica.Whenwasitinvented?Itwasinventedin1973.Whatmethoddidyouusetofindyourlostcellphone?GPSislikeaman-madestar.Wecanuseitatanytime,inanyplaceandinanyweathertofindoutourposition.Theearlyexplorersusedthestarsaslandmarkstoknowwheretheywereandinwhichdirectiontheyweregoing.Thismethodworkedwellatnightaslongastheweatherwasgood.Butitdidn’tworksowellduringtherestofthetime.Let’susetheGPS.n.探险者，勘探者1explore探索Explorer

探险家2findout找出，查明3aslongas只要4theshapeof…的形状Keywordsexploreexplorer,mark

findout,in…directionworkwell,aslongastherestofthetimesolve,like,use,theshapeofgreatinventionn.标示，记号，符号v.做记号，做标记Retellit!Grammar

PassiveVoice(Ⅱ)TheradiowasinventedbyGuglielmoMarconiin1895.Whenwasthedigitalcameradeveloped?Wherewasitdeveloped?Whatisarocketusedfor?Itwasdevelopedinthe1970s.ItwasdevelopedinJapan.Itisusedforsendingsatellitesorspaceshipsintospace.Functions

IwishIcouldgointospacesomeday.Ihopeyourdreamwillcometrue.It’ssaidthatheinventedmorethantwothousandthingsduringhislife.Inventingisinterestingandexcitingandeveryonecanbeaninventor.

Passivevoice

was/were+done()1.Abigsupermarket_____inourcitylastyear.

A.isbuiltB.werebuiltC.wasbuilt()2.Couldyoutellmewhotheradio____by?

A.inventsB.inventedC.wasinvented()3.Manytreesandflowers_____inourschoollastyear.Theymadeourschoolmorebeautiful.

A.haveplantedB.wereplantedC.planted()4.Thechildren____swimlastmonthandtheycanswimverywellnow.

A.aretaughtB.weretaughtC.weretaughtto()5.Itissaidthatpotatochips_____bymistakeaboutonehundredyearsago.

A.wereinventedB.inventedC.areinventedCBCACGrammarexercise1.Youarelate,allthetickets__________(sell)outanhourago.2.Thistypeofcellphone____________(make)inShenzhen.3.I_________________(notinvite)toyesterday’sparty.4.________thosemachines__________(check)thismorning?5.Manytreesandflowers______________(plant)inourschoollastyear,andtheymadeourschoolabeautifulgarden.

weresoldweremadewere/was+v.的过去分词Exerciseswasn’tinvitedWerecheckedwereplanted()1.Hurryup,you____onthephone.

A.Wanted B.waswanted

C.arewanted(

)2.Somestories_____thechildrenbytheteachereveryday.

A.istoldfor B.aretoldfor

C.aretoldto()3._____thathehasstudiedabroadforfiveyears.

A.Itissaid B.Itsays

C.Thatissaid()4.Thewindow____fiveminutesago.

A.iscleaned

B.wascleaned

C.canbecleaned()5.Thechildren______bytheteachersatschool.

A.takecareof

B.aretakencare

C.aretakencareof

CCABCChoosethebestanswer.()6.Ihavenoideawhat______whileIwasasleep.

A.happened

B.washappened

C.happens()7.Insomecountries,tea_____before