九年级英语全册 Unit 9 When was it invented全单元课件人教新目标版.ppt

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1、1a-1cFour ancient adj.远古的远古的,旧的旧的inventionscompassgun powder printingpaperWeshouldbeproudofbeingaChinesecarWhatsthiscalledinEnglish?televisiontelephonepersonalcomputercalculator计算器计算器umbrellaalarmclockn.警报警报cameran.计算机计算机A:Whenwasthecarinvented?B:Well,Ithinkitwasinventedin.A.1885B.1876C.1927D.1971A:

2、Whenwasthetelephoneinvented?B:Well,Ithinkitwasinventedin.A.1885B.1876C.1927D.1971A:Whenwasthetelevisioninvented?B:Well,Ithinkitwasinventedin.A.1885B.1876C.1927D.1971A:Whenwasthepersoncomputerinvented?B:Well,Ithinkitwasinventedin.A.1885B.1976C.1927D.1971Lookatthethings.Inwhatorder(顺序顺序)doyouthinkthey

3、wereinvented?A:Ithinkthecalculatorwasinventedbeforethecomputer.B:Well,Ithinkthecalculatorwasinventedafterthecomputer.A:IthinkwasinventedbeforeB:Well,Ithinkwasinventedafter.Thecarwasinventedbeforethetelevision.Thetelevisionwasinventedafterthecar.A:IthinkwasinventedbeforeB:Well,Ithinkwasinventedafter.

4、Thetelephonewasinventedbeforethepersonalcomputer.thepersonalcomputerwasinventedafterThetelephone1a13425Answer:the right order they were invented1bListen and match the inventions Listen and match the inventions with the dates.with the dates.abedc1876_1885_1927_1971_1976_dabec1a13425Answer:the right o

5、rder they were inventedAlice:Lifemusthavebeendifficultwhenyouwereakid.Woman:Oh,notreally.Whydoyousaythat?Alice:Well,youdidnthavemanymoderninventions.Like,youprobablydidnthaveatelephone,right?Woman:Ofcoursewedid!HowolddoyouthinkIam?Thetelephonewasinventedin1876.Alice:Howaboutcars?Ibetcarswerentinvent

6、edyet.Woman:Suretheywere.Carswereinventedin1885.Myfamilyhadacar.Ithinkyouneedtotakeahistoryclass,Alice.Alice:Ha,ha!Well,didyouhaveaTV?Woman:No,wedidnt.TheTVwasinventedaround1927,Ithink.Somefriendsofminehadone.Butinthosedays,TVswerereallyexpensive,andwecouldntaffordone.Alice:AndIbetyoudidnthavecalcul

7、atorsandcomputersandstuff.ThatssomethingIdoknow.Welearnedinschoolthathand-heldcalculatorswereinventedin1971andpersonalcomputerswereinventedin1976.Woman:Youreright.IdidnthavethosethingswhenIwasyoung.ButIdonow!_When was/were.invented?A:A:When When waswas the the _ _ inventedinvented?B:I think it B:I t

8、hink it was inventedwas invented in _.in _.PairworkPairwork(1c:P68)(1c:P68)19761885187619271971PairworkPairwork(1c:P68(1c:P68)in1927A:WhatisthiscalledinEnglish?B:B:Itiscalledatelevision.A:whenwasthetelevisioninvented?B:Itwasinventedin1927.in1976in1971in1885in1876am/is/are+vt.ppwas/were+vt.ppEdison i

9、nvented the light bulb.The light bulb was invented by Edison.Who Who waswas the light bulb the light bulb invented byinvented by?The telephone by Bell.was invented Who was the telephone inventedWho was the telephone invented by?by?Bell invented the telephone._ was invented by _.The carKarl BenzWho w

10、as the car invented by?Who was the car invented by?Karl Benz invented the car.A:Whatisthecarusedfor?B:Thecarisusedfortraveling.A A:What is the _ What is the _ used for?used for?B:I think itB:I think it is used foris used for _.talking with peopleA:What is the used for?B:I think it is used for _.(cou

11、nt)countingA:What is the used for?B:I think it is used for _.(work)workingA:What is the used for?B:I think it is used for _.(ride)ridingA A:What is the _ What is the _ used for?used for?B B:ItIt is used foris used for _._.counting(count)A A:What is the _ What is the _ used for?used for?B B:It isIt i

12、s used for used for _._.making the food hot.(make the food hot)A:When was invented?B:It was invented inA:Who was it invented by?B:It was invented byA:What is the used for?B:The is used for doing 1.根据根据1a的图片的图片,仿造仿造c的对话写出类似的其它个对话的对话写出类似的其它个对话2.完成作业本上的练习完成作业本上的练习2a-2ccarWhatsthiscalledinEnglish?televi

13、siontelephonepersonalcomputercalculatorn.计算机计算机,计算器计算器umbrellaalarmn.警报警报clockcameracartelevisiontelephonepersonalcomputercalculatoralarmclockcameramicrowaveovenDoyouhaveagoodmemory?WhatarethesecalledinEnglish?batteriesin 1876BellA:WhatisthiscalledinEnglish?A:Whenwasitinvented?A:Whowasitinventedby?A

14、:Whatisitusedfor?.B:Itiscalledatelephone.B:Itwasinventedin1876.B:ItwasinventedbyBell.B:Itisusedfortalkingwithpeople.in1885KarlBenztravelA:WhatisthiscalledinEnglish?A:Whenwasitinvented?A:Whowasitinventedby?A:Whatisitusedfor?B:Itiscalledacar.B:Itwasinventedin1885.B:ItwasinventedbyKarlBenz.B:Itisusedfo

15、rtraveling.1827,takephotosabout4,000yearsagokeepofftherain1971,countKnives,cutthingsPairwork:A:What is it/are they called in English?B:It is/They are called-A:When is it/are they invented?B:It is/They are invented-A:Who was it/were they invented by?B It was/They were invented by-A:What is it/are the

16、y used for?B:It is/They are used for-batteriesslippersThey were invented by They were invented by Julie ThompsonJulie Thompsonbattery-operated slippers电池供电的拖鞋电池供电的拖鞋ice creamscoop sku:pheated ice cream scoop加热的冰激凌勺加热的冰激凌勺It was invented by It was invented by Chelsea Chelsea LanmonLanmonThey were inv

17、ented by They were invented by JayceJayce CoziarCoziar and and Jamie Ellsworth Jamie Ellsworth shoes with adjustable heels 可调节后跟的鞋可调节后跟的鞋A:Whatisitcalled?B:Itiscalled-batteriesslippersbattery-operatedslippers电池供电的拖鞋电池供电的拖鞋A:Whataretheycalled?B:Theyarecalled-icecreamscoop勺子heatedicecreamscoop加热的冰激淋勺加

18、热的冰激淋勺shoeswithhighheels高跟高跟shoeswithadjustableheels可调节后跟的鞋可调节后跟的鞋shoeswithadjustableheelsbattery-operatedslippers电池操作的电池操作的拖鞋拖鞋heatedicecreamscoop加热的冰淇淋勺加热的冰淇淋勺Whowasthe inventedby?WhatistheusedforWhowerethe inventedby?Whataretheusedfor2aListen and number the inventions inthe order that you hear.31

19、2InventionWhowasit/weretheyinventedby?Whatisis/aretheyusedfor?shoeswithadjustableheelsChelseaLanmonscoopingreallycoldicecreambattery-operatedslippersJayceCoziarandJamieEllsworthseeinginthedarkheatedicecreamscoopJulieThompsomchangingthestyleoftheshoes2b Listen again.Match the inventions with their in

20、ventors and uses.Boy:Whatarethose?Girl:Theyrebattery-operatedslippers.Boy:Whataretheyusedfor?Girl:Theyreusedforseeinginthepark.Boy:Oh,thatscool!Whoweretheyinventedby?Girl:JulieThompson.Andlookatthisheatedicecreamscoop.Boy:Iknowwhatitsfor!Itsusedforscoopingoutreallycoldicecream.Girl:Right.Itwasinvent

21、edbyChelseaLanmon.Boy:Myfavoritearethoseshoeswithadjustableheels.Youknowyoucanmovetheheelsupanddown.TheywereinventedbyJayceCoziarandJamieEllsworth.Girl:Andwhataretheyusedfor?Boy:Well,youcanchangethestyleofyourshoes.Youcanmaketheshoesgofromcasualtodressy._2c:Pairwork:Roleplayconversationsusingtheinfo

22、rmationinthechartabove.A:Whatisit/aretheycalledinEnglish?B:Itis/Theyare.A:Whowasit/weretheyinventedby?B:Itwas/Theywereinventedby.A:Whatisit/aretheyusedfor?B:Its/TheyreusedforBecauseofsomegreatinventions,ourlifebecomesmuch easier and more comfortable.（ThePassiveVoice).主动语态与被动语态主动语态与被动语态：英语动词有两种语态英语动词

23、有两种语态,即主动语态即主动语态(The Active(The Active Voice)Voice)与被动语态（与被动语态（The Passive Voice)The Passive Voice)。主动语态表示主语是动作的执行者主动语态表示主语是动作的执行者;被动语态表示主语是动作的承受者。被动语态表示主语是动作的承受者。e.g.1.TheymaketrainsinZhuzhou.TrainsaremadeinZhuzhou.2.Thefarmersgrowcottoneveryyear.Cottonisgrownbythefarmerseveryyear.主动语态主动语态被动语态被动语态主

24、动语态主动语态被动语态被动语态e.gManypeoplespeakEnglish.English isspokenbymanypeople.主动语态变被动语态的步骤：主动语态变被动语态的步骤：1 1、主动语态的宾语变为被动语态的主语；、主动语态的宾语变为被动语态的主语；2 2、主动句的谓语动词变为被动结构；、主动句的谓语动词变为被动结构；3 3、主动句的主语变为被动句的宾语，由、主动句的主语变为被动句的宾语，由by by 引引出，当不强调动作的执行者时，常省略。出，当不强调动作的执行者时，常省略。4.4.其它成分不变。其它成分不变。The passive voice.被动语态被动语态主动语态变

25、被动语态的结构图主动语态变被动语态的结构图:Bellinventedthetelephonein1876.ThetelephonewasinventedbyBellin1876.主语主语 谓语动词谓语动词过去时过去时宾语宾语时间状语时间状语主语主语谓语动词的谓语动词的过去分词过去分词宾语宾语时间状语时间状语变被动语态时需要注意的事项变被动语态时需要注意的事项一变一变二套二套三注意三注意宾变主，宾变主，主变宾，宾语前面主变宾，宾语前面byby紧跟紧跟，谓语动词变过分，不忘，谓语动词变过分，不忘前面前面bebe紧跟紧跟套时态，主被动时态一致套时态，主被动时态一致注意因人称的变化而引起的注意因人称的

26、变化而引起的主谓一致问题。主谓一致问题。各种时态的被动语态的构成：各种时态的被动语态的构成：1.一般现在时态一般现在时态 am,is,are+过去分词过去分词 2.一般过去时态一般过去时态 was,were+过去分词过去分词 3.一般将来时态一般将来时态 will/am.is.are going to +be+过去分词过去分词4.过去将来时态过去将来时态 would/was.were going to +be+过去分词过去分词 5.现在完成时态现在完成时态 have,has+been+过去分词过去分词 6.过去完成时态过去完成时态 had+been+过去分词过去分词 7.现在进行时态现在进行时

27、态 am,is,are+being+过去分词过去分词 8.过去进行时态过去进行时态 was,were+being+过去分词过去分词 9.9.含情态动词的含情态动词的 情态动词情态动词+be+过去分词过去分词所有时态的被动语态否定就是在所有时态的被动语态否定就是在 最前面的助动词后加最前面的助动词后加 not not疑问就是把疑问就是把最前面的助动词提前最前面的助动词提前。Many trees are not being planted nowAre many trees being planted now?把下列的句子变为被动语态的句子：把下列的句子变为被动语态的句子：1、TheyspeakE

28、nglishinCanada.2、Peopleusedwoodformakingtables.3、TheyaremakingcomputersintheUSA.EnglishisspokeninCanada(bythem).Woodwasusedformakingtables.ComputersarebeingmadeintheUSA.把被动句变否定把被动句变否定ComputersarentbeingmadeintheUSA.4、TheyhavegrownriceinSouthChina.5.Wemustplantmoretreesnextyear.6.Iamgoingtocleanourcl

29、assroomtomorrow.Moretreesmustbeplantednextyear.Ourclassroomisgoingtobecleanedtomorrow.RicehasbeengrowninSouthChina.把被动句变疑问把被动句变疑问.HasricebeengrowninSouthChina？变被动语态的特殊情况变被动语态的特殊情况一、双宾语一、双宾语buy/make sb sth=buy/make sth for sbgive sb sth=give sth to sb1.Myfatherboughtmeacomputer.Acomputerwasboughtform

30、ebymyfather.Iwasboughtacomputerbymyfather.2.Hegivesmeabook.Abookisgiventomebyhim.IamgivenabookbyhimSth+be+过去分词过去分词+for/tosb+bysb.Sb+be+过去分词过去分词sth+bysb二、无二、无toto不定式不定式一感一感 二听二听三让三让 四看四看feellisten to.hearlet.have.makewatch.see.look at.notice变为被动时加上变为被动时加上toeg.Weoftenseehimplaybasketball.Heis often se

31、en to playbasketballbyus.Thebossmadethechildrenworkforlong.Thechildrenwere made to workwere made to workforlongbytheboss.三、注意动词短语的三、注意动词短语的常考到的动词短语有常考到的动词短语有完整性完整性take care oflook afterlisten tospeak toeg.1.Weshouldspeaktotheoldpolitely.Theoldshouldbe spoken tobe spoken topolitely.2.Thenursetakesgoo

32、dcareofthebaby.Thebabyis taken good care ofis taken good care ofbythenurse.四、无被动语态的动词。四、无被动语态的动词。不及物动词及系动词不及物动词及系动词happentake placedierisecome truecome outeg.1.Anaccident(happen)justnow.happened2.Imsurethatmydream.(cometrue)somedayinthefuturewill come true常用的被动语态短语常用的被动语态短语bemadeoffromintobeusedtodo

33、fordoingas由由-制成的制成的看出原材料看出原材料看不出原材料看不出原材料原材料制成成品原材料制成成品be filled withbe covered witheg.1.Paperismadewood.from2.Tablesaremadewood.3.Woodismadepaperandtables.ofinto被用来-被用作被用作用-充满被-覆盖The passive voice.被动语态被动语态主动语态变被动语态的结构图主动语态变被动语态的结构图:Bellinventedthetelephonein1876.ThetelephonewasinventedbyBellin1876.

34、主语主语 谓语动词谓语动词过去时过去时宾语宾语时间状语时间状语主语主语谓语动词的谓语动词的过去分词过去分词宾语宾语时间状语时间状语1.I open the door.The door is opened by me.2.He often helps homeless people.Homeless people are often helped by him.3.I handed out some papers just now.Some papers were handed out by me just now.主动语态:主语主语是动作的执行者执行者。被动语态:主语主语是动作的承受者承受者。

35、被动语态结构为：(主动语态)(主动语态)(主动语态)(被动语态)(被动)(被动语态)be+过去分词过去分词将下列句子变为被动语态。将下列句子变为被动语态。3a-4in1871givinglightEdisonA:WhataretheycalledinEnglish?A:Whenweretheyinvented?A:Whoweretheyinventedby?A:Whataretheyusedfor?B:Theyarecalledlightbulbs.B:Theywereinventedin187.B:TheywereinventedbyEdison.B:Theyareusedforgiving

36、light.1876BellPairworktelephoneWhen?Who?What?Talking with the people far away.Beld1927Tv setWatching and learning many things in the world.When,who,what use?3a1.Justnowwetalkedsomeinventions.Askyou:2.Aretheseinventionshelpfulorannoying?3.Aretheseinventionsbelowhelpfulorannoying?light bulbA:Is the li

37、ght bulb a useful invention or annoying invention?B:I think it is a useful invention.A:Why is it?B:Because it gives people more time to work and play every day.alarm clockA:Is the alarm clock a useful invention or annoying invention?B:-A:Why?B:Because-microwave oven A:Is the microwave oven useful in

38、vention or annoying invention?B:-A:Why?B:Because-3awritethreehelpfulandannoyinginventionsinthechartbelow.HelpfulinventionsAnnoyinginventionsnamesreasonnamereason1.telephoneTalkeasily1.alarmclock Makenoise2.pen2.cigerrate3.3.Wine,money,cigarette,camera,plane,A:Whatdoyouthinkisthemosthelpfulinvention?

39、B:Ithinkthemosthelpfulinventionisthelightbulb.A:Whyisthat?B:Well,itgivespeoplemoretimetoworkandplayeveryday.3b4GroupworkImagine that you are alone on a tiny island.What invention do you want to have?Why?Fill in the chart below and talking.Fillinthechartandclassworknamereason1.radioListentomusicevery

40、day2.?3.?ReadthemodelClass:Whatinventiondoyouwanttohavefirst?SudentA:Iwanttohavearadio.Class:Whyisthat?SudentA:BecauseIcouldlistentomusicallday.radio boat plane mobile gun参参考考范范例例Class:Whatinventiondoyouwanttohavefirst?SudentA:Iwanttohavearadio.Class:Whyisthat?SudentA:BecauseIcouldlistentomusicallda

41、y.Explanation:2.helpful adj.有帮助的有帮助的,有益的有益的e.g.Mr.White is a very helpful man.构词法：构词法：n+ful adj再如再如:use+ful usefulthank+ful thankfulbeauty+ful beautifulcare+ful carefulExercises:句型转换句型转换 1.She was seen to come out of the library by him.（变为主动语态）（变为主动语态）He _ _ _ out of the library.2.When are trees oft

42、en planted.（变为主动语态）（变为主动语态）When _ people often _ _?3.The League was founded in Guangzhou in 1922.（就画线部分提问）（就画线部分提问）_ _ _ _ the League _?saw her comeplant treesdoWhen and where wasfoundedExercises:句型转换句型转换 4.Did the students wear the school clothes a lot?（变为被动语态）（变为被动语态）_ the school clothes _ a lot?5

43、.Kate took good care of the baby yesterday evening.（变为被动语态）（变为被动语态）The baby _ _ good care of _ Kate yesterday evening.was takenbyWerewornhomework用单词适当形式填空-invent,slipper,use,heat,help1.whatsapen-for?2.whenwasthepiano-?3.Ithinkpaperisthemost-invention.4.whenwereelectric(电)-invented?5.Isthisyour-icecr

44、eamscoop?GoodbyeSection Bsalty:in the end:by mistake:by accident:according to:咸的咸的,含盐的含盐的.名词名词,salty 加加 y 构成形容词构成形容词 最后最后,终于终于.eg.Everything will be all right in the end.弄错的弄错的,错误地错误地.eg.He took the umbrella by mistake.偶然偶然,意外意外,无意中无意中.eg.I met her by accident in a crowded bus.根据根据,按照按照 eg.Well be p

45、aid according to the amount of work we do.soursweetsweetsweetcrispysalty1a1b.Writethenameofadifferentfoodaftereachword.sweet:crispy:salty:sour:banana,apple,cakepotatochips,saladpizza,frenchfries,saltgrape,lemon,saugur2aListen and circle “T”(for true)or“F”(for false).2aListen and circle “T”(for true)

46、or“F”(for false).1.The potato chips were invented by mistake.2.They were invented in 1863.3.The customer thought the potatoes werent thin enough.4.The customer said they werent salty enough.5.George wanted to make the customer happy.6.The customer was happy in the end.T FT FT FT FT FT FT FT FT FT FT

47、 FT F2bThe history of chips that potato chips were invented by mistake?Chips by a chef called George Crum.They were invented in .George Crum cooked them for a long time until they .And he sprinkled lots of salt on them so they were .Did you knowwere invented1853were crispyreally salty2c.PairworkA:Di

48、dyouknowpotatochipswereinventedbymistake?B:Wow,Ididntknowthat.Whoinventedthem?A:itwasinventedbyachefcalledGerogeCrum.How does it taste?It tastes+adj.Food inventionsItsakindofbeverage.Ittastessweetsometimes.Itshealthy.ItwasinventedinChinaTeapotTeacupTeabowl BoilthewaterPutteaintotheteapotAddtheboiled

49、watertotheteapotPourtheteaintotheteacupsEnjoytheteateateapotteacupsteabowlwaterfirstthennextaftersomeminutesfinallyWho invented tea?Did you know that tea,the most popular drink inthe world(after water),was invented by accident?Although tea wasnt brought to the Western worlduntil 1610,this beverage w

50、as discovered overthree thousand years before that.According to an Ancient Chinese legend,the emperor Shen Nong Discovered tea when he was boiling drinking water over an open fire.Some leaves from a nearby bush fell into the water and remained there for some time.The emperor noticed that the leaves