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1、Unit 9Whenwasitinvented?SectionAPeriodOneinventcalculatorbeusedforscoopadjustablev.发明；创造发明；创造n.计算器计算器用来做用来做v.用勺舀用勺舀n.勺子；球形勺；长柄勺勺子；球形勺；长柄勺adj.可调整的可调整的Wordsandexpressionsheelbatteryoperatebattery-operateslipperheatn.（鞋、袜等的）后（鞋、袜等的）后跟；跟；(足足)跟跟n.电池电池v.操作；作业操作；作业电池供电的电池供电的n.拖鞋拖鞋v.加热；使变热加热；使变热Wordsandexpr
2、essionsWhataretheFourGreatInventionsinancientChina?Do you know?paper-making造纸术造纸术compass指南针指南针printing印刷术印刷术gunpowder火火药药造纸术造纸术印刷术印刷术Lookatthethings.Inwhatorderdoyouthinktheywereinvented?1aA:Ithinkthecalculatorwasinventedbeforethecomputer.B:well,Ithinkthecalculatorwasinventedafterthecomputer.Talk ab
3、out with your parterner.Listenandmatchtheinventionswiththedates.1b_1876_1885_1927_1971_1976daecbSampledialogues:Sampledialogues:A A:When:Whenwaswasthetelephonethetelephoneinventedinvented? ?B B:Ithinkit:Ithinkitwasinventedwasinventedin1876.in1876.A A:When:Whenwaswasthecarthecarinventedinvented? ?B B
4、:Ithinkit:Ithinkitwasinventedwasinventedinin1885.1885.IIthinkitthinkitwasinventedwasinventedaftertheafterthetelephone.telephone.PairworkPairwork1cWhenwasthecalculatorinvented?Whatisitusedfor?Itisusedforcounting.Whataretheyusedfor?Theyareusedforgivinglight.lightbulbslightbulbsWhatis/areusedfor?Its/Th
5、eyreusedfor3122a Listenandnumbertheinventionsintheorderthatyouhearthem.InventionWhowasit/weretheyinventedbyWhatisit/aretheyusedfor?shoeswithadjustableheelsChelseaLanmonscoopingreallycoldicecreambattery-operatedsneakersJayceCoziarandJamieEllsworthseeinginthedarkheatedicecreamscoopJulieThompsonchangin
6、gthestyleoftheshoesListenagainandmatchtheitemswiththeirinventorsanduses.2bRoleplaytheconversationsusingtheinformationinthechartabove.A:Whataretheyusedfor?B:Theyreusedforseeinginthedark.2cPairworkOralPractice Sentencepattern:Whowasit/weretheyinventedby?Itwas/Theywereinventedby.Whatisit/aretheyusedfor
7、?Itis/Theyareusedfor. The passive voice被动语态被动语态语态是表示主语与谓语的关系的。如果语态是表示主语与谓语的关系的。如果主语是动作的执行者，动词要用主动语态；主语是动作的执行者，动词要用主动语态；反之，如果主语是动作的承受者，动词就反之，如果主语是动作的承受者，动词就要使用被动语态。要使用被动语态。被动语态谓语部分结构为助动词被动语态谓语部分结构为助动词be+过过去分词去分词。 各种句型的被动形式各种句型的被动形式注意：注意：这里这里be的形式决定了被动语态的的形式决定了被动语态的时态，其后的过去分词没有变化。时态，其后的过去分词没有变化。重点内容重点
8、内容肯定句肯定句主语主语+be+过去分词过去分词+(by)否定句否定句主语主语+benot+过去分词过去分词+(by)一般疑问句一般疑问句Be+主语主语+过去分词过去分词+(by)?特殊疑问句特殊疑问句疑问词疑问词+be+主语主语+过去分词过去分词+(by)?Mariaboughtthebooklastyear.(主动句主动句)ThebookwasboughtbyMarialastyear.WhenwasthebookboughtbyMaria?WhatwasboughtbyMarialastyear?被动句：被动句：让我们看一看各种句型的主动语态变为被让我们看一看各种句型的主动语态变为被动语
9、态时，到底发生了什么变化？动语态时，到底发生了什么变化？时态时态主动语态主动语态被动语态被动语态一般一般现在时现在时一般一般过去时过去时一般一般将来时将来时do/doesis/am/are+donedidwill/begoingtodowas/were+donewillbedonebegoingtobedone时态时态肯定形式肯定形式 否定形式否定形式疑问形式疑问形式一般一般过去过去时时一般一般将来将来时时S+was/were+doneS+was/were+not+doneWas/Were+S+done?S+willnotbe+doneS+am/is/aregoingtobedoneAm/Is
10、/Are+S+goingtobedone?S+am/is/arenotgoingtobedoneWill+S+done?S+willbe+doneItsusedforscoopingreallycoldicecream.【经典习题经典习题】完成句子：完成句子：邮票是用来发送信件的。邮票是用来发送信件的。Stampsare_letters.【要点点拨要点点拨】beusedfordoingsth.表示表示“被用于干某事被用于干某事”，意思与，意思与beusedtodosth.相同。相同。如：如：Thecameraisusedfortakingphotos.=Thecameraisusedtotak
11、ephotos.usedforsending【拓展延伸拓展延伸】beusedassth.表示表示“被用作某物被用作某物”。如：。如：Englishisusedasthesecondlanguageinmanycountries.beusedbysb.表示表示“被某人使用被某人使用”，后，后接动作的执行者。如：接动作的执行者。如：Thesetextbooksareusedbystudents.be/getusedtodosth.表示表示“习惯于做习惯于做某事某事”。如：。如：Sheisusedtorunningeverymorning.usedtodosth.表示表示“过去常常做某事过去常常做某
12、事”。如：如：MissLiusedtodanceafterwork.Whenwasthecarinvented?Itwasinventedin1885.Whenwereelectricslippersinvented?Theywereinventedlastyear.Whoweretheyinventedby?TheywereinventedbyJulieThompson.Whataretheyusedfor?Theyreusedforseeinginthedark.把下列句子改为被动语态。把下列句子改为被动语态。1.TheymadethesecomputersinShenzhen.These
13、computers_inShenzhen.2.Sheboughtanewbikeyesterday.Anewbike_byheryesterday.weremadewasbought3.Thestudentscleantheroomeveryday.Theroom_bythestudentseveryday.4.Hewillsinganewsongattheparty.Anewsong_byhimattheparty.5.Studentscanttakethebooksoutofthelibrary.Thebooks_outofthelibrarybystudents.iscleanedwil
14、lbesungcantbetaken中考真题链接中考真题链接1.IfeelveryhappythatI_tobethehost.Congratulations!(07江西江西)A.chooseB.amchosenC.waschosenD.havenchosen2.TodayChinese_bymoreandmorepeoplearoundtheworld.(07北京北京)A.wasspokenB.isspokenC.spokeD.speak3(课改实验区考生做课改实验区考生做)(07重庆重庆)YourhometownhaschangedalotYes.Takealookatthesetallbuildings.They_lastyearA.buildBbuiltC.wasbuiltDwerebuilt(非课改实验区考生做非课改实验区考生做)Whyistheclassroomsodirty?Sorry,sir.It_yesterdayWeforgottodoitA.dontcleanB.didntcleanC.werentcleanedD.wasntcleaned
