仁爱版九年级上册英语第四单元ppt课件

Unit4AmazingScienceTopic1Whenwasitinvented?SectionA isspokenbyShespeaksChinese.isspokenbyHespeaksEnglish.EnglishEnglish.Hehim.ChineseChinese.Sheher.被动语态被动语态(PassiveVoice)be+done主动语态：主动语态：主语主语+动词动词+宾语宾语被动语态：被动语态：主语主语+be+过去分词过去分词+by+宾语宾语Manypeopleusecomputers.Computers_by_.Theworkersplanttreesinthegarden.Trees_inthegarden_theworkers.areusedmanypeopleareplantedbyCanyoutry？Exercise1.Trees_(water)inourschooleverythreedays.2.Thezoo_(visit)bylotsofchildrenonweekends.3.A Journey to West_(show)onCCTVeverysummer.4.OnChristmasDay,childrenwakeupearlyandcantwait_(open)theboxesofpresents.5.Wellhaveachance_(see)theflowershowthisweekend.toopenisshownarewateredtoseeisvisitedA:Whatsthelockmadeof?B:Itsmadeofmetal.A:Whatsitusedfor?B:Itsusedforlockingthe door.n.锁锁v.（用锁）锁（用锁）锁上，被锁住上，被锁住2Followtheexampletomakeupsimilarconversations.lock/metalA:Whatsthepapermadefrom?B:Itsmadefromwood.A:Whatsitusedfor?B:Itsusedforwriting on.paper/woodcomputer desk/woodchopsticks/bamboosweater/cottonwatch/metalbemadeof由某种物质做成由某种物质做成(看得出原看得出原材料，物理过程材料，物理过程)bemadefrom由某种物质制成由某种物质制成(看不看不出原材料，化学过程出原材料，化学过程)bemadeupof由几部分组成由几部分组成bemadein在某地在某地/某时制造某时制造bemadeby由某人制造由某人制造bemadeinto被制成被制成12A.Whats it made of?B.Itsmadeofmetal.A.Do you know what it is used for?B.Itsusedforsendingsatellitesorspaceshipsintospace.Wow!A model rocket!1aListen,lookandsay.WhyisJaneunhappy?BecauseJanewasnotallowedtoplaycomputergameslastnight.allowv.允许允许1.allowsb.todosth.允许某人做某事允许某人做某事2.allowdoingsth.允许做某事允许做某事3.beallowedtodosth.被允许做某事被允许做某事聚焦一般过去时的被动语态聚焦一般过去时的被动语态结构结构:助动词助动词(was/were)+及物动词的过去分词及物动词的过去分词1.肯定句式肯定句式：主语主语+was/were+v.-ed2.否定句式否定句式：主语主语+was/were+not+v.-ed3.一般疑问句式：一般疑问句式：Was/Were+主语主语+vt.-ed4.特殊疑问句式：特殊疑问句式：疑问词疑问词W/H+was/were+主语主语+v.-edE.g.Ane-mailwassenttoherfriendbyJaneyesterday.Ane-mailwasntsenttoherfriendbyJaneyesterday.Wasane-mailsenttoherfriendbyJaneyesterday?Whowasthee-mailsenttobyJaneyesterday?Lets sum up together.1bListento1aandmarkT(True)orF(False).1.Jane is unhappy because she was not allowed to go to a party last night.()2.Kangkangs father made a model rocket for him.()3.The rocket is made of metal.()4.A rocket is used for sending satellites or spaceships into space.()FFTT动画动画1a1a Listen,look and say 1cRead1aandanswerthefollowingquestions.1.WhydidKankangaskJanenottospendtoomuchtimeoncomputergames?Itsbadforherhealthifshespendstoomuchtimeon them.tootiredheadachesoreeyes2.Whatsarocketusedfor?Itsusedforsendingsatellitesorspaceshipsintospace.beusedfor被用来做被用来做beusedtodo被用来做被用来做beusedas被用作被用作usedtodosth.过去常做过去常做beusedtodoingsth.习惯于做习惯于做3.WhotaughtKangkangsomeknowledgeaboutspaceships?Mr.Brown.4.WhatsKangkangsdream?Hewisheshecouldgointospacesomeday.someday-某一天某一天，总有一天，总有一天(将来将来)e.g.IwishIcouldhavemyownhousesomeday.Ietrue-变成真的变成真的,实现实现realize/achieve-etrue3aA.Listentotheconversationsandnumberthefollowingpictures.2313aB.Listenagainandcompletethetable.InventionItemlaptopcell phonedigital cameraMaterialUsageYearcountryplasticplasticmetal and plasticstudy,work and play communicatetake photosaround 19851973around 1975JapanAmericaAmerica3b Work in pairs.Ask and answer questions based on the table in 3a with passive voice.A:What is a laptop made of?B:It is made of plastic.A:Whats it used for?B:It is used for studying.A:When and where was it developed?B:It was developed in Japan in 1985.Example:Focus on the meaning in communication.Dont be afraid of making mistakes.Change the following sentences.1.Mymotherallowsmetousehercellphone.(改为被动语改为被动语态态)I_usemymotherscellphone.2.Arocketisusedforlaunchingsatellitesandspaceships.(就画线部分提问就画线部分提问)_arocket_?3.Thedigitalcamerawasinventedin1975.(就划线部分就划线部分提问提问)_thedigitalcamera_?4.Maybeheisaninventor.(改为同义句改为同义句)He_aninventor.amallowedto WhatisusedforWhenwasinventedmaybe SummaryWe learn:1.Some words:lock,rocket,metal,satellite,spaceship 2.Some phrases:be made of,be used of,some day,come true 3.Some sentences:(1)I wish I could go into space some day.(2)I hope your dream will come true.(3)-What is a rocket used for?-Its used for sending satellites or spaceships into space.We can:Use the passive voice.Read 1a.Memorize the useful expressions and key sentences that we learn today.Finish Section A in your workbook.Preview Section B.Unit4AmazingScienceTopic1Whenwasitinvented?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_becauseitstooimportant.A.tolearnEnglishB.learningEnglishC.inEnglishBCCABI.Choose the right answer.You can do it.II.Fill in the blanks with the right preposition.1.Thedeskismade_wood.2.Theredwineismade_grapes.3.Thisdeliciouscakewasmade_mymother.4.Glassesaremade_glass.5.Ourgroupismadeup_fourstudents.6.Thatkindofmachineismade_Japan.offromofofbyininvent/America/in1946A:Wherewerecomputersinvented?B:TheywereinventedinAmerica.A:Whenwerecomputersinvented?B:Theywereinventedin1946.Look and t