九年级英语《Unit 6 When was it invented？》导学案

PAGEPAGE1【课题】《Unit6Whenwasitinvented?》导学案SectionA1a—1c【学习目标】句型：Whenwasthecarinvented?弄清一般过去时态的主动语态与被动语态的差异，并通过练习和运用加以巩固。【学习重点难点】句型：Whenwasthecarinvented?弄清一般过去时态的主动语态与被动语态的差异，并通过练习和运用加以巩固。【学法指导】在学习中，懂得人类的科学发明创造了丰富的物质文明，激发创造发明的能力和愿望。并乐于参加学习小组活动，积极合作。【教学过程】一、导入（启发探究3分钟）通过课件呈现中国古代的发明:gunpowder/compass/papermaking/printing然后问学生:Whatarethey?Helpthestudentstosay:TheyarefourinventionsofChina.Getthestudentstorepeat.叫学生列举一些他们知道的发明,如car,telephone,computer,TV等。Thenshowsomeinventionsonthescreentothestudents:Telephone,calculator,car,personalcomputer,TV,lightbulb,alarm,clock,microwaveoven,electricslipper.Teacher:Therearemanyusefulthingsintheworld.Theyhelpusalotinlife.(Showsomepicturesonthescreen)Whenweretheyinvented?Students:_____________________.①Thetelephonewasinventedin1876.②Thecomputerwasinventedin...……二、自学（自主探究6分钟）文化背景导读HowAmericansshowedtheirrespectforEdisonThomasAlvaEdisonwasawardedmorepatentsoninventionsthananyotherAmerican.Whenhediedin1931,Americanswonderedhowtheycouldbestshowtheirrespectforhim.Onesuggestionwasthatthenationobserveaminuteortwooftotalblackout.Allelectricpowerwouldbeshutoffinhomes,streets,andfactories.PerhapsthissuggestionmadeAmericansrealizefullywhatEdisonandhisinventionsmeanttothem.Electricpowerwastooimportanttothecountry.Shuttingitoffforevenashorttimewouldhaveledtocompleteconfusion.Ablackoutwasoutofthequestion.OnthedayofEdison’sfuneral,manypeoplesilentlydimmedtheirlights.Inthiswaytheyhonoredthemanwhohaddonemorethananyoneelsetoputagreatforceofelectricityathiscountrymen’sfingertips.翻译下列年代：1nineteenseventy-one____________2eighteeneighty-five__________3.eighteenseventy-six4.1927_________________5.1976______________________6.2010____________________三、交流（合作探究10分钟）1.要求学生翻开课本P41，迅速阅读1a部分的内容。并按要求完成课本上相应的任务:Numberthepictures.（1分钟）2.检查答案，先要求全班一起给出答案并检查讨论。Thetelephonewasinventedin1876.Carswereinventedin1885.Thetelephonewasinventedin1876.Carswereinventedin1885.TheTVwasinventedaround1927.Thepersonalcomputerswereinventedin1976.3.要求学生听第一遍录音，并完成课本上1b的听力任务:Listenandmatchtheinventionswiththeyears.Checktheiranswers:读出序号-读出年份-读出完整的句子（2分钟）Pictured:Pictured:Thetelephonewasinventedineightennseventy-six.Picturea:Carswereinventedineighteeneighty-five.Picturec:TheTVwasinventedaroundnineteentwenty-seven.Pictureb:Thepersonalcomputerswereinventedinnineteenseventy-six.4.听第二遍，填空。Alice:Wasyourlifeverydifficultwhenyouwereakid?Grandma:Oh,notreally.Why?Alice:Well,youdidn’thavemoderninventionslikea,right?Grandma:Ofcoursewedid!HowolddoyouthinkIam?Thetelephonewasin1876.Youneedtotakeahistoryclass,Alice!Alice:Haha!Howabout?Theyweren’tinventedyet,werethey?Grandma:Yes,theywere.Carswereinventedin1885.Myfamilyhadacar.Alice:Well,didyouhaveaTV?Grandma:No,wecouldn’tone.Theywereexpensiveinthosedays.TheTVwasinventedaround1927,Ithink.Alice:Well,Iknowthatyoudidn’thaveabecausewelearnedinschoolthatpersonalcomputerswereinventedin1976.Grandma:You’reright.ButIhavenow!5.要求学生听第三遍录音，并逐句进行跟读。（2分钟）6.完成教材1c的任务，要求学生模仿1a内容，进行对话练习。并邀请2-3对同学当堂进行演示。（3分钟）A:Whenwasthetelephoneinvented?A:Whenwasthetelephoneinvented?B:Ithinkitwasinventedin1876.

A:Whenwasthecarinvented?B:Ithinkitwasinventedin1885.

A:WhenwastheTVinvented?B:Ithinkitwasinventedaround1927.

A:Whenwasthepersonalcomputersinvented?B:Ithinkitwasinventedinin1976.6.小结训练。要求学生在规定的时间内完成一个小练习。并请若干学生给出自己的答案。有错误的话及时解决纠正。（2分钟）用所给单词的正确形式填空：Whenwasthetelephoneinvented(invent)?Thecomputercanhelpusdomathproblems(help).Inthoseday,thewomancouldn'tafford(afford)aTVbecausetheywerereallyexpensive.Afriendofmine(I)cametoseemelastweek.Ithinkyouneedtotake(take)ahistoryclass.四、总结（引深探究15分钟）1.invent(v.)发明；创造invent指发明创造出自然界本来不存在的东西，如工具、方法、手段、汽车、电器、合成材料等。【备课例句】Bellinventedthetelephone.贝尔发明了电话。Smithinventedanewteachingmethod.史密斯发明了一种新的教学方法。【横向辐射】discover,find,create1.discover是“发现”的意思，是指发现原来就有而一直没被发现，如发现电、煤、石油等矿藏及新星、星系或科学真理等。ColumbusdiscoveredAmericain1492.1492年哥伦布发现了新大陆。Recentlytheyhavediscoveredacomet.最近他们发现了一颗彗星。2.find的意思是“寻找”，强调找的结果，并不指发现。I'vetriedtofindanothercopybutcouldn'tfindone.

我试图再找一本，但没能弄到。3.create指有目的地把原材料制成新产品，也指创造出原来不存在的或与众不同的事物。Mancreateshimself.人类创造了自己。Anovelistcreatescharactersandaplot.小说家塑造人物并设计情节。【课堂变式】根据语境提示，用invent,discover，find或create的形式填空，完成句子。1.When_____thestreamengine（蒸汽机）___?2.Ican’t____mybike,I’mlookingforit.3.Scientistsarenowtryingto___ifthisispossible.4.Doyouknowwho______theplane？5.He____quiteanumberofwonderfulcharactersinhisplay.【解析】I.1.was,invented2.find3.discover4.invented5.created五、练评（包含“考点链接”应用探究6分钟）一）单项选择（）1.Thekindofcupisused__________drinking.A.toB.asC.byD.for（）2.Mymotherandmysisterkeptontalking,butmyfather________silentallthetime.A.gotB.keptC.turnedD.looked（）3.Ithinktheshortstory_________byLuXun.A.iswritingB.iswrittenC.writtenD.waswritten（）4.--Who________theelectriclightlamp______?—Edison.A.was;inventedB.is;inventedC.was;inventedbyD.did;inventedby二）阅读短文，完成任务GoogleandToyotahaveworkedtogethertocreateanewsmartcar.Itcanrunontheroadwithoutadriver.Itdrivesitself.Theself-drivingcarhasn’tbeenonsaletothepublic,sowedon’tknowhowmuchitcosts.Anotherthingmostpeoplewanttoknowiswhetheritwillbesafeenoughtorunontheroad.Theself-drivingcaruseselectricityasitspower,anditcan’tdriveveryquickly—thetopspeedwouldbe25milesperhour.Itisactuallycontrolledbyacomputersystem(系统)onthecar.ThesystemkeepsoncollectinginformationbysomevideocamerasinsidethecarandaLIDARsensor(激光雷达传感器)ontopofit.Acomputerprocessestheinformationanddecideswhattodo.“Theself-drivingcarhasonlybuttons(按钮)forgoandstop,soit’sveryeasytouse,”anengineerofGooglesays.“Andwhat’smore,itwillmakecaraccidentslessandmaketheworldasaferplace.”Theself-drivingcarhasdrivenhundredsofthousandsofmilesinCalifornia,andithasonlygottenintotwoaccidentsbyhumanmistake.AccordingtoCNN,self-drivingcarswillalsohelptoreduce(减少)thenumberofcarsinbigcities.“Self-drivingcarswouldbeabletosendyoutotheworkplaceandthenpickupanotherpersoninsteadofstoppinginaparkinglot.”()1.Wedon’tknowthepriceoftheself-drivingcarbecause.A.itisonsaleonlyinAmericaB.itisn’tmadeforsaleC.peoplecangetitforfree D.ithasn’tbeenonsaletothepublic()2..①videocameras ②acomputer③aLIDARsensor ④acomputersystemA.①② B.①③ C.①②③ D.①②③④()3.A.sendusmorequicklytotheworkplaceB.leadtoheaviertrafficC.improvetrafficconditioninbigcitiesD.carrymorepeoplethananormalcar【课题】Unit6Whenwasitinvented?SectionA2a—2c【学习目标】掌握本课单词、短语、句型Whowasitinventedby?Whataretheyusedfor?【学习重点难点】能听懂含有一般过去时态被动语态的简短对话。能运用一般过去时态被动语态谈论历史上的发明。【学法指导】观察图画回忆句型练习口语巩固练习【教学过程】导入（启发探究3分钟）Dialogue1:S1:Whatisthis?S2:Thisisahotice-creamscoop.Itrunsonelectricity.S1:Whatisitusedfor?S2:Itisusedforservingreallycoldicecream.S1:Whowasitinventedby?S2:ItwasinventedbyChelseaLanmon.Dialogue2:S1:Whatarethese?S2:Theyareshoeswithlights.S1:Whataretheyusedfor?S2:Theyareusedforseeinginthedark.S1:Whoweretheyinventedby?S2:TheywereinventedbyJulieThompson.Dialogue3:S1:Whatarethese?S2:Theyareshoeswithspecialheels.S1:Whataretheyusedfor?S2:Theyareusedforchangingthestyleoftheshoes.S1:Whoweretheyinventedby?S2:TheywereinventedbyJayceCoziarandJamieEllsworth.二、自学（自主探究6分钟）1、认真拼读下面单词和人名heel/hi:l/n.鞋跟；足跟p.42electricity/ilektrisəti/n.电；电能p.42scoop/sku:p/n.勺;铲子p.42style/stail/n.样式;款式p.42Chelsea/tʃelsi/Lanmon/lænmən/切尔西•兰曼 p.42Jayce/dʒeis/Coziar/kəuzia:/杰斯•克里亚 p.42Jamie/dʒeimi/Ellsworth/elzwə:(r)θ/杰米•埃尔斯沃恩 p.42Julie/dʒu:li/Thompson/tɔmpsən/朱莉•汤普森Whitcomb/witkəm/Judson/dʒʌdsən/惠特科姆•贾德森 p.42三、交流（合作探究10分钟）1.要求学生翻开课本P42。播放录音一遍，完成2a，2b的听力任务，然后个别检查，统一核对答案。（2分钟）2.要求学生听第二遍录音，并逐句进行跟读。（2分钟）3.听力内容巩固训练。要求学生根据所听到的内容完成下列各句。完成后要求若干学生给出自己的答案。以巩固对听力内容的了解。（4分钟）Theshoeswithlightsareusedforseeinginthedark.TheywereinventedbyJulieThompson.Thishoticecreamscoopisusedforscoopingoutreallycoldicecream.Theshoeswithadjustableheelsareusedforchangingthestyleofyourshoes.4、听录音填空Alex:Hi,Carol.Wow,whatarethose?Carol:Hello,Alex.Oh,thesearesomeoftheinterestingthatI’mwritingaboutformyEnglishhomework.Alex:Isee…What’sthat,then?Carol:They’reshoeswith.Peopleusethemforseeinginthedarkwhenyougetupatnight.Alex:Oh,that’sacoolidea!Ialwayshitmytoeonsomethingonthewaytothebathroomatnight.Carol:Nextisaice-creamscoop.Thisismyfavoriteinvention.Itrunsonelectricityandbecomeshot.Alex:Iknowwhatit’sfor!It’susedforservingreallycoldice-cream.Carol:Yes,that’sright!ThelastinventionI’mgoingtowriteaboutisshoeswithspecial.Youcanmovetheheelsupanddown.Alex:Whataretheyusedfor?Carol:Well,youcanchangetheofyourshoes.Youcanraisetheheelsifyouaregoingtoapartyorlowerthemifyouarejustgoingoutfor.5、.大声朗读听力材料。（1分钟）6.放下听力材料，要求学生模仿听力内容，利用2a，2b的信息分角色练习对话练习。然后邀请2-3对同学当堂演示。看哪一对的表现最佳。（5分钟）A:Whataretheshoeswithadjustableheelsusedfor?B:Theyareusedforchangingthestyleoftheshoes.A:Whataretheshoeswithadjustableheelsusedfor?B:Theyareusedforchangingthestyleoftheshoes.A:Whatarethebattery-operatedsneakersusedfor?B:Theyareusedforseeinginthedark.A:Whatistheheatedicecreamscoopusedfor?B:Itisusedforscoopingreallycoldicecream.四、总结（引深探究15分钟）beusedfor用来做……此短语中的for是介词，表示用途，后接名词或动词-ing形式。【备课例句】Anorangeisusedformedicine.桔子可以入药。Apenisusedforwriting.钢笔用来写字。【横向辐射】beusedas&beusedby1.beusedas意为“被用作……”，介词as表示“作为”，其后一般接名词，强调使用的工具及手段。【例句】Englishisusedasthesecondlanguageinmanycountries.英语在许多国家被当作第二语言使用。Thisroomisusedastheiroffice.这人房间被用作他们的办公室。2.beusedby意为“被……使用”，介词by后面接动作的执行者（宾语）。【例句】Englishisusedbytravelersandbusinesspeopleallovertheworld.全世界的旅行者和商人们使用英语。Tractorsareusedbythefarmers.农民使用拖拉机。【课堂变式】1.在中国英语作为外语来使用。__________________________________2.教师用粉笔。__________________________________3.毛衣是用来保暖的。__________________________________【解析】1.EnglishisusedasaforeignlanguageinChina.2.Chalkisusedbyteachers.3.Asweaterisusedforkeepingwarm.五、练评（包含“考点链接”应用探究6分钟）根据括号内的要求改写句子。1.TheywereinventedbyJulieThompson.(改写否定句)They________________________byJulieThompson.2.CaiLuninventedpaper.（改为被动语态）Paper___________________________________CaiLun.3.Someclothesweregivenawaytocharitybyme.（改为一般疑问句，并作肯定回答）__________________clothesgivenawaytocharityby____________?Yes,________________________.4.Thecarwasinventedin1885.(对划线部分提问)________________________thecarinvented?5.Weusedittoscoopicecream.(改写同义句)_______________________________scoopingicecreambyus.完成句子：1.汽车是什么时候发明的？它是在1885年被发明的。When_________thecar________?It_______________1885.2.带灯的鞋子是什么时候发明的？是去年发明的。When________shoeswithlights______?They__________lastyear.3.他们是谁发明的。是朱丽.汤普森发明的。_____werethey_________?Theywere_________JulieThompson.4.他们是用来做什么的？是用来在黑暗中视物的。Whatarethey________?They’reused__________inthedark.5.我认为电话的发明要早于汽车的发明。Ithinkthetelephone__________________________thecar.选择()1.—MichaelJacksonwascalledthekingofpop,wasn’the?2-1-c-n-j-y—Ofcourse.Hebypeopleallovertheworld.A.waslookedup B.waslookeduptoC.lookedup D.lookedupto()2.—WastabletennisinventedbytheChinese?—No.ItinChinauntilthestartofthe20thcentury.A.played B.wasplayedC.didn’tplay D.wasn’tplayed()3.—DoyouknowinancientChina?—Ihavenoidea.ButIknowpeopleonceusedtreeleavestomakepaper.A.howpaperwasmade B.howwaspapermadeC.whatpaperwasmade D.【课题】Unit6Whenwasitinvented?SectionA2d【学习目标】掌握本课对话内容继续学习一般过去时态的被动语态【学习重点难点】能运用一般过去时态的被动语态进行对话练习【学法指导】熟读对话背诵—巩固练习【教学过程】导入（启发探究3分钟）Whatisitcalled?Itiscalledzipper.Whenwasitinvented?Thezipperwasinventedin1893.Whowasitinventedby?ThezipperwasinventedbyWhitcombJudson.二、自学（自主探究6分钟）拼读记忆单词project/prədʒekt/n.项目；工程 p.42pleasure/pleʒə(r)/n.高兴；愉快 p.42zipper/zipə(r)/n.(=zip)拉链；拉锁 p.42daily/deili/adj.每日的；日常的p.42website/websait/n.网站p.42pioneer/paiəniə/n.先锋；先驱 p.42list/list/v.列表；列清单n.名单；清单 p.42mention/menʃn/v.提到；说到p.42根据汉语提示完成单词。1.IlikethecolorofthiscoatbutIdon’tlikeitsstyle(款式).2.It’smygreatpleasure(高兴)tohaveatalkwithyou.3.Thelittleinventionshavehelpedmealotinmydaily(日常的)life.4.Juliaintroducedagoodwebsite(网站)tometolearnEnglish.5.Mymotheralwayslists（列清单）allthingsthatshewantstobuybeforeshopping.三、交流（合作探究10分钟）播放2d的对话录音，学生仔细倾听，注意语音语调、句群停顿。播放2d的对话录音，让学生跟读，模仿语音语调、句群停顿。学生朗读2d对话并理解大意。学生分角色朗读并表演2d的对话。（5分钟）学生背诵2d对话，不看书填空。Paul:HeyRoy,thesubjectformyschoolis“Smallinventionsthatchangedtheworld.”Canyouhelpmethinkofan?Roy:Mypleasure!Letmethink...hmm...Iknow!Thezipper!Paul:The?Isitreallysuchagreatinvention?Roy:Thinkabouthowoftenit’susedinourdailylives.Youcanseezippersondresses,trousers,shoes,bags...everywhere!Paul:Well,youdoseemtohaveapoint...Roy:Ofcourse!IthoughtaboutitbecauseIsawawebsitelastweek.Thepioneersofdifferentinventionswerethere.Forexample,itmentionedthatthezipperwasinventedbyWhitcombJudsonin1893.Butatthattime,itwasn’tusedw.Paul:Really?Sowhendiditbecome?Roy:Around1917.对话内容巩固训练。要求学生根据2d对话的内容完成下各句。完成后要求若干学生给出自己的答案。以巩固对对话内容的了解。（4分钟）Lastweek,Roysawawebsite,itsaysthezipperisoneoftheitgreatestsmallinventionsthatchangedtheworld.ItmentionedthatthezipperwasinventedbyWhitcombJudsonin1893.butatthattime,itwasn’twidelyused.Paulthinkhedoseemstohaveapoint.Thezipperisreallysuchagreatinventionandit’susedinourdailylivesveryoftenandeverywhere.四、总结（引深探究15分钟）pleasuren.高兴，愉快；常用于口语中；it’smypleasure.Withpleasure.【备课例句】It’smypleasuretohelpyoulookafteryourpetcat.我感到很荣幸帮你照看你的宠物猫。【横向辐射】please,pleased,pleasure,pleasant的区别一、please1.表请求或要求的语气。是动词（及物动词）。-Comein,please.请进来吧。（或Peasecomein）-Sitdown,please.请坐。（或Pleasesitdown）2.表“讨好，讨人喜欢；喜欢”（不及物动词）或者“使···高兴，使···满意，使···喜欢”（及物动词）-Gowhereyouplease.你想去哪就去哪。-Whatpleasesyoubest?你最喜欢什么？二、pleased形容词。表示“高兴的，喜欢的，满意的”。它指的是人主观上感到的满足心理-I'mpleasedtoseeyou!见到你真高兴！常用句型有：bepleasedtodosth.高兴做某事bepleasedat/about/with/by对···感到满意/高兴bepleasedthat从句对···感到满意/高兴三、pleasant形容词。表示“令人愉快的”“让人感到满意”。主语一般为物。Thewalkwasverypleasant.那次散步很（让人）愉快。四、pleasure名词表示“满足；乐趣；消遣、娱乐”It'sapleasuretoreadthisbook.读这本书真是件乐事。【课堂变式】（1）根据句意，用pleasant,pleased或pleasure填空。1.Ihada___time.2.Hewillbe___tohelpyou.3.Readinggivesmegreat___.4.Itgivesme___toseeyoulookinghappy.5.Wespenta___dayinthecountry.【解析】1.pleasant2.pleased3.pleasure4.pleasure5.pleasant（2）Ithinkitisimpossibletomakeeveryone______.A.pleaseB.pleasedC.pleasantD.pleasure【解析】由句意可知，要让每个人高兴是不可能的。pleased表示“高兴的，喜欢的”;故选B。五、练评（包含“考点链接”应用探究6分钟）用所给词的适当形式补全句子1.Whenthetelephone?Ithinkitin1876.(invent)2.Whatarethehotice-creamscoopsusedfor?Theyareusedfor(scoop)reallycoldicecream.3.Manybeautifulpresents（buy）fortheteacherslastSunday.4.Thethief(catch)bythepoliceatlast.5.Thenewcomputers(give)tothevillageschoolaspresentslastmonth.用方框中所给单词的适当形式填空，使短文完整正确(每个单词限用一次)。letterlearnschoolbecomebydieinviteblindcommunicateinterestBraille(盲文)isthemostwell-knownlanguagesystem(系统)usedby(41)peopleallaroundtheworld.Braille,whoimprovedthewayblindpeoplereadbooks(42)followingraised(凸起的)letters.LouisBraillewasbornonJanuary4,1809,inFrance.Helosthiseyesightbyaccidentwhenhewas3.LouisBraillewenttoaspecial(43)fortheblindinParisin1821.Itwastherethathe(44)toread,usingraisedletters.However,becausetheraised(45)weremadeofpaperpressedagainstcopperwire,thestudentsneverlearnedtowrite.Latertheschool(46)asoldier(战士)togiveatalktothestudents.Thetalkwasaboutasystemcalled“nightwriting”thatallowssoldiersto(47)silently,eveninthedark.Braillewas(48)inthesystem.Herealizeditcouldbeusedamongblindpeople,too.Hesetouttoworkonitandin1824,heintroducedthereadingandwritingsystem.In1829,Braillewrotehisfirstbookexplaininghissystem.However,itwasonlyafterhis(49)thatthereadingandwritingsystemcaughtattentionand(50)themostpopularwayfortheblindtoreadandwritearoundtheworld.【课题】Unit6Whenwasitinvented?SectionA3a—3c【学习目标】掌握本课单词、短语、句型【学习重点难点】1.nearlyadv.几乎，差不多；2.boilv.煮沸，烧开；3.remainv.保持不变；剩余；4.nationaladj.国家的，民族的；【学法指导】了解历史阅读思考阅读理解巩固练习【教学过程】导入（启发探究3分钟）Questions:Doyoudrinkteaeveryday?_____________________________Whoinventedteainhistory?_________________Dopeopleinothercountriesdrinkteaintheirdailylife？__________________________________________二、自学（自主探究6分钟）中国饮茶历史最早，陆羽《茶经》云：“茶之为饮，发乎神农氏，闻于鲁周公”。早在神农时期，茶及其药用价值已被发现，并由药用逐渐演变成日常生活饮料。我国历来对选茗、取水、备具、佐料、烹茶、奉茶以及品尝方法都颇为讲究，因而逐渐形成丰富多采、雅俗共赏的饮茶习俗和品茶技艺。茶之饮，最早的目的在于：解毒、消食、清心、益思、少睡眠；后来有陆羽《茶经》等对其方式精益求精，以及少数民族的种种“异样”喝法，都不离其宗；大概宛如诗的雅与风，都值得有心人细细玩味。至若有为“雅”而茶，大概是当今茶艺馆繁盛的原因之一，又或为“道”而茶，比如强调“和敬清寂”，大家见仁见智吧。拼读记忆单词byaccident偶然；意外地p.43nearly/niəli/,/nirli/adv.几乎；差不多 p.43boil/bɔil/v.煮沸；烧开p.43smell/smel/n.气味v.发出气味；闻到 p.43saint/seint/n.圣人；圣徒p.43takeplace发生；出现p.43doubt/daut/n.疑惑；疑问v.怀疑p.43withoutdoubt毫无疑问；的确p.43【新词自查】根据汉语提示完成单词。1.Thetigerislookedastheruler（统治者）ofthisforest.2.Moststudentswenttotheplayground.Onlyafewremained(剩下)tocleantheclassroom.3.Aliceiswithoutdoubt(怀疑)thebeststudentinourclass.4.Thedragonistreatasanational(民族的)symboloftheChinese.5.Motherisboiling(煮沸)themilkforthebaby.三、交流（合作探究10分钟）完成教材3a的任务1.要求学生快速默读短文，熟知大意，并完成课本3a的任务：matcheachparagraphwithitsmainidea;然后邀请几位同学给出自己的答案，全班一起学习讨论。（3分钟）Paragraph1LuYuandhisbookChaJingParagraph2HowteaspreadtoothercountriesParagraph1LuYuandhisbookChaJingParagraph2HowteaspreadtoothercountriesParagraph3Howteawasinventedbyaccident2.先邀请几位同学阅读短文（可一人一段），教师要注意学生的语音，给予必要的朗读指导。然后播放录音，全班同学一起跟读。（3分钟）3.短文内容巩固练习。教师可给出一篇改写了的短文，将一些重点的表达方式空出。让学生在规定的时间内补全短文。然后邀请若干同学给出自己的答案。（4分钟）Teaisthemostpopulardrinkintheworld.Buttooursurprise,itwasinventedbyaccident.Itwasn'tbroughttowesternworlduntil1610,butitwasdiscovered3,000yearsearlier.AnancientChineselegendsaysShenNongdiscoveredtheteawhenhewasboilingdrinkingwaterintheopenair.Someleavesfromanearbybushfellintothewaterandremainedthereforsometime.Andapleasantsmellcamefromthewaterthen.Hetastedthemixtureanditwaswonderful.Andinthisway,teawasinvented.4.完成教材3b的任务，要求学生再次阅读短文内容，回答3b中所提出的问题（5分钟）5.用3c方框中所给的单词的正确形式完成句子；设置一个5分钟的时限；然后请5位同学分别朗读句子，同时核对答案。1.invented2.drunk3.produced4.brought5.traded6、阅读填表Afteryouread,answerthe4questionsfollowingthearticle.1.Whatisthearticleabout?Itisabouttheinventionoftea.2.Whenwasitinvented?Itwasinventedoverthreethousandyearsbefore1610.3.Whowasitinventedby?ItwasinventedbyShenNong.4.Howwasitinvented?TherulerShenNongnoticedthattheleavesfromanearbybushinthewaterproducedapleasantsmell.Hetastedthehotmixture.Itwasquitedelicious.7、阅读重点句子1）.Themostpopulardrinkintheworldwasinventedbyaccident?世界上最受欢迎的饮料是被偶然发明的。2）.ManypeoplebelievethatteawasfirstdrunkbyShenNongnearly5.000yearsago.许多人相信茶是在将近五千年前由神农首先喝的。3）.Anicesmellwasproducedwhenthetealeavesdroppedintothehotwater.当茶叶落入热水中时发出一种很香的味道。4）.Italsodiscusseswherethefinesttealeaveswereproducedandwhatkindsofwaterwereused.它也讨论了什么地方出产最好的茶叶并且用什么样的水。5）.ItisbelievedthatteawasbroughttoKoreaandJapanduringthe6thand7thcenturies.已确信茶是在六到七世纪期间被带到韩国和日本的四、总结（引深探究15分钟）重点单词1.nearlyadv.几乎，差不多；2.boilv.煮沸，烧开；3.remainv.保持不变；剩余；4.nationaladj.国家的，民族的；重点短语1.byaccident偶然，意外地2.aChineserulercalledShenNong一位叫神农的中国统治者3.overtheopenfire在火堆上4.fallintothewater落入水中5.maketea泡茶6.takeplace发生7.withoutdoubt毫无疑问8.thesaintoftea茶圣词语运用1.remain(v.)保持；剩余；残余remain意为“停留，留下”，相当于stay。“呆在那里”可以说remain/staythere，但“呆在家里”只能说stay(at)home。【备课例句】Sheremainsinthehouseallthesedays.她这些天一直呆在那栋房子里。Theyallwishedustoremain.他们都希望我们留下来。【横向辐射】remain作连系动词remain用作连系动词，意为“保持(某种状态)，继续存在，仍旧是”，后面接形容词，名词，分词，不定式或介词短语。【例句】Sheremainedsittingwhentheycamein．他们进来时，她仍然坐着(没有站起来)。PeterbecameamanagerbutJohnremainedaworker.彼得当上了经理,但约翰仍然是一个工人。Whatevergreatprogressyouhavemade,youshouldremainmodest.无论你取得了多么大的进步,你都应一直保持谦虚。Thisremainstobeproved.这有待证实。(将来被动动作)Whetheritwilldousgoodremainstobeseen.这是否对我们有好处,还要看一看。【课堂变式】Theleaves____inthewaterforalongtime.A.cameB.remainedC.livedD.arrived【解析】根据foralongtime可知是指树叶在水中停留了很长时间，正确答案是B。2.byaccident偶然地；意外地【备课例句】Hemadethismistakebyaccident.他犯这个错误纯属偶然。【课堂变式】Shefoundherkeys_____whenshecleanedherroomaftershelostthemtwoweeksago.A.withmistakeB.inthiswayC.byaccidentD.withpleasure【解析】由whenshecleanedherroomaftershelostthemtwoweeksago可知她是偶然地找到了她丢失的钥匙，正确答案是C。3.Inthisway,youwillfindtheanswertothisquestion.用这种方法，你可以找到这个问题的答案。知识拓展way主要有以下几种用法：◎表示“方法”，接不定式，...waytodosth这一结构等于...wayofdoingsth。Scientistsaretryingtofindwaystoprevent(ofpreventing)disease.科学家们正在寻找预防疾病的方法。Therearemanywaysoftraveling(totravel),forexample,byair.旅行有许多方式，例如乘飞机。◎表示“路途”，“路线”，常构成onone’s/thewayto...“在……的途中”。在这一结构中，介词to表示方向，后接名词。如果后面接地点副词如here,there,home时则不用to。I’monmywayhome.我正在回家的路上。She’sonherwaytoseethefilm.她正在去看电影的路上。◎表示“方向”。Lookthisway.看这边。Gothatway.往那边走。◎表示“距离”，“路程”。Beijingisalongwayfromhere.北京离这里很远。4.InEngland,teadidn’tappearuntilaround1660.在英国，茶直到1660年才出现。此句是由until引导的时间状语从句。not..until意为“只到…才…”。【备课例句】Shedidn’tleaveuntilIfeltbetter.只到我感觉好点了，她才离开。【横向辐射】until的用法until常用作介词或连词，用来引导介词短语或从句在句子中作时间状语。1.在肯定句中，until与延续性、持续性动词连用，表示“直到……为止”。Iworkeduntillateintheafternoon.我一直干到下午很晚的时候。2.在否定句中，until常与瞬间动词、短暂性动词连用，表示“直到……才……”，“不到……不……”。Theraindidn’tstopuntilmidnight.雨直到半夜才停。Iwon’tleaveuntilyoupromisetohelpme.你不答应帮助我，我不会离开。【课堂变式】—HowwasyourclimbingMount.Huang?—Ididn’tbelieveIcoulddoit______Igottothetop.A.untilwhileC.afterD.and【解析】考查连词用法。not…until…直到……才……。根据句意“直到我爬到山顶我才相信我能做到”可知选A。五、练评（包含“考点链接”应用探究6分钟）（）1.ItwasinventedEdisonA.byB.inC.forD.to（）2.ThiswatchChina.A.wasmadeinB.wasmadebyC.wasmadefromD.wasmadeof（）3.--wasthecarinvented?--Itwasinventedin1983.A.WhenB.WhyC.HowD.Who（）4.itrainedyesterday,Istillwentonatrip.A.AlthoughB.ButC.BecauseD.And（）5.Basketballbypeopleallovertheworld.A.isenjoyedB.islikeC.loveD.enjoyed（）6.Pensareusedforonpaper.A.writeB.writingC.towriteD.wrote【课题】Unit6Whenwasitinvented?SectionA4a—4c【学习目标】总结一般过去时态被动语态【学习重点难点】运用一般过去时态的被动语态完成相应练习【学法指导】观察总结思考运用—巩固练习【教学过程】导入（启发探究3分钟）SA:Whenwasthecarinvented?SB:Itwasinventedin1885.SA:Whenwereelectricslippersinvented?SB:Theywereinventedlastyear.SA:Whoweretheyinventedby?SB:TheywereinventedbyJulieThompson.SA:Whatweretheyusedfor?SB:Theywereusedforseeinginthedark.Thomas/tɔməs/Watson/wɔtsən/托马斯•沃森p.44Questions:1.Whatinventiondoyoulikebest?Why?______________________________________________2.Whatinventiondoyouhatealot?______________________________________________3.Listasmanyofthemasyoucan.“二十世纪最糟糕的发明是什么?”就是人们每天大量使用的塑料袋。诞生于上个世纪三十年代的塑料袋，其家族包括用塑料制成的快餐饭盒、包装纸、餐用杯盘、饮料瓶、酸奶杯、雪糕杯等等。这些废弃物形成的垃圾，数量多、体积大、重量轻、不降解，给治理工作带来很多技术难题和社会问题。比如，散落在田间、路边及草丛中的塑料餐盒，一旦被牲畜吞食，就会危及健康甚至导致死亡。填埋废弃塑料袋、塑料餐盒的土地，不能生长庄稼和树木，造成土地板结，而焚烧处理这些塑料垃圾，则会释放出多种化学有毒气体，其中一种称为二噁英的化合物，毒性极大。二、自学（自主探究6分钟）1、拼读、记忆单词fridge/fridʒ/n.冰箱p.44translate/trænsleit/v.翻译p.44lock/lɔk/,/la:k/v.锁上；锁住p.44earthquake/ə:(r)θkweik/n.地震p.44sudden/sʌdən/adj.突然（的）p.44allofasudden突然;猛地p.44biscuit/biskit/n.饼干p.44cookie/kuki/n.曲奇饼干p.44instrument/instrumənt/n.器械；仪器；工具p.442、【新词自查】根据汉语提示完成单词。1.Theboylosthisparentsduringthelastyear’searthquake(地震).2.Thestudentswereaskedtotranslate(翻译)thestoryintoEnglish.3.Thepolicefoundthelostboyunderthedestroyedhousethroughaninstrument(仪器)。4.Ionlyhavesomebiscuits(饼干)andaglassofmilkeverymorning.5.Ifyoucan’teatallthesefruit,youmayputsomeintoyourfridge(冰箱).3、阅读一般过去时态的被动语态句子，感悟其结构、用法、句型变化。1.Whenwasthezipperinvented?Itwasinventedin1893.拉链是什么时候发明的？它是在1893年被发明的。2.Whowasitinventedby?ItwasinventedbyWhitcombJudson.它是由谁发明的？--它是被惠特科姆.贾德森发明的。3.Thefridgewassoldatalowprice.这个冰箱被以低价卖掉了。4.Thestudentsweretoldnottoeatordrinkinclass.学生们被告知在课堂上既不吃或喝任何东西。三、交流（合作探究10分钟）完成教材4a-4c1.要求学生翻开课本P44，参照4a所提供的信息和例句，用被动语态改写句子.给出5分钟的时限，并请另4位同学在黑板上改写，全班集体核对答案。（5分钟）参考答案2.Mycamerawasstolenfrommyhotelroombysomebody.3.Wherewerethesephotostaken?.4.Weareadvisedbyourparentsnottogooutalone.5.Thebookwastranslatedbydifferentwritersintodifferentlanguages.2.用所给单词的正确形式完成4b句子。给出5分钟的时限，并请另个5位同学朗读句子，全班集体核对答案。1.wereinvited2.werebrought3.waslocked,rang4.weretold,broke5.wereeaten,asked3.先浏览4c的短文，确定空格处的动词是用主动形式还是被动形式，然后用动词的正确形式填空完成短文。给出5分钟的时限，并请1位同学朗读短文，全班集体核对答案。1.wasinvented2.wasborn