Unit8GreenLivingLesson3WhiteBikesontheroad课件-高中英语北师大版

北师大必修第三册Unit8Lesson3(I)“WhiteBikes”ontheRoad

教学目

Lead-inHaveyoueverriddensharedbikesWhataretheiradvantagesanddisadvantages12Tolearnabouttheoriginanddevelopmentof"whitebikes"inAmsterdam,andlearntocompareChineseandAmsterdambike-sharingfromdifferentperspectives

Toidentifynoun/verbsofthesamerootandusethemincontext目标一：Tolearnabouttheoriginanddevelopmentof"whitebikes"inAmsterdam,andlearntocompareChineseandAmsterdambike-sharingfromdifferentperspectivesActivity1:

Scanthestoryandthenfinishthetwotasks.Task1WhatisthetexttypeofthepassageA.NarrativeEssayB.ArgumentativeEssay

C.ExpositoryWriting

D.PracticalWriting

Task2

Match

themainideaofeachparagraph.A.Thewhitebikes

arebackB.Bike-sharingismoreandmorepopularintheworldC.HowthewhitebikesbeganD.TheconvenienceandproblemsofbikesinChinaE.HowthewhitebikesaffectAmsterdamF.AmsterdamisagoodplaceforcyclingPara1Para2Para3Para4Para5Para6Activity2:

Carefulreading.Thenfinishthefollowingtasks.Task1WhyisAmsterdamagoodcityforcyclingReadthefirstparagraphandtakenotesaboutthereasons.WhyisAmsterdamagoodcityforcycling?____________________________________________________________________________________________________________________________________________________It'sflatandthereforeconvenientforbicycles.Thereareplentyofplacesforbicycleparking;Moststreetsinthecitycentrehaveabicyclepath.____________________________________38%ofalltripsaremadebybike.Task2Wheredidtheideaof“whitebikes”startWhathappenedtoitsoonafter,andwhatisthesituationnowReadtherestofthetext.Makenotesinthetable.Inthe1960sIn1999Now

UnderstandingDevelopmentofEventsThedevelopmentofeventstalksabouthowoneeventfollowedanothertocreateacertainsituation.Findthestartingpointoftheevents.Findoutwhenandwheretheeventsdeveloped.Findoutwhatproblemsdevelopedandwhattheconsequencesofthedevelopmentwere.Inthe1960sIn1999NowPeopleinAmsterdamfirsthadtheideafor“whitebikes”.Theywantedtoreducetheamountoftrafficandpollutioninthecitycentre.Theypaintedhundredsofwhitebikesandleftthemaroundthecitycentreforpeopletouse.Withinamatterofweeks,thebikeshadallbeenstolenandtheprojectcametoanend.“Whitebikes”returnedtoAmsterdam.Thistimeeverybikehadacomputertrackingsysteminittomakeitpossibletorecorditsmovementsandyouhadtouseaspecialcardtotakeabike.Bike-sharingisbecomingmoreandmorepopularincitiesaroundtheworld,includingChinesecities.Task3Answerthefollowingquestionsbasedonyournotes.1.Whydidcyclingfansputforwardtheideaof“whitebikes”inthe1960s2.Whatisthedifferencebetweenthe“whitebikes”ofthe1960sandof19993.Whateffectshave“whitebikes”hadonAmsterdam4.WhyhastheideaspreadtootherpartsoftheworldinrecentyearsSuggestedAnswers1.

Theywerehopefulthatthiswouldhelptosaveenergy,reducepollutionandprovidefreepublictransport.2.1960s1999paintedthebikeswhiteanyonecouldusethemforshortjourneysparkedwheretheyfinishedthejourneyproblem:theft—stoppageoftheprogrambedesignedwithbrightcolorsspecialparkingneardestinationsolution:computertrackingsystem3.PeoplecannowenjoycleanairandeasytransportincentralAmsterdam.4.Becausebike-sharingisacheapandeasywaytosaveenergy,reduceairandnoisepollution,andenjoythebenefitsofexercisesincities.Activity3:

Completethesummarywiththeinformationyouhavelearnt.PeopleinAmsterdamhavebeen1._____________________cyclingforyears.Theyareparticularlyluckybecausethecityisveryflatandtherefore2.____________cycling.Backinthe1960s,agroupofcyclingfans3.____________anideaofusingfreesharedbikes.Theybelievedthatthiswouldhelpto4._____________,5._________________and6._________________________.However,shortlyaftersettingupthenewsystem,therewasaseriousproblemasallthebikes7.____________.In1999,thebike-sharingideareturnedtoAmsterdam.Thistimetheywere8._____________acomputer9.______________.10.____________theeffortsofmanypeople,theideaof“sharedbikes”hasnowpedalleditswayaroundtheworld.enjoyingthebenefitsofconvenientforcameupwithsaveenergyreducepollutionprovidefreepublictransportdisappeareddesignedwithtrackingsystemThankstoActivity4:

GroupWork.Introduce“whitebikes”inAmsterdamwiththehelpoftheflowchart.Amsterdam:theCityofBicycles“Whitebikes”inthe1960spurposesactionsresultsThereturnof“whitebikes”in1999actionsresultsToday...InfluenceintheworldActivity5:GroupWork.Whatarethesimilaritiesanddifferencesbetween“whitebikes”inAmsterdamandsharedbikeinyourcity/town1.Peopleusethemforshortjourneys.2.There’sacomputertrackingsystemtorecordtheireverymove.3.They’repaintedinbrightcolours.…AmsterdamChinaFreepublictransport.Peoplehavetoputinaspecialcardtousethem.Theyareparkedatspecialparkingplaces.…Peoplepaytousethem.PeopledownloadAPPstousethem.Theyareleftatwhereuserscompletetheirjourneys.…Differences:SuggestedAnswersSimilarities:北师大必修第三册Unit8Lesson3(Ⅱ)“WhiteBikes”ontheRoad

目标二：Toidentifynoun/verbsofthesamerootandusethemincontextActivity1:Identifylanguagepointsthatyouwanttosharewithyourpartner.Discussingroupsandthensharewiththeclass.1.Inthe1960s,agroupofcyclingfanscameupwithanidea.20世纪60年代，一群自行车爱好者萌生了一个想法。comeupwith想出；想到小贴士：comeup的主语是物，表示“（计划、建设、议题等）被提出”，而comeupwith的主语是人或团体组织，表示“（某人）提出”。【归纳拓展】comeup 走近；上来；提出

comeout 出来；出版comeabout 发生；产生

whenitcomesto... 当谈到……comeacross 遇见；(偶然)发现cometo 苏醒；总计；达到2.Soonafter,however,problemscameupandthe“whitebikes”alldisappeared-thievesstolethemallinamatterofweeks!然而不久之后，问题出现了，所有的“白色自行车”都不见了——小偷在几周内把它们都偷光了!disappearvi.消失；不见【归纳拓展】disappearfrom消失在disappearance

n.消失；不见appearvi.出现；好像appearancen.

外貌，外观；出现，露面3.In1999,the“whitebikes”returnedtoAmsterdam-thistimewithacomputertrackingsystemtorecordtheireverymove!1999年，“白色自行车”回到了阿姆斯特丹，这次安装了电子跟踪系统用来记录它们的“一举一动”！【句式分析】本句中withacomputertrackingsystemtorecord...是“with+宾语+宾语补足语”组成的with复合结构。其常见形式如下：with+宾语+形容词/副词/名词介词短语不定式/现在分词/过去分词Activity2:LookattheWordBuilder.Comparethetwosentencesineachpair.Decidewhatthewordinboldexpresses.athenameofanobject/athing

b

anaction/todothingsWordBuilderVerbsorNouns1.

Thegrouppaintedhundredsofbicycleswhite…()Ineedacanofredpaint.()2.Makesureyouputyourschoolbaginaproperplace.()…placedtheminmayareas…()3.…thistimewithacomputertrackingsystemtorecordtheirverymove!()Trytokeeparecordofwhatyouhavelearnt.()4.Nowadays,theideaof“whitebikes”haspedalleditswayaroundtheworld…()Bothpedalsofmybicyclewerebroken.()baabbabaWhatdothesewordshaveincommon?Canyoulistmoreandsummarisetheirmeaning?benefit,transport,increase,address…一、在英文中，有许多“名词活用作动词”的现象。或者说，这些单词本身就有动词的意思，只是我们在学习这些单词的时候通常只接触了其名词的意思。二、熟练掌握这种名词和动词之间的转换具有非常重要的意义，对于我们英语水平的提高也至关重要。它的主要作用体现在：1.让语言更加简洁2.使语言更加生动3.使语言更加地道英文