Unit+8+Green+Living+lesson+3+White+bikes+on+the+road課件【 核心知識備課精研精講】 高中英語北師大版（2019）必修第三冊

Whatarethey?Shared-bikesWhataretheadvantagesanddisadvantagesofthem?make“thelast-miledistance”easyconvenientprovidepublictransportreducepollutionsaveenergy...advantagesAdvantages:1.Sharedbikesareveryconvenient,making“thelast-miledistance”easy.Itcansavealotoftime.2.Sharedbikeshelpreducepollution,soitcanprotecttheenvironment.3.Sharedbikesarenotonlyeasyandcheaptouse,butalsogoodforhealth.4.Wecanrideasharedbikeanytimeandanywhere.It'suser-friendlyandflexible.causeparkingproblemscauseaccidentsontheroad...disadvantagesWhataretheadvantagesanddisadvantagesofthem?Disadvantages:1.Withtheincreaseofsharedbikes,someunexpectedaccidentsarecausedontheroad.

2.Besides,sharedbikescancausesomeparkingproblems.Canyouguessinwhichcitytheideaof“sharedbikes”wasborn?AmsterdamthecapitalofNetherlands/HollandIt’sacitywhichhas14millionbicyclesamong15millionpeople.Watch&think:WhydopeopleinAmsterdamprefertoridebikes?

WhydopeopleinAmsterdamprefertoridebikes?BecausetherearelotsofcanalsandbridgesinAmsterdamandridingbikesismoreconvenient.canaln.along,narrowstretchofwaterthathasbeenmadeforboatstotravelalongortobringwatertoaparticulararea.geographicconditionReadpara1

1.Itisflatandthereforeconvenientforbikes.2.Thereareplentyofparkingplaces.3.Moststreetshaveabicyclepath.thus,asaresultofWhywastheideaof“whitebikes”borninAmsterdam?

pathn.awayoratrackthatisbuiltormadebytheactionofpeoplewalking

Readthefirstparagraphagainandanswer.1.Whenwastheideaof“sharedbikes”borninAmsterdam?Theideabeganabout50yearsago.2.WhatpercentageoftripsaremadebybikesinAmsterdamnowadays?About38%ofalltripsaremadebybikesinAmsterdam.3.WhatdosomepeoplecallAmsterdam?

SomepeoplecallAmsterdam“theCityofBicycles”.Predictwhatwillbetalkedaboutinthefollowingparagraphs.thehistoryof“whitebikes”thedevelopmentof“whitebikes”theresultsof“whitebikes”thebenefitstheideabroughthowpeopleusethe“whitebikes”Readtheparagraphs2-6quicklyandcheckyourpredictions.Checkyourpredictionsthehistoryof“whitebikes”thedevelopmentof“whitebikes”theresultsof“whitebikes”thebenefitstheideabroughthowpeopleusethe“whitebikes”√Inwhatorderisthedevelopmentof“whitebikes”arranged?

timeorderHowdoyouknowthat?

Inthe1960s In1999 Nowadays

Readtheparagraphs2-6carefullyandfillinthetable.“Whitebikes”inthe1960spurposesactionsresultsThereturnof“whitebikes”in1999actionsresults“Whitebikes”nowadaysinfluencearoundtheworldinChina“Whitebikes”inthe1960spurposesactionsresultsbecomeimpossibletoseetosaveenergytoreducepollutiontoprovidefreepublictransportpaintedbicycleswhiteplacedtheminmanyareasforpeopletouseproblemscameupthe“whitebikes”alldisappeared

Retellthefirstpart—“whitebikes”inthe1960sInthe1960s,agroupofcyclingfansinAmsterdamfirsthadtheideafor“whitebikes”.Theywantedtosaveenergy,reducepollutionandprovidefreepublictransport.Theypaintedbicycleswhiteandplacedtheminmanyareasforpeopletouse.Withinamatterofweeks,thebikeshadallbeenstolenandtheprojectcametoanend.Thereturnofthe“whitebikes”in1999actionsresultshadacomputertrackingsysteminitpaintedinbrightcolorsparkedatspecialparkingplacesthe“whitebikes”returnedtoAmsterdampeoplecanenjoythecleanandeasytransportincentralAmsterdam

Retellthesecondpart—“whitebikes”in1999In1999,“whitebikes”returnedtoAmsterdam.Thistimeeverybikehadacomputertrackingsysteminittomakeitpossibletorecorditsmovements.Theywerepaintedinbrightcolorsandparkedatspecialparkingplaces..“Whitebikes”nowadaysinfluencearoundtheworldinChinaspreadtheideahaspedalleditswayaroundtheworldtherehasbeenaglobalincreaseinbike-sharingmoreandmorecitieshave“whitebike”programs(benefitsandproblems)

Retellthethirdpart—“whitebikes”nowadaysNowadays,theideaof“whitebikes”haspedalleditswayaroundtheworld.MoreandmorecitiesinChinahavetheirown“whitebikes”programmes..1.Whydidcyclingfansputforwardtheideaof“whitebikes”inthe1960s?2.Whatisthedifferencebetweenthe“whitebikes”ofthe1960sandof1999?3.Whateffectshave“whitebikes”hadonAmsterdam?4.Whyhastheideaspreadtootherpartsoftheworldinrecentyears?

Readthepassageagainandanswerquestions.(Ex.4onP38)1.Whydidcyclingfansputforwardtheideaof“whitebikes”inthe1960s?

Becausetheybelievedthatitwouldbebetterforeverybodyifcarsweren'tallowedinthecitycentreandonlybicycleswere.Theyhopethiswouldhelptosaveenergy,reducepollutionandprovidefreepublictransport.

2.Whatisthedifferencebetweenthe“whitebikes”ofthe1960sandof1999?

inthe1960sin1999paintedbicycleswhiteplacedtheminmanyareasforpeopletousepaintedinbrightcolorsparkedatspecialparkingplaceshadacomputertrackingsysteminit3.Whateffectshave“whitebikes”hadonAmsterdam?Peoplecan

enjoythecleanandeasytransportincentralAmsterdam.

4.Whyhastheideaspreadtootherpartsoftheworldinrecentyears?

Becauseotherpartsoftheworldhavesimilardemandsandtheideaof“whitebikes”isareallygoodone.

SummaryDigDeeper1.Whatdoesthetitle“WhiteBikesontheRoad”mean?2.Whatdoesthewritermeanbysaying“Wherewillbike-sharinggoinChina?Youdecide.”?“Whitebikes”ontheroadrefersto“whitebikes”beingusedtoridearoundthestreetsofacity.Apartfromtheliteralmeaning,thetitlecanalsomeanthattheefforttoimplement（實施）“whitebikes”projecttakestimeandit'sstillontheway.There'restillaspectsthatneedtobeimproved.1.Whatdoesthetitle“WhiteBikesontheRoad”meanProblemswearefacingWhethersharedbikeswillbringbenefitstousdependsonhowweusethem.Youngpeople,suchasthestudents,willdeterminehow

successfulbike-sharingisinthefuturebydecidingwhetherornottheywanttouseit.2.Whatdoesthewritermeanbysaying“Wherewillbike-sharinggoinChina?Youdecide.”?Thewriter’sattitudetowardsthe“whitebikes”is

.A.supportiveB.opposedC.notstatedD.Pessimistic悲觀的ExplanationPeopleinAmsterdamhavebeenenjoyingthebenefitsofcyclingforyears.Theideabeganabout50yearsago,andwasfirstknownas“whitebikes”.Amsterdamisagoodcityforcyclingbecauseit’sflatandthereforeconvenientforbikes.Therearealsoplentyofplacesforbicycleparkingandmoststreetsinthecitycentrehaveabicyclepath.Becauseofitsconvenienceforbicycles,Amsterdamhasbecomeverypopularwithcyclists—anamazing38%ofalltripsaremadebybike.SomepeopleevencallAmsterdam“theCityofBicycles”.beknownas作為…出名

大量的bepopularwith受…歡迎多年Wheredidtheideaof“whitebikes”comefrom?Inthe1960s,agroupofcyclingfanscameupwithanidea.Theybelievedthatitwouldbebetterforeverybodyifcarsweren’tallowedinthecitycentreandonlybicycleswere.Theywerehopefulthatthiswouldhelptosaveenergy,reducepollutionandprovidefreepublictransport.ThegrouppaintedhundredsofbicycleswhiteandplacedtheminmanyareasaroundAmsterdamforpeopletouse.Anyonewasallowedtotakethemandusethemforshortjourneys.想到，提出賓語從句如果（主將從現(xiàn)）Paintsthcolor把…刷成顏色v.放置Peoplewouldleavethebikeintheplacewheretheyfinishedtheirjourney,sothatsomeoneelsecouldthentakeitanduseitfromthere.Soonafter,however,problemscameupandthe“whitebikes”alldisappeared—thievesstolethemallinamatterofweeks!定于從句目的狀語從句出現(xiàn)，In1999,the“whitebikes”returnedtoAmsterdam—thistimewithacomputertrackingsystemtorecordtheireverymove!Totakeabicycle,youhadtoputinaspecialcard.Thenew“whitebikes”werenotactuallywhitebutpaintedinbrightcolours.Thebikeswereparkedatspecialparkingplaces.Thuspeoplewhowantedtousethemhadtotakethemtoanotherspecialparkingplaceneartheirdestinationandleavethemthere.定語從句

Thankstotheideasandeffortsofmanypeople,likethecyclingfansofthe1960sandthosewhoenabledthereturnof“whitebikes”,youcannowenjoycleanairandeasytransportincentralAmsterdam.Nowadays,theideaof“whitebikes”haspedalleditswayaroundtheworldandtherehasbeenaglobalincreaseinbike-sharing.多虧了InChina,moreandmorecitieshavetheirown“whitebike”programmes.Boththelocalsandtouristsliketousesharedbikesbecausebike-sharingisacheapandeasywaytosaveenergy,reduceairandnoisepollution,andenjoythebenefitsofexerciseincities.However,problemscanalsodevelop,likethetheftofbikesandparkingissues.Fortunately,peoplearetryingdifferentwaysofsolvingthoseproblems.Wherewillbike-sharinggoinChina?Youdecide.課文語法填空People1.

(enjoy)thebenefitsofcyclinginAmsterdamforyears.Itisagoodcityforcyclingbecauseitisflatand2.

convenientforbikes.Inthe1960s，agrou