Unit2BuildingthefutureReading课件高中英语牛津译林版（2020）选修第二册

B9U2B9U2BuildingthefutureSustainabilityisaboutecology,economyandequity.

Threecoreelementsofsustainabledevelopment

ThreeSustainableDevelopmentGoalsEconomicgrowthSocialinclusionEnvironmentalprotectionAffordableandcleanenergyDecentworkandeconomicgrowthSustainablecitiesandcommunitiesharmonize协调/统一/和声facilitate促进/使便利utilize利用/应用/使用entrepreneurship创业(企业家)精神prosperity繁荣/成功Pre-reading:Whatrenewableenergysourceshaveyouheardabout?solarenergy太阳能

windenergyhydroelectricenergytidalenergygeothermalenergy风能

水电能

潮汐能

生物质能

biomassenergy地热能

Scanforkeywordsandtopicsentences!keywordsinsequenceoftimeHowdoestheauthortellthestoryofavillage?Scanforkeywordsandtopicsentences!Scanforkeywordsandtopicsentences!Scanforkeywordsandtopicsentences!Scanforkeywordsandtopicsentences!Scanforkeywordsandtopicsentences!

Para.2:

ofrenewableenergysources

Para.1:

havedamagingeffectsontheenvironment.

Para.3:

___________and___________ofrenewableenergysources

Para.4:

ofrenewableenergysourcesPara.5:

ofrenewableenergysources

Para.6:Renewableenergyisagiftforourfuture

FossilfuelsAdvantagesChallengesApplicationPossibilitiesdevelopmentL12-L13L28L36L45-47While-reading:Para.1:

havedamagingeffectsontheenvironment.Fossilfuelspara.2:Aofrenewableenergysources(1).

tendtobelower.(2).Renewableenergysourcesare

and

forafewbillionmoreyears.Thecarbondioxsideemissionsinexhaustibleavailabledvantagespara.3:

ApplicationofrenewableenergysourcesThecurrentsituationofusingrenewableenergy:

Renewableenergyisnow

.

.

.graduallybeingintegratedintoinfrastructures,suchastransport,communicationandpowersupplysystem.ThedevicestoproveChinaisembracingtherenewableenergyrevolution:Chinamanufacturesstate-of-the-artsolarpanelsandwindturbines,andisthegloballeaderintheproductionof

batteriestopowerelectricvehiclesandstorerenewableenergyonpowergrids.Renewableenergyconsumptionaccountsfor_________________itstotalenergy

consumptionandthisfigureisstillincreasing.examplefiguremorethan20%ofpara.4:

CofrenewableenergysourcesLimitations:

Renewableenergysourcesare

____________andatanygivenmoment.Difficultyin

:Thestorage

ofmostbatteriesnowadaysisnotlargeenoughtomeetourdailypowerdemands.Certainhigh-capacitybatteriespresentproblems,suchas

______andrelated

.not

available

everywherestoragecapacityhigh

manufacturingcostsenvironmentaldamagehallengespara.5:Pofrenewableenergysources（1）Space-based_______________projects（2）Thermal__________ossibilitiessolarpowerbatteries

Conclusion:RenewableenergyisagiftforourfutureTherewasonceavillagesurroundedbyfertilefieldswithfarmerstendingtheircropsandfarmanimalsgrazinglazily

belowamightymountain.Thencoalwasdiscoveredandsoontitanic-sizedearth-diggingmachinescircledthevillage.Villagerseagerlyacceptedthehigh-paidjobstheminingcompanyprovided,bringingatemporaryeconomicboom.Meanwhile,themachinescutthrougheverythingintheirpathtoaccessthecoalburiedbeneath.Manyyearslater,allthatremainedwasadesertedvillageandanenormoushole.从前有一个村庄，周围是肥沃的土地，农民们耕种庄稼，牲畜在高山下懒洋洋地吃草。后来这里发现了煤，很快，巨大的挖土机包围了村庄。村民们迫不及待地接受了采矿公司提供的高薪工作，这带来了短暂的经济繁荣。与此同时，机器在所经之处一路深挖，以获取埋在地下的煤炭。许多年后，这里剩下的只有一个废弃的村庄和一个巨大的坑.Para1Para1:fertilefields(L1)tendone’scrops(L1)high-paidjobs

(L4)atemporaryeconomicboom(L5)cutthrough(L5)肥沃的土地

打理庄稼

高薪工作

暂时的经济繁荣

刺穿；抄近路走过

PhrasesThescenairoistragic,butitonlypartlydescribesthedamagingeffectsfossilfuelshaveontheenvironmentwhentheyaremined.Actually,onceburnt,theyproducealargequantityofcarbondioxide,whichinturntrapsheatandcausesglobalwarming.Humansareclearlyfacingacriticalmoment,soamovetowardsclean,renewableenergyisinevitable.Renewableenergysources,whichincludesolar,wind,hydroelectric,tidal,biomassandgeothermalenergy,areperfectalternativestofossilfuels.这是个悲剧的场景，但它只描绘了化石燃料开采时对环境造成的破坏性影响的一部分。事实上，一旦燃烧，它们（化石燃料）就会产生大量二氧化碳，而二氧化碳又会吸收热量，导致全球变暖。人类显然正面临着一个关键时刻，因此必然要向清洁的可再生能源转变。可再生能源包括太阳能、风能、水能、潮汐能、生物质能和地热能，它们可以完美地替代化石燃料。Para2Oneofthereasonsisthattheircarbondioxideemissionstendtobelower.Astudyfoundthatrenewableenergysourcesemitabout50gorlessofcarbondioxideperkilowatt-hourovertheirlifetime,comparedtoabout1,000gforcoal.Besides,fossilfuelsarenon-renewable,whosereservesareestimatedtodryuponedayinthefuture.Incontrast,renewableenergysourcesarebasicallyinexhaustibleandwillbeavailabletousforafewbillionmoreyearsifourplanetremainssafeandhealthy.这其中的原因之一是它们的碳排放量往往更低。一项研究发现，可再生能源在其生命周期中，产生每千瓦时电力排放的二氧化碳只有约50克或更少，而煤炭燃烧排放的二氧化碳约为1000克。此外，化石燃料是不可再生能源，其储备估计在未来某一天会枯竭。相比之下，可再生能源基本上是无穷无尽的。只要我们的地球安全、健康，可再生能源还可供我们使用几十亿年。Para2:Phrasesamovetowards......(L11)

beperfectalternativesto(L13)carbondioxideemissions(emit)(L14)

tendtodo(L14)comparedto/with...(L16)dryup(L17)incontrast(L17)beavailableto

(L18)向......转变是……的完美替代品 二氧化碳排放倾向于做；往往与……相比

干涸；枯竭 与此相反；比较起来可被……利用或得到的Countriesaroundtheworldareracingtowardsalow-carbonfuturebyinvestinginrenewableenergysources.Renewableenergyisnowgraduallybeingintegratedintoinfrastructures,suchastransport,communicationandpowersupplysystems.世界各国正通过投资可再生能源，在向低碳未来迈进的道路上你追我赶。可再生能源目前正逐步与交通运输、通信和电力供应系统等基础设施相融合。Para3.中国是热切欢迎可再生能源革命的国家之一。中国制造了最先进的太阳能电池板和风力涡轮机，在生产为电动汽车供电的电池，以及在电网上储存可再生能源的电池方面，中国全球领先。可再生能源消耗占中国能源消耗总量的20%以上，这一数字还在增长。在过去的十年里，中国在清洁能源技术的研发和应用方面一直处于领先地位。Chinaisoneofthecountriesembracingtherenewableenergyrevolution.Chinamanufacturesstate-of-theartsolarpanelsandwindturbines,andisthegloballeaderintheproductionofbatteriestopowerelectricvehiclesandstorerenewableenergyonpowergrids.Renewableenergyconsumptionaccountsformorethan20percentofitstotalenergyconsumption,andthisfigureisincreasing.Overthepastdecade,Chinahasbeenaheadin

thedevelopmentandapplicationofcleanenergytechnologies.Para3:Phrasesinvestin(doing)sth.(L20)beintegratedinto(L21)energyconsumption(L26)accountfor(L26)beaheadin

(L27)投资…… 与……融为一体;与……有机融合

能源消耗

占……比例

处于领先地位

So,withtheseadvantagesanddevelopments,whynotcompletelyreplacefossilfuelswithrenewableenergy?Thetruthisthatproducingpowerfromrenewableenergysourcescanbechallenging.Renewableenergysourcesarenotavailableeverywhereandatanygivenmoment.Forinstance,tidalenergyisonlyavailableincoastalareas;solarandwindenergycannotproducepower24/7.那么，既然可再生能源有这些优势，已经取得了这么多进展，为什么不用可再生能源完全替代化石燃料呢？事实是，利用可再生能源发电还充满了挑战。不是任何地点、任何时间都有可以利用的可再生能源。例如，潮汐能只在沿海地区才有；太阳能和风能不能全天候发电。Para4更大的挑战是如何将多余的能量储存在电池中以供日后使用。目前大多数电池的存储容量都不足以满足我们的日常电力需求。某些大容量电池存在制造成本高、环境危害大等问题。例如，电池中使用的稀有金属开采成本高，并且如果电池没有合理回收，就会向环境中泄露有毒的化学物质。Agreaterchallengeisstoringanyextraenergyinbatteriesforlateruse.Mostcurrentbatteriesdonothaveastoragecapacitylargeenoughtomeetourdailypowerdemands.Certainhigh-capacitybatteriespresentproblems,suchashighmanufacturingcostsandrelatedenvironmentaldamage.Forinstance,miningfortheraremetalsusedinthebatteriesisexpensive,andwhennotproperlyrecycled,thebatteriesleakdangerouschemicalsintotheenvironment.用B取代A 在任何特定的时刻

存储容量

满足我们对电力的日常需求

replaceAwithB(L29)atanygivenmoment(L32)astoragecapacity(L34)meetourdailypowerdemands(L35)Para4:PhrasesWiththesechallengesinmind,afuturewithrenewableenergymaybedifficulttopredit.However,itispossible.Renewableenergysourcesexistinallkindsofplaces,includingspace.Space-basedsolarpowerprojectsaimtocollectsolarenergyinourterspaceanddistributeiteverywhereitisneededontheEarth.Asolarcollectorwouldbeplacedinalocationwherethereisconstantsunlightotcapturehigherlevelsofsolarenergyforlongerperiods.由于这些挑战的存在，或许很难预测未来是否会使用清洁能源。然而，这是可能的。可再生能源在各个地方都存在，包括太空。空间太阳能项目旨在收集外太空的太阳能，并将其分配到地球上任何需要的地方。太阳能收集器将被安放在太阳光总能照射到的地方，从而能够在更长时间内收集到更多太阳能。Para5科学家们也在努力解决储能的问题。例如，热电池可以将多余的可再生能源以高达1000℃的超高温热能形式储存在沙子、水等廉价的储存介质中。与普通电池相比，这些热电池价格便宜得多，而且寿命更长，存储容量更大。更好的是，它们可以完全回收利用。

Scientistsarealsoworkinghardtosolvetheenergystorageproblem.Thermalbatteries,forinstance,canstoretheextrarenewableenergyasheatuptotheextremelyhightemepratureof1,000℃inaninexpensivestoragemediumlikesandorwater.Comparedwithcommonbatteries,thesethermalbatteriesareconsiderablycheaper,andhavealongerlifeaswellasahigherstoragecapacity.Betterstill,theyarecompletelyrecyclable.

Withoutdoubt,renewableenergywillformabigpartofourfuture.Lookingforward,weshouldinvestinnewtechnologiesandinnovativethinkingthatopenthedoortoawholenewworldwherewedecreaserelianceonfossilfuels.Renewableenergy----awelcomegiftforourfuture----willhelpusbuildagreenerandhealthierworld.

毋庸置疑的是，可再生能源将会是我们未来的一个重要组成部分。展望未来，我们应该投资于新技术和新思维，这些新技术和新思维打开了

一个对化石燃料以来程度更低的全新世界的大门。可再生能源将会帮助我们创造一个更绿色、更健康的世界——这是为我们的未来准备的一份欢迎礼。Para6Para6:Withoutdoubt(L50)

毫无疑问openthedoorto...(L51)

为...创造机会

decreaserelianceon...(L52)

减少对......依赖

rely(v.)---reliable(adj.)---reliance(n.)4.Renewableenergy—awelcomegiftforourfuture—willhelpusbuildagreenerand

（health)world.healthierLanguagefocus1.Therewasonceavillage

（

(surround)by

fertilefields）（with

farmerstendingtheircropsandfarmanimalsgrazinglazilybelowamightymountain）.2.Thencoalwasdiscoveredandsoontitanic-sizedearth-diggingmachines

(circle)thevillage.3.Manyyearslater,all

remainedwasadesertedvillageandanenormoushole.surroundedPara1:Importantsentencescircled翻译：许多年后，这里剩下的只有一个废弃的村庄和一个巨大的坑洞。翻译：从前有一个村庄，周围是肥沃的土地，农民们耕种庄稼，牲畜在高山下懒洋洋地吃草。circlev.围绕；盘旋n.圈；循环that过去分词做后置定语with复合结构

4.Thescenarioistragic,butitonlypartlydescribesthedamagingeffectsfossilfuelshave

theenvironmentwhentheyaremined.5.Actually,onceburnt,theyproducealargequantityof

carbondioxide,whichinturn

(trap)heatandcausesglobalwarming.6.Besides,fossilfuelsarenon-renewable,

reservesareestimatedto

dryup

onedayinthefuture.

Para2:Importantsentences这是个可悲的场景，但它只描绘了化石燃料开采时对环境造成的部分破坏性影响。事实上，一旦燃烧，它们（化石燃料）就会产生大量二氧化碳，而二氧化碳又会吸收热量，导致全球变暖。此外，化石燃料是不可再生的，其储备预计在未来某一天会枯竭。ontrapswhosereserven.储备量；保护区U矜持trapn.陷阱v.诱捕；聚集betrappedin...被困在...7.Countriesaroundtheworldare

racingtowardsalow-carbonfutureby

(invest)inrenewableenergysources.8.Renewableenergyisnowgradually

being

integrated

into

infrastructures,suchastransport,communicationandpowersupplysystems.可再生能源目前正逐步与交通运输、通信和电力供应系统等基础设施融合。Para3:Importantsentences世界各国正通过投资可再生能源，在向低碳未来迈进的道路上你追我赶。investing9.Chinamanufacturesstate-of-the-art

solarpanelsandwindturbines,andisthegloballeaderintheproductionofbatteriestopowerelectricvehiclesandstorerenewableenergyonpowergrids.中国制造了最先进的太阳能电池板和风力涡轮机，在生产为电动汽车供电的电池，以及在电网上储存可再生能源的电池方面，中国全球领先。10.Overthepastdecade,China

（be）aheadinthedevelopmentandapplicationofcleanenergytechnologies.state-of-the-artsolarpanelswindturbinespowergridspoweradj.最先进的太阳能电池板风力涡轮机v.供能；n.权力；电力；强国电网hasbeenPara4ImportantSentences11.Mostcurrentbatteriesdonothaveastoragecapacitylargeenough(meet)ourdailypowerdemands.12.Forinstance,miningfortheraremetals（

(use)inthebatteries）isexpensive,andnotproperlyrecycled,thebatteriesleakdangerouschemicalsintotheenvironment.when/ifusedtomeet目前大多数电池的储存容量都不足以满足我们的日常电力需求。例如，电池中使用的稀有金属开采成本高，并且如果电池没有合理回收，就会向环境中泄露危险的化学物质。（theyare）Para5Importantsentences13.Space-basedsolarpowerprojectsaimtocollectsolarenergyinouterspaceanddistributeititisneededontheEarth.14.Asolarcollectorwouldbeplacedinalocation

thereisconstantsunlighttocapturehigherlevelsofsolarenergyforlongerperiods.空间太阳能工程旨在收集外太空的太阳能，并将其分配到地球上任何需要的地方。太阳能收集器将被置于太阳光总能照射到的地方，从而能够在更长时间内收集到更多太阳能。whereeverywhere15.Thermalbatteries,forinstance,canstoretheextrarenewableenergyasheat

uptotheextremelyhightemperatureof1,000℃inaninexpensivestoragemediumlikesandorwater.16.

(compare)with/tocommonbatteries,thesethermalbatteriesare

(consider)cheaper,andhavealongerlifeaswellasahigherstoragecapacity.Betterstill,theyarecompletelyrecyclable.例如，热电池可以将多余的可再生能源以高达1000℃的超高温热能的形式储存在沙子、水等廉价的储存介质中。与普通电池相比，这些热电池价格便宜得多，而且寿命更长，存储容量更大。ComparedconsiderablyPara6ImportantSentences17.Lookingforward,weshouldinvestinnewtechnologiesandinnovativethinkingthatopenthedoortoawholenewworld

_________wedecrease_____________(rely)on

fossilfuels.where展望未来，我们应该投资于新技术和新思维，这些新技术和新思维打开了一个对化石燃料依赖程度更低的全新世界的大门。relianceTherewasonceavillagesurroundedbyfertilefieldswithfarmerstendingtheircropsandfarmanimalsgrazinglazily

belowamightymountain.Thencoalwa