Unit2BuildingthefutureReading課件高中英語牛津譯林版（2020）選修第二冊

B9U2B9U2BuildingthefutureSustainabilityisaboutecology,economyandequity.

Threecoreelementsofsustainabledevelopment

ThreeSustainableDevelopmentGoalsEconomicgrowthSocialinclusionEnvironmentalprotectionAffordableandcleanenergyDecentworkandeconomicgrowthSustainablecitiesandcommunitiesharmonize協(xié)調/統(tǒng)一/和聲facilitate促進/使便利utilize利用/應用/使用entrepreneurship創(chuàng)業(yè)(企業(yè)家)精神prosperity繁榮/成功Pre-reading:Whatrenewableenergysourceshaveyouheardabout?solarenergy太陽能

windenergyhydroelectricenergytidalenergygeothermalenergy風能

水電能

潮汐能

生物質能

biomassenergy地熱能

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.從前有一個村莊，周圍是肥沃的土地，農(nóng)民們耕種莊稼，牲畜在高山下懶洋洋地吃草。后來這里發(fā)現(xiàn)了煤，很快，巨大的挖土機包圍了村莊。村民們迫不及待地接受了采礦公司提供的高薪工作，這帶來了短暫的經(jīng)濟繁榮。與此同時，機器在所經(jīng)之處一路深挖，以獲取埋在地下的煤炭。許多年后，這里剩下的只有一個廢棄的村莊和一個巨大的坑.Para1Para1:fertilefields(L1)tendone’scrops(L1)high-paidjobs

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

打理莊稼

高薪工作

暫時的經(jīng)濟繁榮

刺穿；抄近路走過

PhrasesThescenairoistragic,butitonlypartlydescribesthedamagingeffectsfossilfuelshaveontheenvironmentwhentheyaremined.Actually,onceburnt,theyproducealargequantityofcarbondioxide,whichinturntrapsheatandcausesglobalwarming.Humansareclearlyfacingacriticalmoment,soamovetowardsclean,renewableenergyisinevitable.Renewableenergysources,whichincludesolar,wind,hydroelectric,tidal,biomassandgeothermalenergy,areperfectalternativestofossilfuels.這是個悲劇的場景，但它只描繪了化石燃料開采時對環(huán)境造成的破壞性影響的一部分。事實上，一旦燃燒，它們（化石燃料）就會產(chǎn)生大量二氧化碳，而二氧化碳又會吸收熱量，導致全球變暖。人類顯然正面臨著一個關鍵時刻，因此必然要向清潔的可再生能源轉變?？稍偕茉窗ㄌ柲?、風能、水能、潮汐能、生物質能和地熱能，它們可以完美地替代化石燃料。Para2Oneofthereasonsisthattheircarbondioxideemissionstendtobelower.Astudyfoundthatrenewableenergysourcesemitabout50gorlessofcarbondioxideperkilowatt-hourovertheirlifetime,comparedtoabout1,000gforcoal.Besides,fossilfuelsarenon-renewable,whosereservesareestimatedtodryuponedayinthefuture.Incontrast,renewableenergysourcesarebasicallyinexhaustibleandwillbeavailabletousforafewbillionmoreyearsifourplanetremainssafeandhealthy.這其中的原因之一是它們的碳排放量往往更低。一項研究發(fā)現(xiàn)，可再生能源在其生命周期中，產(chǎn)生每千瓦時電力排放的二氧化碳只有約50克或更少，而煤炭燃燒排放的二氧化碳約為1000克。此外，化石燃料是不可再生能源，其儲備估計在未來某一天會枯竭。相比之下，可再生能源基本上是無窮無盡的。只要我們的地球安全、健康，可再生能源還可供我們使用幾十億年。Para2:Phrasesamovetowards......(L11)

beperfectalternativesto(L13)carbondioxideemissions(emit)(L14)

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

(L18)向......轉變是……的完美替代品 二氧化碳排放傾向于做；往往與……相比

干涸；枯竭 與此相反；比較起來可被……利用或得到的Countriesaroundtheworldareracingtowardsalow-carbonfuturebyinvestinginrenewableenergysources.Renewableenergyisnowgraduallybeingintegratedintoinfrastructures,suchastransport,communicationandpowersupplysystems.世界各國正通過投資可再生能源，在向低碳未來邁進的道路上你追我趕?？稍偕茉茨壳罢鸩脚c交通運輸、通信和電力供應系統(tǒng)等基礎設施相融合。Para3.中國是熱切歡迎可再生能源革命的國家之一。中國制造了最先進的太陽能電池板和風力渦輪機，在生產(chǎn)為電動汽車供電的電池，以及在電網(wǎng)上儲存可再生能源的電池方面，中國全球領先?？稍偕茉聪恼贾袊茉聪目偭康?0%以上，這一數(shù)字還在增長。在過去的十年里，中國在清潔能源技術的研發(fā)和應用方面一直處于領先地位。Chinaisoneofthecountriesembracingtherenewableenergyrevolution.Chinamanufacturesstate-of-theartsolarpanelsandwindturbines,andisthegloballeaderintheproductionofbatteriestopowerelectricvehiclesandstorerenewableenergyonpowergrids.Renewableenergyconsumptionaccountsformorethan20percentofitstotalenergyconsumption,andthisfigureisincreasing.Overthepastdecade,Chinahasbeenaheadin

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

(L27)投資…… 與……融為一體;與……有機融合

能源消耗

占……比例

處于領先地位

So,withtheseadvantagesanddevelopments,whynotcompletelyreplacefossilfuelswithrenewableenergy?Thetruthisthatproducingpowerfromrenewableenergysourcescanbechallenging.Renewableenergysourcesarenotavailableeverywhereandatanygivenmoment.Forinstance,tidalenergyisonlyavailableincoastalareas;solarandwindenergycannotproducepower24/7.那么，既然可再生能源有這些優(yōu)勢，已經(jīng)取得了這么多進展，為什么不用可再生能源完全替代化石燃料呢？事實是，利用可再生能源發(fā)電還充滿了挑戰(zhàn)。不是任何地點、任何時間都有可以利用的可再生能源。例如，潮汐能只在沿海地區(qū)才有；太陽能和風能不能全天候發(fā)電。Para4更大的挑戰(zhàn)是如何將多余的能量儲存在電池中以供日后使用。目前大多數(shù)電池的存儲容量都不足以滿足我們的日常電力需求。某些大容量電池存在制造成本高、環(huán)境危害大等問題。例如，電池中使用的稀有金屬開采成本高，并且如果電池沒有合理回收，就會向環(huán)境中泄露有毒的化學物質。Agreaterchallengeisstoringanyextraenergyinbatteriesforlateruse.Mostcurrentbatteriesdonothaveastoragecapacitylargeenoughtomeetourdailypowerdemands.Certainhigh-capacitybatteriespresentproblems,suchashighmanufacturingcostsandrelatedenvironmentaldamage.Forinstance,miningfortheraremetalsusedinthebatteriesisexpensive,andwhennotproperlyrecycled,thebatteriesleakdangerouschemicalsintotheenvironment.用B取代A 在任何特定的時刻

存儲容量

滿足我們對電力的日常需求

replaceAwithB(L29)atanygivenmoment(L32)astoragecapacity(L34)meetourdailypowerdemands(L35)Para4:PhrasesWiththesechallengesinmind,afuturewithrenewableenergymaybedifficulttopredit.However,itispossible.Renewableenergysourcesexistinallkindsofplaces,includingspace.Space-basedsolarpowerprojectsaimtocollectsolarenergyinourterspaceanddistributeiteverywhereitisneededontheEarth.Asolarcollectorwouldbeplacedinalocationwherethereisconstantsunlightotcapturehigherlevelsofsolarenergyforlongerperiods.由于這些挑戰(zhàn)的存在，或許很難預測未來是否會使用清潔能源。然而，這是可能的。可再生能源在各個地方都存在，包括太空?？臻g太陽能項目旨在收集外太空的太陽能，并將其分配到地球上任何需要的地方。太陽能收集器將被安放在太陽光總能照射到的地方，從而能夠在更長時間內收集到更多太陽能。Para5科學家們也在努力解決儲能的問題。例如，熱電池可以將多余的可再生能源以高達1000℃的超高溫熱能形式儲存在沙子、水等廉價的儲存介質中。與普通電池相比，這些熱電池價格便宜得多，而且壽命更長，存儲容量更大。更好的是，它們可以完全回收利用。

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

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

毋庸置疑的是，可再生能源將會是我們未來的一個重要組成部分。展望未來，我們應該投資于新技術和新思維，這些新技術和新思維打開了

一個對化石燃料以來程度更低的全新世界的大門?？稍偕茉磳椭覀儎?chuàng)造一個更綠色、更健康的世界——這是為我們的未來準備的一份歡迎禮。Para6Para6:Withoutdoubt(L50)

毫無疑問openthedoorto...(L51)

為...創(chuàng)造機會

decreaserelianceon...(L52)

減少對......依賴

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翻譯：許多年后，這里剩下的只有一個廢棄的村莊和一個巨大的坑洞。翻譯：從前有一個村莊，周圍是肥沃的土地，農(nóng)民們耕種莊稼，牲畜在高山下懶洋洋地吃草。circlev.圍繞；盤旋n.圈；循環(huán)that過去分詞做后置定語with復合結構

4.Thescenarioistragic,butitonlypartlydescribesthedamagingeffectsfossilfuelshave

theenvironmentwhentheyaremined.5.Actually,onceburnt,theyproducealargequantityof

carbondioxide,whichinturn

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

reservesareestimatedto

dryup

onedayinthefuture.

Para2:Importantsentences這是個可悲的場景，但它只描繪了化石燃料開采時對環(huán)境造成的部分破壞性影響。事實上，一旦燃燒，它們（化石燃料）就會產(chǎn)生大量二氧化碳，而二氧化碳又會吸收熱量，導致全球變暖。此外，化石燃料是不可再生的，其儲備預計在未來某一天會枯竭。ontrapswhosereserven.儲備量；保護區(qū)U矜持trapn.陷阱v.誘捕；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與交通運輸、通信和電力供應系統(tǒng)等基礎設施融合。Para3:Importantsentences世界各國正通過投資可再生能源，在向低碳未來邁進的道路上你追我趕。investing9.Chinamanufacturesstate-of-the-art

solarpanelsandwindturbines,andisthegloballeaderintheproductionofbatteriestopowerelectricvehiclesandstorerenewableenergyonpowergrids.中國制造了最先進的太陽能電池板和風力渦輪機，在生產(chǎn)為電動汽車供電的電池，以及在電網(wǎng)上儲存可再生能源的電池方面，中國全球領先。10.Overthepastdecade,China

（be）aheadinthedevelopmentandapplicationofcleanenergytechnologies.state-of-the-artsolarpanelswindturbinespowergridspoweradj.最先進的太陽能電池板風力渦輪機v.供能；n.權力；電力；強國電網(wǎng)hasbeenPara4ImportantSentences11.Mostcurrentbatteriesdonothaveastoragecapacitylargeenough(meet)ourdailypowerdemands.12.Forinstance,miningfortheraremetals（

(use)inthebatteries）isexpensive,andnotproperlyrecycled,thebatteriesleakdangerouschemicalsintotheenvironment.when/ifusedtomeet目前大多數(shù)電池的儲存容量都不足以滿足我們的日常電力需求。例如，電池中使用的稀有金屬開采成本高，并且如果電池沒有合理回收，就會向環(huán)境中泄露危險的化學物質。（theyare）Para5Importantsentences13.Space-basedsolarpowerprojectsaimtocollectsolarenergyinouterspaceanddistributeititisneededontheEarth.14.Asolarcollectorwouldbeplacedinalocation

thereisconstantsunlighttocapturehigherlevelsofsolarenergyforlongerperiods.空間太陽能工程旨在收集外太空的太陽能，并將其分配到地球上任何需要的地方。太陽能收集器將被置于太陽光總能照射到的地方，從而能夠在更長時間內收集到更多太陽能。whereeverywhere15.Thermalbatteries,forinstance,canstoretheextrarenewableenergyasheat

uptotheextremelyhightemperatureof1,000℃inaninexpensivestoragemediumlikesandorwater.16.

(compare)with/tocommonbatteries,thesethermalbatteriesare

(consider)cheaper,andhavealongerlifeaswellasahigherstoragecapacity.Betterstill,theyarecompletelyrecyclable.例如，熱電池可以將多余的可再生能源以高達1000℃的超高溫熱能的形式儲存在沙子、水等廉價的儲存介質中。與普通電池相比，這些熱電池價格便宜得多，而且壽命更長，存儲容量更大。ComparedconsiderablyPara6ImportantSentences17.Lookingforward,weshouldinvestinnewtechnologiesandinnovativethinkingthatopenthedoortoawholenewworld

_________wedecrease_____________(rely)on

fossilfuels.where展望未來，我們應該投資于新技術和新思維，這些新技術和新思維打開了一個對化石燃料依賴程度更低的全新世界的大門。relianceTherewasonceavillagesurroundedbyfertilefieldswithfarmerstendingtheircropsandfarmanimalsgrazinglazily

belowamightymountain.Thencoalwa