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1、Unit4GlobalwarmingI.阅读理解Passage1（2017·江苏卷）体裁话题词数难度建议时间说明文全球变暖创造性适应方法689★★★☆☆7分钟OldProblem,NewApproachesWhilecleanenergyisincreasinglyusedinourdailylife,globalwarmingwillcontinueforsomedecadesafterCO2emissions(排放)peak.Soevenifemissionsweretobegintodecreasetoday,wewouldstillf
2、acethechallengeofadaptingtoclimatechange.HereIwillstresssomesmarterandmorecreativeexamplesofclimateadaptation.Whenitcomestoadaptation,itisimportanttounderstandthatclimatechangeisaprocess.Wearethereforenottalkingaboutadaptingtoanewstandard,buttoaconstantlyshiftingsetofcondit
3、ions.Thisiswhy,inpartatleast,theUSNationalClimateAssessmentsaysthat:"Thereisno‘one-sizefitsall’adaptation."Nevertheless,therearesomeactionsthatoffermuchandcarrylittleriskorcost.Aroundtheworld,peopleareadaptinginsurprisingways,especiallyinsomepoorcountries.Floodshavebecomemo
4、redamaginginBangladeshinrecentdecades.MohammedRezwansawopportunitywhereotherssawonlydisaster.Hisnot-for-profitorganizationruns100riverboatsthatserveasfloatinglibraries,schools,andhealthclinics,andareequippedwithsolarpanelsandothercommunicatingfacilities.Rezwaniscreatingfloa
5、tingconnectivity(连接)toreplacefloodedroadsandhighways.Butheisalsoworkingatafarmorefundamentallevel:hisstaffshowpeoplehowtomakefloatinggardensandfishpondstopreventstarvationduringthewetseason.ElsewhereinAsiaevenmoreastonishingactionsarebeingtaken.ChewangNorphellivesinamountai
6、nousregioninIndia,whereheisknownastheIceMan.Thelossofglaciers(冰川)thereduetoglobalwarmingrepresentsanenormousthreattoagriculture.Withouttheglaciers,waterwillarriveintheriversattimeswhenitcandamagecrops.Norphel’sinspirationcamefromseeingthewasteofwateroverwinter,whenitwasnotn
7、eeded.Hedirectedthewastedwaterintoshallowbasinswhereitfroze,andwasstoreduntilthespring.Hisfieldsoficesupplyperfectlytimedirrigation(灌溉)water.Havingcreatedninesuchicereserves,Norphelcalculatesthathehasstoredabout200,000m3ofwater.Climatechangeisacontinuingprocess,soNorphel’si
8、cereserveswillnotlastforever.Warmingwillovertakethem.Butheisprovidingafewyearsduri
