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1、odule4SandstormsinAsiaPeriod1IntroductionReadingandVocabularyⅠ.阅读理解ATherehasbeenadramaticincreaseinthenumberofnaturaldisastersoverthepastfewyears,anditisassumedthatglobalwarmingandclimatechangecouldcauseevenmoredisastersinthefuture.Someoftheworld’sleadingcitiesa
2、refacingdisasterslikefloodsandheatwaves.LondonLondon’sflooddefencesaregettingolder.Since1982,theThamesBarrier(水闸)hasprotectedthecityfromthethreatofflooding,butitwasonlydesignedtolastuntil2030andcloseonceeverytwoorthreeyears.About26yearslaterthebarriernowclosesfi
3、veorsixtimesayearandaccordingtoEnvironmentAgencypredictions,by2050thebarrierwillbeclosedonalmosteverytideiftheproblemisnotaddressed.Thereare26undergroundstations,400schools,16hospitals,anairportand80billionworthofpropertyinLondon’sfloodriskarea,solargescaleflood
4、ingwouldbedisastrous.ParisOverasixweekperiodinJulyandAugust2003,morethan11,400-mainlyelderlypeople-diedinFrancefromdehydration(脱水)andextremelyhighbodytemperatureinadeadlyheatwave.Heatwavesofsimilarintensity(强度)areexpectedeverysevenyearsby2050,sowhatcanbedonetoma
5、kesuresuchadisasterdoesnothappenagain?Onesolutionistohaveair-conditionersinstalledinelderlycarehomes.Butthisisconsideredashort-termsolution,astheincreaseindemandforelectricityalsoincreasescarbonemissions(排放).InParisthelocalauthoritiesareencouragingarchitectstode
6、signnewtypesofbuildingssuchasthebuilding“FlowerTower”,whichusesacoveringofbamboo7toactasanaturalair-conditioner.ShanghaiShanghaiisoneofthefastestgrowingcitiesonEarth.Ithasapopulationof18millionandisonly4metersabovesealevel.Sealevelsarepredictedtoriseby20cmwithin
7、thenextcentury.Anestimated250,000peoplemovetoShanghaieveryyearinsearchofwork,placingextrademandsonenergyconsumption.Chinareliesheavilyoncoal-firedpowerstations,buttheseemissionsincreasetemperaturesand,inturn,warmerseasincreasetheriskoftyphoons.【语篇概述】近年来全球自然灾害的数量
8、剧增,据预测,在将来,全球变暖等气候变化将会导致更多的灾难。让我们看一看世界上的大城市将会面临什么样的灾难。1.WhatproblemshouldbesettlednowinLondon?A.Howtoprotectthecity’sproperty.B.Wheretobuilditsflooddefences.C.Howtous
