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2014年职称英语考试 争锋软件 理工A 王霞字典小抄-理工A.doc


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2014年职称英语考试 争锋软件 理工A 王霞字典小抄-理工A.doc
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ClimateChangePosesMajorRisksforUnpreparedCitiesAnewexaminationofurbanpolicieshasbeencarriedoutrecentlybyPatriciaRomeroLankao.Sheisasociologistspecializinginclimatechangeandurbandevelopment.Shewarnsthatmanyoftheworld’sfast-growingurbanareas,especiallyindevelopingcountries,willlikely1sufferfromtheimpactsofchangingclimate.Herworkalsoconcludesthatmostcitiesarefailingtoreduceemissionsofcarbondioxideandothergreenhousegases.Thesegasesareknowntoaffecttheatmosphere.“Climatechangeisadeeplylocalissueandposesprofoundthreatstothegrowingcitiesoftheworld,”saysRomeroLankao.“Buttoofewcitiesaredevelopingeffectivestrategiestoprotecttheirresidents.”Citiesaremajorsourcesofgreenhousegases.Andurbanpopulationsarelikelytobeamongthosemostseverelyaffectedbyfutureclimatechange.Lankao’sfindings3highlightwaysinwhichcity-residentsareparticularlyvulnerable,andsuggestpolicyinterventionsthatcouldofferimmediateandlonger-termbenefitsThelocationsanddenseconstructionpatternsofcitiesoftenplacetheirpopulationsatgreaterriskfornaturaldisasters.Potentialthreatsassociatedwithclimateincludestormsurgesandprolongedhotweather.Stormsurgescanfloodcoastalareasandprolongedhotweathercanheatheavilypavedcitiesmorethansurroundingareas.Theimpactsofsuchnaturaleventscanbemoreseriousinanurbanenvironment.Forexample,aprolongedheatwavecanincreaseexistinglevelsofairpollution,causingwidespreadhealthproblems.workofroads,areespeciallyvulnerabletonaturaldisasters.esstoreliabledrinkingwater,roadsandbasicservices.Localgovernments,therefore,shouldtakemeasurestoprotecttheirresidents.“Unfortunately,theytendtomovetowardsrhetoricratherthanmeaningfulresponses,”RomeroLankaowrites.“Theydon’timposeconstructionstandardsthatcouldreduceheatingandairconditioningneeds.Theydon’temphasizemasstransitandreduceautomobile,use.Infact,manylocalgovernmentsaretakingahands-offapproach.”Thus,sheurgesthemtochangetheiridlepoliciesandtotakestrongstepstopreventtheharmfuleffectsof’climatechangeoncities.FreeStatinsWithFastFoodCouldNeutralizeHeartRiskFastfoodoutletscouldprovidestatindrugsfreeofchargesothatcustomerscanreducetheheartdiseasedangersoffattyfood,researchersatImperialCollegeLondonsuggestinanewstudy.Statinsreducetheamountofunhealthy“LDL”cholesterolintheblood.Awealthoftrialdata4hasproventhemtobehighlyeffectiveatloweringaperson’sheartattackriskInapaperpublishedintheAmericanJournalofCardiology,DrDarrelFrancisandcolleaguescalculatethatthereductioninheartattackriskofferedbyastatinisenoughtooffsettheincreaseinheartattackriskfromeatingacheeseburgeranddrinkingamilkshake.DrFrancis,fromtheNationalHeartandLungInstituteatImperialCollegeLondon,whoistheseniorauthorofthestudy,said:“Statinsdon’tcutoutalloftheunhealthyeffectsofcheeseburgersandFrenchfries.It’sbettertoavoidfattyfoodaltogether.Butwe’veworkedoutthatintermsofyourpossibilityofhavingaheartattack,takingastatincanreduceyourrisktomoreorlessthesamedegreeasafastfoodmealincreasesit.”It’sironicthatpeoplearefreetotakeasmanyunhealthycondi 内容来自淘豆网www.taodocs.com转载请标明出处.
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  • 时间2014-03-27
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