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(理工B類)2023完形填空1-12篇含新增內(nèi)容及答案第一篇CaptainCookArrowLegend

庫(kù)克船長(zhǎng)箭傳說(shuō)Itwasagreatlegendwhileitlasted,butDNAtestinghas(1)finallyHYPERLINK"javascript:void(0)"endedat(yī)wo-century-oldstoryoftheHawaiianarrowcarvedfromtheboneofBritishexplorerCaptainJamesCook(2)whoHYPERLINK"javascript:void(0)"diedintheSandwichIslands’in1779.?“Thereis(3)noHYPERLINK"javascript:void(0)"CookintheAustralianMuseum,’’museumcollectionmanagerJudePhilipsaidnotlongagoinannouncingtheDNAevidencethat(yī)thearrowwasnotmadeofCook’Sbone.Butthatwillnotstopthemuseumfromcontinuingtodisplaythearrowinits(4)exhibitionHYPERLINK"javascript:void(0)",“Uncovered:TreasuresoftheAustralianMuseum,”which(5)doesHYPERLINK"javascript:void(0)"includeafeathercapepresentedtoCookbyHawaiianKingKalani’opu’uin1778.

CookwasoneofBritain’sgreat(yī)explorersandiscreditedwith(6)discoveringHYPERLINK"javascript:void(0)"the“GreatSouthLand,"(7)nowHYPERLINK"javascript:void(0)"Australia,in1770.HewasclubbedtodeathintheSandwichIslands,nowHawaii。The1egendofCook’sarrowbeganin1824(8)whenHYPERLINK"javascript:void(0)"HawaiianKingKamehamehaonhisdeathbedgavethearrowtoWilliamAdams,aLondonsurgeonandrelativeofCook’swife,sayingitwasmadeofCook’sboneafterthefat(yī)al(9)fightHYPERLINK"javascript:void(0)"withislanders.?Inthe1890sthearrowwasgiventotheAustralianMuseumandthelegendcontinued(10)untilHYPERLINK"javascript:void(0)"itcameface=to-facewithscience.

DNAtestingbylaboratoriesinAustraliaandNewZealandrevealedthearrowwasnotmadeofCook’sbonebutwasmore(11)likely

HYPERLINK"javascript:void(0)"madeofanimalbone。saidPhilp.

However,Cook’sfans(12)refuseHYPERLINK"javascript:void(0)"togiveuphopethatoneCooklegendwillprovetrueandthatpartofhisremainswillstillbeuncovered.astheysaythereisevidencenota11ofCook’sbodywas(13)buriedHYPERLINK"javascript:void(0)"atseain1779.“Onthisoccasiontechnologyhaswon",”saidCliffThornton,presidentoftheCaptainCookSociety,ina(14)stat(yī)ementHYPERLINK"javascript:void(0)"fromBritain.“ButIam(15)sure

that(yī)oneofthesedays…oneoftheCooklegendswillprovetobetrueanditwillhappenoneday.’’第二篇AvalancheandItsSafety雪崩和它的安全Anavalancheisasuddenandrapidflowofsnow,oftenmixedwithairandwat(yī)er,downamountainside.Avalanchesare(1)amongthebiggestdangersinthemountainsforbothlifeandproperty.Allavalanchesarecausedbyanover-burdenofmaterial,typicallysnowpack,thatistoomassiveandunstablefortheslope(2)that(yī)supportsit.Determiningthecriticalload,theamountofover-burdenwhichis(3)likelytocauseanavalanche,(4)isacomplextaskinvolvingtheevaluationofanumberoffactors.

Terrainslopesflatterthan25degreesorsteeperthan60degreestypicallyhavealow(5)riskofavalanche.Snowdoesnot(6)gathersignificantlyonsteepslopes;also,snowdoesnot(7)floweasilyonflatslopes.Human-triggeredavalancheshavethegreatestincidencewhenthesnow'sangleofrestis(8)between35and45degrees;thecriticalangle,theangleatwhichthehumanincidenceofavalanchesisgreatest,is38degrees.Theruleofthumbis:Aslopethatis(9)flatenoughtoholdsnowbutsteepenoughtoskihasthepotentialtogenerateanavalanche,regardlessoftheangle.Additionally,avalancheriskincreaseswith(10)use;thatis,themoreaslopeisdisturbedbyskiers,themorelikelyitisthatanavalanchewilloccur.

Duetothecomplexityofthesubject,wintertravellinginthebackcountryisnever100%safe.Goodavalanchesafetyisacontinuous(11)process,includingrouteselectionandexaminationofthesnowpack,weather(12)conditions,andhumanfactors.Severalwell-knowngoodhabitscanalso(13)reducetherisk.Iflocalauthoritiesissueavalancheriskreports,theyshouldbeconsideredandallwarningsshouldbepaid(14)attentionto.Neverfollowinthetracksofotherswithoutyourownevaluat(yī)ions;snowconditionsarealmostcertaintohavechangedsincetheyweremade.Observetheterrainandnoteobviousavalanchepathswhereplantsare(15)missingordamaged.Avoidtravelingbelowotherswhomighttriggeranavalanche.?★第三篇GermsonBanknotes紙幣上的病菌Peopleindifferentcountriesusedifferenttypesof(1)moneyyuaninChina,pesosinMexico,poundsintheUnitedKingdom,dollarsintheUnitedStates,AustraliaandNewZealand.Theymayuse(2)differentcurrencies,butthesecountries,andprobablyallcountries,stillhaveonethingincommon1:Germsonthebanknotes.Scientistshavebeenstudyingthegermsonmoneyforwellover2100years.Attheturnofthe20th(3)century,someresearchersbegantosuspectthatgermslivingonmoneycouldspreaddisease.Moststudiesofgermymoneyhavelookedatthegermsonthecurrency(4)withinonecountry.Inanewstudy,FrankVriesekoop3andotherresearcherscomparedthegermpopulationsfoundonbillsofdifferent(5)countries.Vriesekoop3isamicrobiologistattheUniversityofBallarat(yī)inAustralia4.Heledthestudy,whichcomparedthegermpopulationsfoundonmoney(6)gateredfrom10nat(yī)ions.Thescientistsstudied1,280banknotesintotal;allcamefromplaceswherepeoplebuyfood,likesupermarketsstreetvendorsandcafes,(7)Overall,theAustraliandollarshostedthefewestlivebacteria----nomorethan10persquarecentimeter.Chineseyuanhadthemost----about100persquarecentimeter.Mostofthegermsonmoneyprobablywouldnotcauseharm.What(yī)wecall“paper”moneyusuallyisn'tmadefrompaper.TheU.S.dollar,forexample,isprintedonfabricthatismostly(8)cotton.Differentcountriesmayusedifferent(9)materialstoprinttheirmoney.SomeofthecurrenciesstudiedbyVriesekoopandhis(10)teamsuchastheAmericandollarweremadefromcotton.Othersweremadefrompolymers.Thethree(11)currencieswiththelowestnumbersofbacteriawereallprintedonpolymers.TheyincludedtheAustraliandollar,theNewZealanddollarandsomeMexicanpesos.Theothercurrencieswereprintedonfabricmade(12)mostlyofcotton.Fewergermslivedonthepolymernotes.Thisconnectionsuggeststhat(13)germshaveahardertimestayingaliveonpolymersurfaces.Scientistsneedtodomorestudiestounderstandhowgermsliveonmoney-----andwhetherornotwenee(cuò)dtobeconcerned.Vnesekoopisnowstartingastudythatwill(14)comparetheamountsoftimebacteriacanstayaliveondifferenttypesofbills.WhateverVriesekoopfinds,thefactremains:PapermoneyharborsgermsWeshouldwashour(15)hands-----aftertouchingit;afterall5,youneverknowwhereyourmoney'sbeen.Orwhat'slivingonit第四篇Animal’s“SixthSense”動(dòng)物的"第六個(gè)感"AtsunamiwastriggeredbyanearthquakeintheIndianOceaninDecember,2023.ItkilledtensofthousandsofpeopleinAsiaandEastAfrica.Wildanimals,(1)however,seemtohaveescapedthat(yī)terribletsunami.ThisphenomenonaddsweighttonotionsthatItheypossessa“sixthsense”for(2)disasters,expertssaid.SriLankanwildlifeofficialshavesaidthegiantwavesthatkilledover24,000peoplealongtheIndianOceanisland’scoastclearly(3)missedwildbeasts,withnodeadanimalsfound.“Noelephantsaredead,not(4)evendeadrabbit.Ithinkanimalscan(5)sensedisaster.Theyhaveasixthsense.Theyknowwhenthingsarehappening.”H.D.Ratnayake,deputydirectorofSriLanka’sWildlifeDepartment,saidaboutonemonthafterthetsunamiat(yī)tack.The(6)waveswashedfloodwatersupto2milesinlandatYalaNat(yī)ionalParkintheravagedsoutheast,SriLanka’sbiggestwildlife(7)reserveandhometohundredsofwildelephantsandseveralleopards.“Therehasbeenalotof(8)apparentevidenceaboutdogsbarkingorbirdsmigratingbeforevolcaniceruptionsorearthquakes.Butithasnotbeenproven,”saidMat(yī)thewvanLieropananimalbehavior(9)specialistatJohannesburgZoo.“Therehavebee(cuò)nno(10)specificstudiesbecauseyoucan’treallytestitinalaborfieldsetting2,”hetoldReuters.Otherauthoritiesconcurredwiththis(11)assessment.“Wildlifeseemtobeabletopickupcertain(12)phenomenon,especiallybirds…therearemanyreportsofbirdsdetectingimpendingdisasters,”saidCliveWalker,whohaswrittenseveralbooksonA(yù)fricanwildlife.Animals(13)certainlyrelyontheknownsensessuchassmellorhearingtoavoiddangersuchaspredators.Thenotionofananimal“sixthsense”-or(14)someothermythicalpower-isanenduringone3whichtheevidenceonSriLanka’sravagedcoastislikelytoaddto.TheRomanssawowls(15)asomensofimpendingdisasterandmanyancientculturesviewedelephantsassacredanimalsendowedwithspecialpowersorattributes.第五篇SingingAlarmsCouldSavetheBlind警報(bào)器救盲人Ifyoucannotsee,youmaynotbeabletofindyourwayoutofaburningbuilding----andthatcouldbefatal.AcompanyinLeedscouldchangeallthat(1)withdirectionalsoundalarmscapableifguidingyoutotheexit.SoundAlert,acompany(2)runbytheUniversityofLeeds,isinstallingthealarmsinaresidentialhomefor(3)blindpeopleinSommersetandaresourcecentrefortheblindinCumbria.(4)Thealarmsproduceawiderangeoffrequenciesthatenablethebraintodeterminewherethe(5)soundiscomingfrom.DeborahWithingtonofSoundAlertsaysthatthealarmsusemostofthefrequenciesthatcanbe(6)heardbyhumans.“It’saburstofwhitenoise(7)thatpeoplesaysoundslikestaticontheradio,”shesays.“Itslife-savingpotentialisgreat.”Sheconductedanexperimentinwhichpeoplewerefilmedbythermal—imagingcamerastryingtofindtheirwayoutofalarge(8)smoke-filledroom.It(9)tookthemnearlyfourminutestofindthedoor(10)withoutasoundalarm,butonly15secondswithone.Withingtonstudieshowthebrain(11)processessoundsattheuniversity.Shesaysthatthe(12)sourceofawidebandoffrequenciescanbepinpointedmoreeasilythanthesourceofanarrowband.Alarms(13)basedonthesameconcepthavealreadybeeninstalledonemergencyvehicles.Thealarmswillalsoincluderisingorfallingfrequenciestoindicatewhetherpeopleshouldgoup(14)ordownstairs.Theywere(15)developedwiththeaidofalargegrantfromBritishNuclearFuels.第六篇CarThievescouldBeStoppedRemotely汽車小偷也許很遠(yuǎn)地被停止

Speedingoffinastolencar,thethiefthinkshehasgotagreatcatch.Butheisinanastysurprise.Thecarisfittedwitharemoteimmobilizerandaradiosignalfromacontrolcentermilesawaywillensurethatoncethethiefswitchestheengine(1)off,hewillnotbeabletostartitagain.?Fornow,suchdevices(2)areonlyavailableforfleetsoftrucksandspecialistvehiclesusedonconstructionsites.Butremoteimmobilizationtechnologycouldsoonstarttotrickledowntoordinarycars,and(3)shouldbeavailabletoordinarycarsintheUK(4)intwomonths.

Theideagoeslikethis.Acontrolboxfittedtothecarincorporates(5)aminiaturecellphone,amicroprocessorandmemory,andaGPSsatellitepositioningreceiver.(6)Ifthecarisstolen,acodedcellphonesignalwilltelltheunittoblockthevehicle’senginemanagementsystemandpreventtheengine(7)beingrestarted.?Thereareevenplansforimmobilizers(8)thatshutdownvehiclesonthemove,thoughtherearefearsoverthesafetyimplicationsofsuchasystem.?IntheUK.anarrayoftechnicalfixesisalreadymaking(9)lifeharderforcarthieves.“Thepatternofvehiclescrimehaschanged,”saysMartynRandallofThatcham,asecurityresearchorganizationbasedinBerkshirethatisfundedinpart(10)bythemotorinsuranceindustry.

Hesaysitwouldonlytakehimafewminutesto(11)teachanovicehowtostealacar,usingabareminimumoftools.Butonlyifthecarismorethan10yearsold.?Moderncarsareafartougherproposition,astheirenginemanagementcomputerwillnot(12)allowthemtostartunlesstheyreceiveauniqueIDcodebeamedoutbytheignitionkey.IntheUK,technologieslikethis(13)havehelpedachievea31percentdropinvehicle-relatedcrimesince1997.?Butdeterminedcriminalsarestillmanagingtofindotherwaystostealcars.Oftenbygettingholdoftheowner’skeysinaburglary.In2023,12percentofvehiclesstolenintheUKweretakenusingtheowner’skeysdoublethepreviousyear’sfigure.

Remote-controlledimmobilizationsystemwould(14)putamajornewobstacleinthecriminal’swaybymakingsuchtheftspointless.AgroupthatincludesThatcham,thepolice,insurancecompaniesandsecuritytechnologyfirmshavedevelopedstandardsforasystemthatcouldgoonthemarketsoonerthanthe(15)customerexpects.第七篇Anintelligentcar一輛聰明的汽車Drivingneedssharpeyes,kee(cuò)nears,quickbrain,andcoordinationbetwee(cuò)nhandsandthebrain.Manyhumandrivershaveall(1)theseandcancontrolafast-movingcar.Buthowdoesanintelligentcarcontrolitself?Thereisavirtualdriverinthesmartcar.Thisvirtualdriverhas“eyes,”“brains”,“hands”and“feet”,too.Themini-cameras(2)oneachsideofthecararehis“eyes,”whichobservetheroadandconditionsaheadofit.Theywatchthe(3)traffictothecar’sleftandright.Thereisalsoahighly(4)automaticdrivingsysteminthecar.Itisthebuilt-incomputer,whichisthevirtualdriver’s“brain.”His“brain”calculatesthespeedsof(5)othermovingcarsnearitandanalyzestheirpositions.Basingonthisinformat(yī)ion,itchoosestheright(6)pathfortheintelligentcars,andgives(7)instructionstothe“hands”and“feets”toactaccordingly.Inthisway,thevirtualdrivercontrolshiscar.Whatisthevirtualdriver’sbestadvantage?Hereacts(8)quickly.Themini-camerasare(9)sendingimagescontinuouslytothe“brain”.It(10)completestheprocessingoftheimageswithin100milliseconds.However,theworld’sbestdrier(11)atleastneedsonesecondtoreact.(12)Besides,whenhetakesaction,heneedsonemoresecond.Thevirtualdriverisreallywonderful.Hecanreducetheaccident(13)rateconsiderablyonexpressway.Inthiscase.Canwelethimhavethewheelatanytimeandinanyplace?Experts(14)warnthatwecannotdothatjustyet.Hisabilitytorecognizethingsisstill(15)limited.Hecannowonlydriveanintelligentcaronexpressways.第八篇ABiologicalClock一個(gè)生物時(shí)鐘Everylivingthinghaswhatscientistscallabiologicalclockthat(yī)controlsbehavior.Thebiologicalclocktells(1)humanswhentoformflowersandwhentheflowersshouldopen1.Ittells(2)insectswhentoleavetheprotectivecocoon繭andflyaway,andittellsanimalsandhumanbeingswhentoeat,sleepandwake.Eventsoutsidetheplantandanimal(3)affecttheactionsofsomebiologicalclocks.Scientistsrecentlyfound,forexample,thatatinyanimalchangesthecolorofitsfur(4)becausethenumberofhoursofdaylight.Intheshort(5)daysofwinter,itsfurbecomeswhite.Thefurbecomesgraybrownincolorinthelongerhoursofdaylightsummer.Innersignalscontrolotherbiologicalclocks.Germanscientistsfoundthatsomekindofinternalclockseemstoorderbirdstobegintheirlongmigration(6)flighttwiceeachyear.Birds(7)preventedfromflyingbecomerestlesswhenitistimeforthetrip,(8)buttheybecomecalmagainwhenthetimeoftheflighthasended.Scientistssaytheyarebeginningtolearnwhich(9)partsofthebraincontainbiologicalclocks.AnAmericanresearcher,MartinMoorhead,saidasmallgroupofcellsnearthefrontofthebrain(10)seemstocontrolthetimingofsomeofouractions.These(11)cellstellapersonwhento(12)awaken,whentosleepandwhentoseekfood.Scientistssaythereprobablyareotherbiologicalclockcellsthat(yī)controlotherbodyactivities.Dr.Moorheadisstudying(13)howourbiologicalclocksaffectthewaywedoourwork2.Forexample,mostofushavegreatdifficultyifwemustoftenchangetodifferentworkhours.(14)Itcantake3manydaysforahumanbodytoacceptthemajorchangeinworkhours.Dr.Moorheadsaidindustrialofficialsshouldhaveabetterunderstandingofbiologicalclocksandhowtheyaffectworkers.Hesaid(15)suchunderstandingcouldcutsicknessandaccidentsatworkandwouldhelpincreaseafactory’sproduction.第九篇WonderWebs驚奇網(wǎng)絡(luò)

Spiderwebsaremorethanhomes,andtheyareingenioustraps.Andtheworld’sbestwebspinnermaybetheGoldenOrbWeaverspider.ThefemaleOrbWeaverspinsaweboffibersthinenoughtobeinvisibletoinsectprey,yet(1)toughenoughtosnareaflyingbirdwithoutbreaking.?Thesecretoftheweb’sstrength?Atypeofsuper-resilient(2)silkcalleddragline.Whenthefemalespiderisreadyto(3)weavetheweb’sspokesandframe,sheusesherlegstodrawtheairythreadoutthroughahollownozzleinherbelly.Draglineisnotsticky,sothespidercanracebackandforthalong(4)ittospintheweb’strademarkspiral.恒星HYPERLINK""\t"_blank"英語(yǔ)論壇?Unlikesomespidersthatweaveanewwebeveryday,aGoldenOrbWeaver(5)reusesherhandiworkuntilitfallsapart,sometimesnotfortwoyears.ThesilkythreadisfivetimesstrongerthansteelbyweightandabsorbstheforceofanimpactthreetimesbetterthanKevlar,ahigh-strengthhuman-made(6)materialusedinbullet-proofvests.Andthankstoitshightensilestrength,ortheabilitytoresistbreakingunderthepullingforcecalledtension,asinglestrandcanstretchupto40percentlongerthanitsoriginal(7)lengthandsnapbackaswellasnew.Nohuman-madefiberevencomes(8)close.?Itisno(9)wondermanufacturersareclamoringforspidersilk.Intheconsumerpipeline:High-performancefabricsforathletesandstockingsthatneverrun.Thinkparachutecordsandsuspensionbridgecables.Asteady(10)supplyofspidersilkwouldbeworthbillionsofdollars–buthowtoproduceit?Harvestingsilkonspiderfarmsdoesnot(11)workbecausetheterritorialarthropodshaveatendencytodevourtheirneighbors.?Now,scientistsat(yī)thebiotechnologycompanyNexiaarespinningartificialsilkmodeledafterGoldenOrbdragline.The(12)firststep:extractsilk-makinggenesfromthespiders.Next,implantthegenesintogoat(yī)eggcells.Thenannygoatsthatgrowfromtheeggssecretedraglinesilkproteinsintheir(13)milk.“Theyounggoatspassonthesilk-makinggenewithout(14)anyhelpfromus,”saysNexiapresidentJeffreyTurner.Nexiaisstillperfectingthespinningprocess,buttheyhopeartificialspidersilkwillsoonbesnaggingcustomers(15)asfastastherealthingsnagsbugs.

第十篇ChickenSoupfortheSoul:ComfortFoodFightsLoneliness心靈雞湯:爽心食品排解孤獨(dú)感

Mashedpotatoes,macaroniandcheese,maybebadforyourarteries,(1)butaccordingtoastudyinPsychologicalScience,they’regoodforyourheartand(2)emotions.Thestudyfocuseson“comfortfood”andhowitmakespeoplefeel."Forme(3)personally,foodhasalwaysplayedabigroleinmyfamily,”saysJordanTroisi,agraduatestudentattheUniversityofBuffalo,andleadauthoronthestudy.Thestudycameoutoftheresearchprogramofhisco—authorShiraGabriel.Ithas(4)lookedatnon-humanthingsthatmayaffecthumanemotions.Somepeoplereducelonelinessbybondingwiththeir(5)favoriteTVshow,buildingvirtualrelationshipswithapopsongsingerorlookingatpicturesoflovedones.TroisiandGabrielwonderedifcomfortfoodcouldhavethesameeffect(6)bymakingpeoplethinkoftheirnearestanddearest.Inonee(cuò)xperiment,inordertomake(7)classfeellonely,theresearchershadthemwriteforsixminutesaboutafightwithsomeoneclosetothem.Othersweregivenanemotionallyneutralwritingassignment.Then,somepeopleineach(8)groupwroteabouttheexperienceofeatingacomfortfoodandotherswroteabouteatinganewfood.(9)finally,theresearchershadparticipants(10)completequestionsabouttheirlevelsofloneliness.Writingaboutafightwithaclosepersonmadepeoplefeellonely.Butpeoplewhoweregenerally(11)secureintheirrelationshipswouldfeellesslonelybywritingaboutacomfortfood."Wehavefoundthatcomfortfoodsareconsistentlyassociatedwiththoseclosetous."saysTroisi."Thinkingaboutorconsumingthesefoodslat(yī)erthenservesasareminderofthosecloseothers."In(12)theiressaysoncomfortfood,manypeoplewroteaboutthe(13)experienceofeatingfoodwithfamilyandfriends.Inanotherexperiment,(14)eat(yī)ingchickensoupinthelabmadepeoplethinkmoreaboutrelationships,butonlyiftheyconsideredchickensouptobeacomfortfood.Thiswasaquestiontheyhadbeenaskedlongbeforetheexperiment,alongwithmanyotherquestions,sotheywouldn’trememberit.Throughouteveryone’sdailylivestheyexperiencestress,oftenassociatedwithour(15)connnectionswithothers,"Troisisays."ComfortfoodCanbeaneasyremedyforloneliness.

★第十一篇Climat(yī)eChangePosesMajorRisksforUnpreparedCities氣候變化給不備城市帶來(lái)重大風(fēng)險(xiǎn)

Anewexaminat(yī)ionofurbanpolicieshasbeen

(1)carriedoutrecentlybyPatriciaRomeroL(fēng)ankao.Sheisasociologistspecializinginclimatechangeand

(2)

urban

development.Shewarnsthat

manyoftheworld’sfast-growingurbanareas,especiallyindevelopingcountries.willlikelysuffer

fromtheimpactsofchangingclimate.Herworkalsoconcludesthat(yī)mostcitiesarefailingto(3)reduceemissionsofcarbondioxideandothergreenhouse(4)gases.These

gasesareknown

toaffecttheatmosphere.”Climatechangeisadeeplylocalissueandposesprofoundthreat(yī)stothegrowingcitiesoftheworld,”saysRomeroLankao.”Buttoofewcitiesaredevelopingeffectivestrategiesto(5)protecttheirresidents."

Citiesare

(6)major

sourcesofgreenhousegases.Andurbanpopulationsarelikelytobeamongthosemostseverelyaffectedbyfutureclimatechange.Lankao’sfindings

highlightwaysinwhichcity-residentsareparticularlyvulnerable,andsuggestpolicyinterventionsthatcouldofferimmediateandlonger-term

(7)benefits

.

Thelocationsanddenseconstructionpatternsofcitiesoftenplacetheirpopulationsatgreaterriskfornaturaldisasters.Potential

(8)threats

associatedwithclimateincludestormsurgesand

prolongedhotweather.Stormsurgescanfloodcoastalareasandprolongedhotweathercanheat

(9)

heavily

pavedcitiesmorethansurroundingareas.Theimpactsofsuchnaturaleventscanbemoreseriousinanurbanenvironment.Forexample,aprolongedheatwavecanincreaseexisting

levelsofairpollution,causing

widespreadhealthproblems.Poorerneighborhoodsthat

may

(10)lack

basicfacilitiessuchasdrinkingwateroradependablenetworkofroads,areespeciallyvulnerabletonaturaldisasters.Manyresidentsinpoorercountriesliveinsubstandardhousing

(11)without

accesstoreliabledrinkingwater,roadsandbasicser

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