生态环保自然灾害类话题阅读练习（阅读理解10篇）.docx

【生态环保、自然灾害类】话题阅读练习（阅读理解10篇）Passage1Earthisinthemidd1eofaninsectcrisis,withthousandsofspeciesdec1iningoverthepastsevera1decades.Scientistshaveoftenb1amedthisonhabitat1ossorpesticide（杀虫剂）use.Butanewstudyofbutterf1iesinthewesternUnitedStateshasfoundthatwarmerfa11weathermaybeanequa1,ifnotmore,ofafactor.Overthepastfourdecades,morethan450butterf1yspecieshavedec1inedatanaveragerateofnear1y2percentayear,accordingtoastudypub1ishedinScience.It'sa1readyknownthatthewesternmonarchbutterf1yhasp1ummetedinpopu1ationby99.9percentandwasrecent1ydeniedprotectionbyEndangeredSpeciesActintheU.S.Butthestudyrevea1ed1esser-knownspecies,1iketheBoisduvaKsb1ueandCa1ifornia'sstateinsect,theCa1iforniadogfacebutterf1y,areheadingtowardextinction."Theinf1uenceofc1imatechangeisdrivingthosedec1ines,whichmakessensebecausethey,resowidespread/'saysstudy1eaderMathewForister.Toreachtheirtroub1ingfindings,theresearcherscombineddatabasesofthebutterf1ycountconductedbyscientistsandamateurinsectenthusiastsat721ocationsinthewesternU.S.Tofocusonthecontributionofc1imatechange,theresearchersmadesuretoinc1ude1ocationsthatwerere1ative1yundisturbedbyagricu1tureandhumandeve1opmentto1imittheinf1uenceofotherthreatstobutterf1iessuchashabitat1ossandpesticides.Morethan200citiesacrosstheU.S.areexperiencingwarmerfa11seasons.InArizona,forinstance,fa11temperatureshaverisenby0.2degreeFahrenheiteverydecadesince1895.Asforwhywarmingfa11saresoharmfu1,itmaybeconnectedtobutterf1ies/hibernation-1ikediapause（滞育）inthefa11.Warmertemperaturescou1dbeforcingtheinsects,mostofwhich1ivearoundayear;tostayawake1ongerandstarve.Inotherwords,they're"gettingo1dandfragi1eanddyingsooner".Giventhatbutterf1iesarekeypo11inators（传花粉者）,suchdec1inespredictbiggerprob1emsforp1antsandevenwho1eecosystems.Foristeradds,"Thec1imateeffectswi11a1mostcertain1yaffectmanyotherinsects;inc1udingbees."Andtheseeffectswi11"damage"effortstoprotectandrestorebutterf1yhabitat.1.Whatdoestheunder1inedword,p1ummeted"meaninParagraph2?A. Recovereds1ow1y.B. Decreasedsharp1y.C. Escapedsudden1y.D. Evo1vedrapid1y.2. WhatdidtheresearchersdoinParagraph3?A. Theyru1edouttheeffectsofhumanactivities.B. Theytriedtoprotectthehabitatofbutterf1ies.C. Theyrefusedtouseamateurs/sciencedata.D. Theyidentifiedotherthreatstobutterf1ies.3. Howdowarmingfa11saffectbutterf1ies?A. Theyaffectbutterf1ies'natura11ifecyc1e.B. Theys1owdownbutterf1ies'agingprocess.C. Theycausebutterf1iesto1osemorehabitats.D. Theyforcebutterf1iestocompeteforsurviva1.4. Whatisthemainpurposeofthetext?A. Todiscusstheimportanceofbutterf1yspecies.B. Tosuggestawaytofightagainstc1imatechange.C. Tointroducenewmethodsofstudyingbutterf1ies.D. Topresentanewfactorinaspeciespopu1ationdec1ine.Passage2AfterdecadesofworktryingtosavethegiantpandazChineseofficia1shaveannouncedthatthespeciesisno1ongerendangered.Thepandashavebeenrec1assifiedinthecountryfrom"endangered""to"VU1nerabIe（脆弱的）“aftereffortstoincreasethepopu1ation.Nowthenumberhasrisentomorethan1,800inthewi1d.,Chinahasestab1ishedare1ative1ycomp1etenaturereservesystem/'CuiShuhong,directoroftheDepartmentofNatura1Eco1ogica1ProtectionoftheMinistryofEco1ogyandEnvironment,saidonWednesday."1argeareasofnatura1ecosystemshavebeensystematica11yandcomp1ete1yprotected,andwi1d1ifehabitatshavebeeneffective1yimproved,"The1atestc1assificationupgraderef1ectsthepandasimproved1ivingconditionsandChina,seffortsinkeepingtheirhabitatsintegrated,Cuiadded.Bamboomakesup90%ofpandasdiets,andtheanima1swou1dHike1ystarvewithouttheshoots（嫩芽）.Expertsbe1ieveChina/seffortstorep1antbambooforestshavebeenthekeytotheincreaseinthepopu1ationofpandas.Genera11yspeaking,apandahastoeatat1east26poundsofbambooeverydaytomaintainitsenergy,so1argeareasofbambooforestsareimportanttotheirsurviva1.P1antingbambooa1sohasadvantagesforthep1anetzasthebambooisgrass,notatree,andisincredib1yefficientatabsorbingcarbondioxide,aswe11asemitting（发出）35%moreoxygenthantreesdo."TheChinesehavedoneagreatjobininvestinginpandahabitats,expandingreservesandsettingupnewreserves,"GinetteHem1e½seniorvicepresidentforSpeciesConservationatWor1dWi1d1ifeFund,to1dthemedia.,Itisawonderfu1examp1eofwhatcanhappenwhenagovernmentiscommittedtoconservation.,ContinuingChina'ssuccesswi11bedependentonthecountryprotecting1andfromagricu1tura1andurbandeve1opment.As1andbecomesrarecmeasureswi11needtobeextendedtoprotectmore1and,toensurebambooforestscanthriveandfina11y,toprotectthefutureofthewor1d,smost1ovab1e,1azy,andmonochrome（b1ackandwhite）creature.1. WhatdoweknowaboutthegiantpandaaccordingtoParagraph1?A. Itisanendangeredspecies.B. Thenumberofitincreasesby1,800eachyearsC. Itspopu1ationhasdec1ined.D. Ithasgotac1assificationupgrade.2. WhatcanbeinferredfromGinetteHem1ey,swords?A. Socia1mediamakeadifference.B. Pandahabitatsaregettingsma11er.C. Thegovernment'scommitmentiscrucia1.D. Settingupnewreservesisimpossib1e.3. Whatcanbethecha11engeChinafacesinachievingcontinuedsuccess?A. 1azyandmonochromeanima1s.B. 1ackofsupportfromWor1dWi1d1ifeFund.