2025年全國英語等級考試（PETS）四級試卷：閱讀理解與實戰(zhàn)訓練試題考試時間：______分鐘總分：______分姓名：______一、單項選擇哎呀，同學們，咱們今天來聊聊閱讀理解這個部分，還挺有意思的，對吧？這可是英語考試里頭挺重要的一塊兒，得好好把握。下面這20道題，都是單項選擇題，大家可得仔細看題干，再結(jié)合上下文好好想想。別急，慢慢來，咱們一個一個看。1.Researchershavelongbeenfascinatedbythephenomenonofanimalscommunicatingwitheachotheracrossvastdistances,oftenusingmethodsthatseemincrediblycomplexandsophisticated.Forinstance,somebirdsareknowntosingintricatesongsthatvarydependingontheirlocation,suggestingaformoflong-distancecommunication.Similarly,whalesproducelow-frequencysoundsthatcantravelhundredsofmilesunderwater,allowingthemtocommunicatewithotherwhalesevenwhenseparatedbygreatdistances.Theseexampleshaveledscientiststohypothesizethattheremaybeauniversalcodeorsetofsignalsthatanimalsusetocommunicateoverlongdistances.However,provingthistheoryhasbeenchallengingduetothedifficultyofinterpretinganimalcommunicationinawaythatisbothaccurateandmeaningful.Despitethesechallenges,thestudyofanimalcommunicationremainsafascinatingandimportantfieldofresearch,offeringinsightsintothecognitiveabilitiesandsocialstructuresofvariousspecies.Whatisthemainideaofthepassage?A.Researchershavediscoveredauniversalcodethatanimalsusetocommunicateoverlongdistances.B.Animalcommunicationiscomplexandsophisticated,butitisdifficulttointerpretaccurately.C.Thestudyofanimalcommunicationisimportantbecauseitprovidesinsightsintothecognitiveabilitiesandsocialstructuresofvariousspecies.D.Whalesuselow-frequencysoundstocommunicatewithotherwhalesovervastdistances.2.TheIndustrialRevolutionwasaperiodofmajorindustrializationandinnovationthatbeganinthelate18thcenturyandcontinuedintothe19thcentury.Itmarkedasignificantshiftfrommanuallabortomachine-basedproduction,andithadprofoundeffectsonsocioeconomicandculturalconditions.TheIndustrialRevolutionstartedinBritainandthenspreadtootherpartsofEuropeandNorthAmerica.Itwasdrivenbyacombinationoffactors,includingtheavailabilityofnewenergysourceslikecoalandsteam,theinventionofnewmachinery,andthegrowthoftradeandmarkets.TheimpactoftheIndustrialRevolutionwasfeltinmanyareas,includingagriculture,manufacturing,mining,andtransportation.Itledtotheriseoffactoriesandthegrowthofurbanareas,aspeoplemovedfromruralareastocitiesinsearchofwork.However,italsobroughtaboutmanysocialproblems,suchaspoorworkingconditions,childlabor,andpollution.Despitethesechallenges,theIndustrialRevolutionlaidthefoundationformodernindustrialsocietyandhadalastingimpactontheworld.Accordingtothepassage,whatwasoneofthefactorsthatdrovetheIndustrialRevolution?A.Theavailabilityofnewenergysourceslikecoalandsteam.B.Thegrowthoftradeandmarkets.C.Theinventionofnewmachinery.D.Alloftheabove.3.Climatechangeisasignificantandongoingshiftinglobalorregionalclimatepatterns,inparticularachangeinthestatisticaldistributionoftemperatureandotherweathervariables.Thetermmayalsobeusedtodescribespecificeventswithinthecontextofbroaderclimatechange,suchasunusuallyhotweather.Climatechangeiscausedbyavarietyoffactors,bothnaturalandhuman-made.NaturalfactorsincludevariationsinsolarradiationreceivedbyEarth,volcaniceruptions,andchangesintheEarth'sorbit.However,theoverwhelmingscientificconsensusisthattheprimarycauseofrecentclimatechangeishumanactivity,particularlytheburningoffossilfuels,whichreleaseslargeamountsofcarbondioxideandothergreenhousegasesintotheatmosphere.ThesegasestrapheatandcausetheEarth'stemperaturetorise,leadingtoarangeofenvironmentalandsocialconsequences.Whatisthemaincauseofrecentclimatechangeaccordingtothepassage?A.VariationsinsolarradiationreceivedbyEarth.B.Volcaniceruptions.C.Humanactivity,particularlytheburningoffossilfuels.D.ChangesintheEarth'sorbit.4.TheRenaissancewasaperiodofgreatculturalchangeandachievementthatbeganinthe14thcenturyandlasteduntilthe17thcentury.Itwasatimeofrenewedinterestinthearts,literature,andsciences,anditmarkedasignificantshiftfromthemedievalperiodtothemodernera.TheRenaissancestartedinItalyandthenspreadtootherpartsofEurope.Itwasinfluencedbyavarietyoffactors,includingtherediscoveryofancientGreekandRomantexts,theinventionoftheprintingpress,andthepatronageoftheartsbywealthyfamiliesandrulers.TheimpactoftheRenaissancewasfeltinmanyareas,includingpainting,sculpture,architecture,literature,andscience.Itledtothecreationofmanyfamousworksofart,suchasMichelangelo'sDavidandLeonardodaVinci'sMonaLisa.However,theRenaissancewasnotjustaperiodofartisticachievement;italsosawsignificantadvancementsinscienceandphilosophy.WhatwasoneofthefactorsthatinfluencedtheRenaissance?A.TherediscoveryofancientGreekandRomantexts.B.Theinventionoftheprintingpress.C.Thepatronageoftheartsbywealthyfamiliesandrulers.D.Alloftheabove.5.TheGreatBarrierReefistheworld'slargestcoralreefsystem,composedofover2,900individualreefsand900islandsstretchingforover2,300kilometersoveranareaofapproximately344,400squarekilometers.ThereefislocatedintheCoralSea,offthecoastofQueensland,Australia.Itistheworld'sbiggestsinglestructuremadebylivingorganisms,builtbybillionsoftinycoralpolypsoverthousandsofyears.TheGreatBarrierReefisknownforitsincrediblebiodiversity,supportingavastarrayofmarinelife,includingover1,500fishspecies,morethan411coralspecies,andnumerousbird,reptile,andmammalspecies.However,theGreatBarrierReefisfacingsignificantthreatsduetoclimatechange,pollution,andoverfishing.Thesethreatshaveledtoadeclineinthehealthofthereef,withmanycoralssufferingfrombleachingandotherdiseases.WhatisthemainthreattotheGreatBarrierReefaccordingtothepassage?A.Climatechange.B.Pollution.C.Overfishing.d.Alloftheabove.6.TheMonaLisaisoneofthemostfamouspaintingsintheworld,knownforitsmysterioussmileandthemasterfultechniqueusedbyLeonardodaVinci.Thepaintingwascreatedbetween1503and1506andiscurrentlyhousedintheLouvreMuseuminParis.TheMonaLisaisaportraitofLisaGherardini,aFlorentinewomanwhowasthewifeofawealthymerchant.Thepaintingisknownforitsuseofsfumato,atechniquethatinvolvesblendingcolorsandtonestocreateasmokyeffect.Thistechniquegivesthepaintingasenseofdepthandrealism,makingtheMonaLisacometolife.Thepainting'smysterioussmilehasfascinatedpeopleforcenturies,andtherearemanytheoriesaboutwhyitseemstochangewhenyoulookatitfromdifferentangles.WhatisthemaincharacteristicoftheMonaLisa?A.Itsmysterioussmile.B.ThemasterfultechniqueusedbyLeonardodaVinci.C.Theuseofsfumato.D.Alloftheabove.7.TheWrightbrothers,OrvilleandWilbur,weretwoAmericanaviationpioneerswhoaregenerallycreditedwithinventing,building,andflyingtheworld'sfirstsuccessfulairplane.Theymadethefirstcontrolled,sustainedflightofapowered,heavier-than-airaircraftonDecember17,1903,fourmilessouthofKittyHawk,NorthCarolina.TheWrightbrothers'achievementwastheculminationofyearsofexperimentationandinnovation.Theybegantheirworkinthelate1890s,studyingtheworkofpreviousaviationpioneersandexperimentingwithkitesandgliders.Theirbreakthroughcamewhentheydevelopedasystemofcontrolthatallowedthemtosteertheiraircraft.WhatwasthemainachievementoftheWrightbrothers?A.Theymadethefirstcontrolled,sustainedflightofapowered,heavier-than-airaircraft.B.Theydevelopedasystemofcontrolthatallowedthemtosteertheiraircraft.C.Theystudiedtheworkofpreviousaviationpioneers.D.Theyexperimentedwithkitesandgliders.8.Thehumanbrainisacomplexandfascinatingorganthatcontrolsallthefunctionsofthebody.Itisdividedintoseveraldifferentregions,eachwithitsownspecificfunctions.Thebrainisprotectedbytheskullandissurroundedbycerebrospinalfluid,whichcushionsitandhelpstoregulateitstemperature.Thebrainisdividedintothreemainparts:thecerebrum,thecerebellum,andthebrainstem.Thecerebrumisthelargestpartofthebrainandisresponsibleforhigherfunctionssuchasthought,memory,andlanguage.Thecerebellumisresponsibleforcoordinationandbalance,whilethebrainstemcontrolsbasiclifefunctionssuchasbreathingandheartrate.Whatisthemainfunctionofthecerebrum?A.Thought,memory,andlanguage.B.Coordinationandbalance.C.Breathingandheartrate.D.Protectingthebrainfrominjury.9.TheGreatWallofChinaisoneofthemosticoniclandmarksintheworld,knownforitsimmensesizeandhistoricalsignificance.Itisaseriesoffortificationsmadeofstone,brick,tampedearth,wood,andothermaterials,builtalongthenorthernbordersofChinatoprotectagainstinvasionsfromthenorth.TheGreatWallisoftencitedasoneofthelargestman-madestructureseverbuilt,withatotallengthofover21,000kilometers.Itwasconstructedoverseveralcenturies,withthemostfamoussectionsbeingbuiltduringtheMingDynasty(1368–1644).TheGreatWallisnotjustamilitarydefensesystem;italsoplayedanimportantroleintradeandtransportation.WhatisthemainpurposeoftheGreatWallofChina?A.Toprotectagainstinvasionsfromthenorth.B.Tofacilitatetradeandtransportation.C.Tobeaniconiclandmark.d.Alloftheabove.10.TheOlympicGamesareamajorinternationalmulti-sporteventheldeveryfouryears,featuringsummerandwintersports.TheOlympicGamesareconsideredtheworld'sforemostsportscompetitionwithmorethan200nationsparticipating.TheOlympicGamesaredividedintotwoperiods:theSummerOlympicsandtheWinterOlympics.TheSummerOlympicsfeatureawiderrangeofsportsandareheldeveryfouryears,whiletheWinterOlympicsfeaturefewersportsandarealsoheldeveryfouryears,butalternatewiththeSummerOlympics.TheOlympicGamesarenotjustacompetition;theyarealsoasymbolofinternationalunityandpeace.WhatisthemainpurposeoftheOlympicGames?A.Tohostawiderangeofsportscompetitions.B.Topromoteinternationalunityandpeace.C.Toholdcompetitionseveryfouryears.D.Tofeaturesummerandwintersports.11.TheUnitedNations(UN)isaninternationalorganizationfoundedin1945afterWorldWarIIwiththeaimofmaintaininginternationalpeaceandsecurity,developingfriendlyrelationsamongnations,achievinginternationalco-operation,andbeingacentreforharmonizingtheactionsofnations.TheUNhasseveralmainorgans,includingtheGeneralAssembly,theSecurityCouncil,theEconomicandSocialCouncil,theTrusteeshipCouncil,andtheInternationalCourtofJustice.TheUNalsohasvariousspecializedagencies,suchastheWorldHealthOrganization(WHO)andtheUnitedNationsChildren'sFund(UNICEF).TheUNplaysacrucialroleinaddressingglobalissuessuchaspoverty,climatechange,andhumanrights.WhatisthemainaimoftheUnitedNations?A.Tomaintaininternationalpeaceandsecurity.B.Todevelopfriendlyrelationsamongnations.C.Toachieveinternationalco-operation.D.Alloftheabove.12.TheInternetisaglobalsystemofinterconnectedcomputernetworksthatusetheInternetprotocolsuite(TCP/IP)tolinkdevicesworldwide.Itisanetworkofnetworksthatconsistsofprivate,public,academic,business,andgovernmentnetworksoflocaltoglobalscope,linkedbyabroadarrayofelectronic,wireless,andopticalnetworkingtechnologies.TheInternethasrevolutionizedthewaywecommunicate,work,andaccessinformation.Ithasenabledthecreationofnewformsofcommunication,suchasemail,socialmedia,andinstantmessaging,andhasmadeitpossibletoaccessvastamountsofinformationfromanywhereintheworld.WhatisthemainfunctionoftheInternet?A.Tolinkdevicesworldwide.B.Toenablethecreationofnewformsofcommunication.C.Toaccessvastamountsofinformation.D.Alloftheabove.13.TheMonaLisaisoneofthemostfamouspaintingsintheworld,knownforitsmysterioussmileandthemasterfultechniqueusedbyLeonardodaVinci.Thepaintingwascreatedbetween1503and1506andiscurrentlyhousedintheLouvreMuseuminParis.TheMonaLisaisaportraitofLisaGherardini,aFlorentinewomanwhowasthewifeofawealthymerchant.Thepaintingisknownforitsuseofsfumato,atechniquethatinvolvesblendingcolorsandtonestocreateasmokyeffect.Thistechniquegivesthepaintingasenseofdepthandrealism,makingtheMonaLisacometolife.Thepainting'smysterioussmilehasfascinatedpeopleforcenturies,andtherearemanytheoriesaboutwhyitseemstochangewhenyoulookatitfromdifferentangles.WhatisthemaincharacteristicoftheMonaLisa?A.Itsmysterioussmile.B.ThemasterfultechniqueusedbyLeonardodaVinci.C.Theuseofsfumato.D.Alloftheabove.14.TheWrightbrothers,OrvilleandWilbur,weretwoAmericanaviationpioneerswhoaregenerallycreditedwithinventing,building,andflyingtheworld'sfirstsuccessfulairplane.Theymadethefirstcontrolled,sustainedflightofapowered,heavier-than-airaircraftonDecember17,1903,fourmilessouthofKittyHawk,NorthCarolina.TheWrightbrothers'achievementwastheculminationofyearsofexperimentationandinnovation.Theybegantheirworkinthelate1890s,studyingtheworkofpreviousaviationpioneersandexperimentingwithkitesandgliders.Theirbreakthroughcamewhentheydevelopedasystemofcontrolthatallowedthemtosteertheiraircraft.WhatwasthemainachievementoftheWrightbrothers?A.Theymadethefirstcontrolled,sustainedflightofapowered,heavier-than-airaircraft.B.Theydevelopedasystemofcontrolthatallowedthemtosteertheiraircraft.C.Theystudiedtheworkofpreviousaviationpioneers.D.Theyexperimentedwithkitesandgliders.15.Thehumanbrainisacomplexandfascinatingorganthatcontrolsallthefunctionsofthebody.Itisdividedintoseveraldifferentregions,eachwithitsownspecificfunctions.Thebrainisprotectedbytheskullandissurroundedbycerebrospinalfluid,whichcushionsitandhelpstoregulateitstemperature.Thebrainisdividedintothreemainparts:thecerebrum,thecerebellum,andthebrainstem.Thecerebrumisthelargestpartofthebrainandisresponsibleforhigherfunctionssuchasthought,memory,andlanguage.Thecerebellumisresponsibleforcoordinationandbalance,whilethebrainstemcontrolsbasiclifefunctionssuchasbreathingandheartrate.Whatisthemainfunctionofthecerebrum?A.Thought,memory,andlanguage.B.Coordinationandbalance.C.Breathingandheartrate.D.Protectingthebrainfrominjury.16.TheGreatWallofChinaisoneofthemosticoniclandmarksintheworld,knownforitsimmensesizeandhistoricalsignificance.Itisaseriesoffortificationsmadeofstone,brick,tampedearth,wood,andothermaterials,builtalongthenorthernbordersofChinatoprotectagainstinvasionsfromthenorth.TheGreatWallisoftencitedasoneofthelargestman-madestructureseverbuilt,withatotallengthofover21,000kilometers.Itwasconstructedoverseveralcenturies,withthemostfamoussectionsbeingbuiltduringtheMingDynasty(1368–1644).TheGreatWallisnotjustamilitarydefensesystem;italsoplayedanimportantroleintradeandtransportation.WhatisthemainpurposeoftheGreatWallofChina?A.Toprotectagainstinvasionsfromthenorth.B.Tofacilitatetradeandtransportation.C.Tobeaniconiclandmark.d.Alloftheabove.17.TheOlympicGamesareamajorinternationalmulti-sporteventheldeveryfouryears,featuringsummerandwintersports.TheOlympicGamesareconsideredtheworld'sforemostsportscompetitionwithmorethan200nationsparticipating.TheOlympicGamesaredividedintotwoperiods:theSummerOlympicsandtheWinterOlympics.TheSummerOlympicsfeatureawiderrangeofsportsandareheldeveryfouryears,whiletheWinterOlympicsfeaturefewersportsandarealsoheldeveryfouryears,butalternatewiththeSummerOlympics.TheOlympicGamesarenotjustacompetition;theyarealsoasymbolofinternationalunityandpeace.WhatisthemainpurposeoftheOlympicGames?A.Tohostawiderangeofsportscompetitions.B.Topromoteinternationalunityandpeace.C.Toholdcompetitionseveryfouryears.D.Tofeaturesummerandwintersports.18.TheUnitedNations(UN)isaninternationalorganizationfoundedin1945afterWorldWarIIwiththeaimofmaintaininginternationalpeaceandsecurity,developingfriendlyrelationsamongnations,achievinginternationalco-operation,andbeingacentreforharmonizingtheactionsofnations.TheUNhasseveralmainorgans,includingtheGeneralAssembly,theSecurityCouncil,theEconomicandSocialCouncil,theTrusteeshipCouncil,andtheInternationalCourtofJustice.TheUNalsohasvariousspecializedagencies,suchastheWorldHealthOrganization(WHO)andtheUnitedNationsChildren'sFund(UNICEF).TheUNplaysacrucialroleinaddressingglobalissuessuchaspoverty,climatechange,andhumanrights.WhatisthemainaimoftheUnitedNations?A.Tomaintaininternationalpeaceandsecurity.B.Todevelopfriendlyrelationsamongnations.C.Toachieveinternationalco-operation.d.Alloftheabove.19.TheInternetisaglobalsystemofinterconnectedcomputernetworksthatusetheInternetprotocolsuite(TCP/IP)tolinkdevicesworldwide.Itisanetworkofnetworksthatconsistsofprivate,public,academic,business,andgovernmentnetworksoflocaltoglobalscope,linkedbyabroadarrayofelectronic,wireless,andopticalnetworkingtechnologies.TheInternethasrevolutionizedthewaywecommunicate,work,andaccessinformation.Ithasenabledthecreationofnewformsofcommunication,suchasemail,socialmedia,andinstantmessaging,andhasmadeitpossibletoaccessvastamountsofinformationfromanywhereintheworld.WhatisthemainfunctionoftheInternet?A.Tolinkdevicesworldwide.B.Toenablethecreationofnewformsofcommunication.C.Toaccessvastamountsofinformation.D.Alloftheabove.20.TheMonaLisaisoneofthemostfamouspaintingsintheworld,knownforitsmysterioussmileandthemasterfultechniqueusedbyLeonardodaVinci.Thepaintingwascreatedbetween1503and1506andiscurrentlyhousedintheLouvreMuseuminParis.TheMonaLisaisaportraitofLisaGherardini,aFlorentinewomanwhowasthewifeofawealthymerchant.Thepaintingisknownforitsuseofsfumato,atechniquethatinvolvesblendingcolorsandtonestocreateasmokyeffect.Thistechniquegivesthepaintingasenseofdepthandrealism,makingtheMonaLisacometolife.Thepainting'smysterioussmilehasfascinatedpeopleforcenturies,andtherearemanytheoriesaboutwhyitseemstochangewhenyoulookatitfromdifferentangles.WhatisthemaincharacteristicoftheMonaLisa?A.Itsmysterioussmile.B.ThemasterfultechniqueusedbyLeonardodaVinci.C.Theuseofsfumato.D.Alloftheabove.二、完形填空哎呦，接下來咱們來玩?zhèn)€完形填空的小游戲，怎么樣？這種題其實挺考驗咱們對文章整體把握能力的，得先通讀一遍，大概了解文章講了個啥，然后再逐句來分析，填哪個詞最合適。來，咱們開始吧。Thehumanbrainistrulyamarvelofnature,acomplexorganthatcontrolseveryfunctionofourbody.Itisdividedintoseveralmajorparts,eachwithitsownspecificroles.Thecerebrum,thelargestpartofthebrain,isresponsibleforhigherfunctionssuchasthought,memory,andlanguage.Itisdividedintotwohemispheres,theleftandtheright,eachcontrollingdifferentaspectsofourcognitiveabilities.Thelefthemisphereistypicallyassociatedwithlogicalreasoningandanalyticalskills,whiletherighthemisphereismoreinvolvedincreativityandspatialreasoning.Thecerebellum,ontheotherhand,issmallerbutequallyimportant.Itisresponsibleforcoordinationandbalance,ensuringthatourmovementsaresmoothandprecise.Thebrainstem,thesmallestpartofthebrain,controlsbasiclifefunctionssuchasbreathingandheartrate.Itactsasabridgebetweenthebrainandthespinalcord,relayingsignalsandmaintainingvitalfunctions.Despiteitssmallsize,thebrainstemplaysacrucialroleinkeepingusaliveandfunctioningproperly.1.Thehumanbrainis__________amarvelofnature,acomplexorganthatcontrolseveryfunctionofourbody.A.notonlyB.trulyC.sometimesD.rarely2.Itisdividedintoseveralmajorparts,eachwithitsown__________roles.A.differentB.similarC.importantD.unnecessary3.Thecerebrum,thelargestpartofthebrain,isresponsibleforhigherfunctionssuchasthought,__________,andlanguage.A.eatingB.memoryC.sleepingD.running4.Itisdividedintotwohemispheres,theleftandtheright,eachcontrolling__________aspectsofourcognitiveabilities.A.similarB.differentC.fewD.many5.Thelefthemisphereistypicallyassociatedwithlogicalreasoningand__________skills.A.creativeB.analyticalC.physicalD.emotional6.Therighthemisphereismoreinvolvedin__________andspatialreasoning.A.logicalreasoningB.analyticalskillsC.creativityD.physicalactivities7.Thecerebellum,ontheotherhand,issmallerbut__________important.A.lessB.moreC.equallyD.extremely8.Itisresponsibleforcoordinationandbalance,ensuringthatourmovementsare__________andprecise.A.roughB.smoothC.fastD.slow9.Thebrainstem,thesmallestpartofthebrain,controlsbasiclifefunctionssuchas__________andheartrate.A.thinkingB.breathingC.speakingD.seeing10.Itactsasabridgebetweenthebrainandthespinalcord,__________signalsandmaintainingvitalfunctions.A.sendingB.receivingC.blockingD.ignoring三、閱讀理解好嘞，同學們，咱們接著往下看，這一部分是閱讀理解，有五篇文章，每篇文章后面都跟著幾道選擇題，大家得仔細讀文章，然后再根據(jù)文章內(nèi)容來回答問題。讀的時候要注意細節(jié)，有時候答案就藏在不起眼的句子里面呢。來，咱們一起看看這幾篇文章。1.Theimpactofsocialmediaonteenagershasbeenatopicofmuchdebateinrecentyears.Proponentsarguethatsocialmediaplatformsprovideaspaceforself-expression,allowingteenagerstoconnectwithpeersandsharetheirthoughtsandexperiences.Theyalsopointoutthatsocialmediacanbeapowerfultoolforraisingawarenessaboutsocialissuesandorganizingcollectiveaction.However,criticsarguethatexcessiveuseofsocialmediacanhavenegativeeffectsonteenagers'mentalhealth,includingincreasedratesofanxiety,depression,andfeelingsofisolation.Theyalsoworrythatsocialmediacanexposeteenagerstocyberbullying,aformofbullyingthatoccursonline.Despitetheseconcerns,itisclearthatsocialmediaplaysasignificantroleinthelivesofteenagers,anditisimportantforthemtolearnhowtousetheseplatformsresponsibly.Whichofthefollowingisabenefitofsocialmediaforteenagers?A.Itcanleadtoincreasedratesofanxietyanddepression.B.Itprovidesaspaceforself-expressionandconnectingwithpeers.C.Itexposesteenagerstocyberbullying.D.Itencouragesasedentarylifestyle.2.Climatechangeisapressingglobalissuethatrequiresimmediateaction.Theincreasingconcentrationofgreenhousegasesintheatmosphere,primarilycarbondioxidereleasedfromburningfossilfuels,iscausingtheEarth'stemperaturetoriseatanalarmingrate.Thiswarmingtrendisleadingtoavarietyofenvironmentalconsequences,includingmorefrequentandsevereweatherevents,meltingglaciers,andrisingsealevels.Thesechangesposeasignificantthreattoecosystems,wildlife,andhumancommunitiesaroundtheworld.Tomitigatetheeffectsofclimatechange,itisessentialtoreducegreenhousegasemissions,transitiontorenewableenergysources,andadoptsustainablepracticesinareassuchasagriculture,deforestation,andurbanplanning.Whilethechallengemayseemdaunting,collectiveactionatalllevels—individual,community,andglobal—iscrucialforcreatingasustainablefuture.Whatistheprimarycauseofclimatechangeaccordingtothepassage?A.ThenaturalcycleoftheEarth'sorbit.B.Theincreasingconcentrationofgreenhousegasesintheatmosphere.C.Themeltingofglaciers.D.Theuseofrenewableenergysources.3.TheRenaissancewasaperiodofgreatculturalandintellectualchangeinEuropethatbeganinthe14thcenturyandlasteduntilthe17thcentury.Itmarkedasignificantshiftfromthemedievalperiodtothemodernera,characterizedbyarenewedinterestinthearts,literature,andsciences.TheRenaissancestartedinItalyandthenspreadtootherpartsofEurope,influencedbytherediscoveryofancientGreekandRomantexts,theinventionoftheprintingpress,andthepatronageoftheartsbywealthyfamiliesandrulers.Thisperiodsawthecreationofmanyfamousworksofart,suchasMichelangelo'sDavidandLeonardodaVinci'sMonaLisa,aswellassignificantadvancementsinscienceandphilosophy.TheRenaissancelaidthefoundationformodernWesternthoughtandcontinuestoinfluencecultureandsocietytoday.WhatwasoneofthefactorsthatcontributedtotheRenaissance?A.ThedeclineoftheByzantineEmpire.B.TherediscoveryofancientGreekandRomantexts.C.ThediscoveryoftheNewWorld.D.Theinventionofthetelegraph.4.TheGreatWallofChinaisoneofthemosticoniclandmarksintheworld,knownforitsimmensesizeandhis