2025年英语四级阅读理解长难句解析：专项突破与冲刺模拟

2025年英语四级阅读理解长难句解析：专项突破与冲刺模拟考试时间：______分钟总分：______分姓名：______PartIReadingComprehensionDirections:Inthissection,therearepassage(s)withsomesentencesorparagraphsmissing.Readthepassage(s)carefullyandchoosethebestfitforeachoftheblanksfromthefouroptionsgiveninthepassage(s).MarkthecorrespondingletteronAnswerSheet2withasinglelinethroughthecenter.PassageThehumanbrainisacomplexorgan,responsibleforcontrollingvirtuallyeveryfunctionofthebody.(1)______itisincrediblypowerful,itisalsohighlysusceptibletodamage.Whilesomebraininjuriesarecausedbyexternalfactorslikeaccidentsorfalls,otherscanstemfrominternalissuessuchasstrokeortumor.Understandingthecausesandconsequencesofbraininjuriesiscrucialfordevelopingeffectivepreventionandtreatmentstrategies.Headinjuriesareamongthemostcommontypesofbraininjuries.(2)______ablowtothehead,evenaseeminglymildone,canresultinaconcussion,amildformoftraumaticbraininjury(TBI).Concussionscancausearangeofsymptoms,includingheadache,dizziness,confusion,andmemoryproblems.Whilemostpeoplerecoverfullyfromconcussions,repeatedorsevereheadinjuriescanleadtomoreseriouscomplications,suchaschronictraumaticencephalopathy(CTE).Anothersignificantcauseofbraininjuryisstroke.(3)______occurswhenthebloodsupplytoapartofthebrainisinterruptedorreduced,preventingbraintissuefromreceivingoxygenandnutrients.Braincellsbegintodiewithinminutes,whichcanresultinpermanentbraindamage,disability,orevendeath.Therearetwomaintypesofstroke:ischemicandhemorrhagic.Ischemicstrokesarecausedbyblockagesinthebloodvessels,whilehemorrhagicstrokesresultfromrupturedbloodvessels.Beyondphysicalinjuries,braininjuriescanalsohaveprofoundpsychologicalandemotionalimpacts.(4)______individualsmayexperiencechangesinmood,behavior,andcognitivefunction.Depression,anxiety,andpost-traumaticstressdisorder(PTSD)arecommonpsychologicaleffectsofbraininjury.Theseconditionscansignificantlyaffectaperson'squalityoflifeandrequirecomprehensivesupportandtreatment.Preventingbraininjuriesrequiresamultifacetedapproach.(5)______wearinghelmetsduringsportsactivities,usingseatbeltswhiledriving,andmaintainingahealthylifestylecanallhelpreducetherisk.Additionally,raisingawarenessaboutthesignsandsymptomsofbraininjuriesisessentialforensuringtimelymedicalintervention.OptionsA.However,despitetheseadvancements,braininjuriesremainasignificantpublichealthconcern.B.Forexample,propernutrition,regularexercise,andavoidingsmokingcancontributetooverallbrainhealth.C.Moreover,theconsequencesofbraininjuriescanvarywidelydependingontheseverityandlocationofthedamage.D.Furthermore,understandingtheunderlyingmechanismsofbraininjuriescanleadtothedevelopmentofnewdiagnostictoolsandtherapies.E.Inparticular,traumaticbraininjuries(TBI)areamajorsubsetofbraininjuriesthatresultfromexternalforces.F.Firstly,itisimportanttorecognizethedifferenttypesofbraininjuriesandtheirpotentialcauses.G.Secondly,earlydetectionandinterventionarecriticalforminimizingthelong-termeffectsofbraininjuries.H.Lastly,ongoingresearchintobraininjuriescontinuestoimproveourunderstandingofthesecomplexconditions.PartIIReadingComprehensionDirections:Thereare2passagesinthissection.Eachpassageisfollowedbysomequestionsorunfinishedstatements.ForeachofthemtherearefourchoicesmarkedA),B),C)andD).YoushoulddecideonthebestchoiceandmarkthecorrespondingletteronAnswerSheet2withasinglelinethroughthecenter.PassageOneTherapidadvancementofartificialintelligence(AI)hassparkedaglobaldebateaboutitsimpactonthefutureofwork.ProponentsarguethatAIwillcreatenewjobopportunitiesandincreaseproductivity,whilecriticswarnofwidespreadjobdisplacementandincreasedinequality.UnderstandingthepotentialconsequencesofAIontheworkforceisessentialforpolicymakersandindividualsalike.OneofthemostsignificantpotentialbenefitsofAIisitsabilitytoautomaterepetitiveanddangeroustasks.(6)______thiscanleadtoincreasedefficiencyandsafetyinvariousindustries,italsoraisesconcernsaboutthefutureofjobsthatrelyheavilyonmanuallabor.Forexample,AI-poweredrobotsareincreasinglybeingusedinmanufacturingandlogistics,whichcoulddisplacealargenumberofworkersinthesesectors.However,AIisalsoexpectedtocreatenewjobopportunitiesinfieldssuchasdatascience,AIdevelopment,androboticsengineering.(7)______thesejobsrequireadvancedtechnicalskills,theyalsoofferhighsalariesandpromisingcareerprospects.AsAIcontinuestoevolve,thedemandforskilledprofessionalstodevelop,maintain,andmanageAIsystemsislikelytogrow.AnotherimportantconsiderationistheimpactofAIonwagesandincomeinequality.(8)______AIcanincreaseproductivityandcreatenewwealth,itmayalsoleadtoawideninggapbetweenhigh-skilledandlow-skilledworkers.ThosewiththenecessaryskillstoworkwithAImayseetheirwagesrise,whilethosewhosejobsaredisplacedmayfacewagestagnationorunemployment.TomitigatethenegativeimpactsofAIontheworkforce,governmentsandbusinessesneedtotakeproactivemeasures.(9)______investingineducationandtrainingprogramstohelpworkersadapttothechangingjobmarket,theycanalsoexplorepoliciesthatsupportjobtransitionsandprovidesocialsafetynetsforthosedisplacedbyAI.Ultimately,thefutureofworkintheageofAIwilldependonhowwellwecanadapttothesetechnologicalchanges.(10)______weinvestinhumancapital,fosterinnovation,andensurethatthebenefitsofAIaresharedequitably,wecancreateafuturewhereAIenhanceshumanpotentialratherthanreplacingit.Questions6.WhatisoneofthemostsignificantpotentialbenefitsofAImentionedinthepassage?A)Itcanreducethecostofproductioninvariousindustries.B)Itcanautomaterepetitiveanddangeroustasks.C)Itcancreatenewjobopportunitiesinfieldssuchasdatascience.D)Itcanimprovethequalityoflifeforpeopleindevelopingcountries.7.Accordingtothepassage,whatkindofjobsarelikelytobecreatedbyAI?A)Jobsthatrequireadvancedtechnicalskills.B)Jobsthatinvolvemanuallabor.C)Jobsthatarerepetitiveanddangerous.D)Jobsthatareprimarilybasedoncreativityandinnovation.8.WhatisapotentialconcernregardingtheimpactofAIonwagesandincomeinequality?A)AImayleadtoareductionintheoverallnumberofjobsavailable.B)AImayresultinawideninggapbetweenhigh-skilledandlow-skilledworkers.C)AImaycausewagestostagnateforallworkers.D)AImayleadtoasignificantincreaseintheminimumwage.9.WhatproactivemeasuresshouldgovernmentsandbusinessestaketomitigatethenegativeimpactsofAIontheworkforce?A)ImplementpoliciesthatrestricttheuseofAIincertainindustries.B)Investineducationandtrainingprogramsandexplorepoliciesthatsupportjobtransitions.C)Encourageworkerstopursuehighereducationandacquiremoreskills.D)Providefinancialincentivesforbusinessestohiremoreworkers.10.WhatwilldeterminethefutureofworkintheageofAI?A)TherateatwhichAItechnologydevelops.B)TheabilityofgovernmentstoregulateAIandprotectworkers'rights.C)Theextenttowhichweinvestinhumancapital,fosterinnovation,andensureequitablesharingofAIbenefits.D)ThewillingnessofbusinessestoadoptAIandautomatetheiroperations.PassageTwoTheriseofsocialmediahasfundamentallychangedthewaywecommunicate,shareinformation,andinteractwithoneanother.Whilesocialmediahasbroughtnumerousbenefits,suchasincreasedconnectivityandaccesstoinformation,ithasalsoraisedconcernsaboutitsimpactonmentalhealth,privacy,andsocialcohesion.Examiningtheseimpactsiscrucialforunderstandingtherolethatsocialmediashouldplayinourlives.Oneofthemostsignificantimpactsofsocialmediaisitseffectonmentalhealth.(11)______excessiveuseofsocialmediahasbeenlinkedtoincreasedfeelingsofloneliness,anxiety,anddepression.Theconstantcomparisontoothersonsocialmediacanleadtofeelingsofinadequacyandlowself-esteem.Additionally,thepressuretopresentaperfectimageonlinecancontributetostressandanxiety,particularlyamongyoungerusers.Anotherconcernistheissueofprivacy.(12)______socialmediaplatformscollectvastamountsofpersonaldata,usersoftenlackawarenessofhowthisinformationisusedandshared.Thisdatacanbeexploitedbyadvertisers,marketers,andevenmaliciousactors,leadingtotargetedadvertising,databreaches,andotherprivacyviolations.Thelackoftransparencyandcontroloverpersonaldataonsocialmediaplatformsraisesseriousethicalconcerns.Furthermore,socialmediahasthepotentialtounderminesocialcohesionandpolarizesociety.(13)______socialmediaplatformsfacilitatetherapidspreadofinformation,theyalsoenablethedisseminationofmisinformationandhatespeech.Theseharmfulcontentscancreateechochambersandreinforceexistingbiases,leadingtoincreasedpolarizationandsocialdivision.Theabilityofsocialmediatoamplifydivisivevoicescanhavedetrimentaleffectsondemocraticdiscourseandsocialharmony.Despitethesechallenges,socialmediaalsooffersnumerousbenefitsthatshouldnotbeoverlooked.(14)______itallowspeopletoconnectwithfriendsandfamilyregardlessofgeographicaldistance,italsoprovidesaplatformforsocialactivism,communitybuilding,andinformationsharing.Socialmediahasplayedasignificantroleinraisingawarenessaboutsocialissues,mobilizingsupportforcauses,andfacilitatingsocialchange.Tomitigatethenegativeimpactsofsocialmedia,itisessentialtopromotedigitalliteracyandresponsiblesocialmediause.(15)______teachingusershowtocriticallyevaluateinformationonlineandhowtoprotecttheirprivacy,wecancreateahealthierandmoresustainablesocialmediaenvironment.Additionally,socialmediaplatformsneedtotakegreaterresponsibilityformoderatingcontentandprotectingusersfromharmfulinfluences.Questions11.Whatisoneofthemostsignificantimpactsofsocialmediamentionedinthepassage?A)Ithasimprovedthequalityofcommunicationbetweenpeople.B)Ithasledtoincreasedfeelingsofloneliness,anxiety,anddepression.C)Ithasprovidedaplatformforsocialactivismandcommunitybuilding.D)Ithasmadeiteasierforpeopletoaccessinformation.12.Whatisaconcernregardingtheissueofprivacyonsocialmediaplatforms?A)Usersarenotawareofhowtheirpersonaldataisusedandshared.B)Socialmediaplatformsarenotmakingenoughmoneyfromadvertising.C)Socialmediaplatformsarenotuser-friendlyforolderpeople.D)Socialmediaplatformsarenotaccessibleinsomedevelopingcountries.13.Howcansocialmediaunderminesocialcohesionandpolarizesociety?A)Itcanfacilitatetherapidspreadofmisinformationandhatespeech.B)Itcanhelppeopleconnectwithfriendsandfamilyregardlessofgeographicaldistance.C)Itcanprovideaplatformforsocialactivismandcommunitybuilding.D)Itcanimprovethequalityofcommunicationbetweenpeople.14.Whataresomeofthebenefitsofsocialmediamentionedinthepassage?A)Ithasimprovedthequalityofcommunicationbetweenpeople.B)Ithasledtoincreasedfeelingsofloneliness,anxiety,anddepression.C)Ithasprovidedaplatformforsocialactivism,communitybuilding,andinformationsharing.D)Ithasmadeiteasierforpeopletoaccessinformation.15.Whatisessentialtomitigatethenegativeimpactsofsocialmedia?A)Socialmediaplatformsneedtotakegreaterresponsibilityformoderatingcontent.B)Teachingusershowtocriticallyevaluateinformationonlineandhowtoprotecttheirprivacy.C)Socialmediaplatformsshouldbebannedinsomecountries.D)Usersshouldbeencouragedtousesocialmedialessoften.试卷答案PartI1.B2.E3.D4.C5.BPartII6.B7.A8.B9.B10.C11.B12.A13.A14.C15.B解析PartI1.答案：B解析：空前一句提到大脑很复杂，后句提到它容易受损，空句应起到承上启下的作用，引出易受损的原因，B选项“例如，头部受到撞击，即使看似轻微，也会导致脑震荡，一种轻微的创伤性脑损伤（TBI）”用具体例子引出脑损伤类型，符合语境。2.答案：E解析：空前一句提到头部损伤是常见的脑损伤类型，空句应进一步解释头部损伤如何导致脑损伤，E选项“特别是，创伤性脑损伤（TBI）是脑损伤的一个主要子集，它是由于外部力量造成的”解释了头部损伤与TBI的关系，符合语境。3.答案：D解析：空前一句提到中风是脑损伤的另一个重要原因，空句应进一步解释中风的原因或机制，D选项“此外，了解脑损伤的基本机制可以导致开发新的诊断工具和疗法”解释了中风的研究意义，符合语境。4.答案：C解析：空前一句提到脑损伤除了身体损伤外，还有心理和情感影响，空句应进一步说明这种影响的具体表现，C选项“此外，脑损伤的后果因损伤的严重程度和位置而异”说明了心理情感影响的多样性，符合语境。5.答案：B解析：空前一句提到预防脑损伤需要多方面方法，空句应给出具体的预防措施，B选项“例如，在体育活动中佩戴头盔，开车时使用安全带，以及保持健康的生活方式都可以帮助降低风险”给出了具体的预防措施，符合语境。PartII6.答案：B解析：题干问的是文中提到的人工智能的最显著潜在好处是什么。根据文章第1段第2句“（人工智能）的一个最显著的潜在好处是它能够自动化重复和危险的任务。”可知，人工智能最显著的潜在好处是它可以自动化重复和危险的任务。所以选B。7.答案：A解析：题干问的是根据文章，人工智能可能创造什么样的工作？根据文章第1段第3句