2025年英語四級(jí)閱讀理解長(zhǎng)難句解析：專項(xiàng)突破與沖刺模擬考試時(shí)間：______分鐘總分：______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.試卷答案PartI1.B2.E3.D4.C5.BPartII6.B7.A8.B9.B10.C11.B12.A13.A14.C15.B解析PartI1.答案：B解析：空前一句提到大腦很復(fù)雜，后句提到它容易受損，空句應(yīng)起到承上啟下的作用，引出易受損的原因，B選項(xiàng)“例如，頭部受到撞擊，即使看似輕微，也會(huì)導(dǎo)致腦震蕩，一種輕微的創(chuàng)傷性腦損傷（TBI）”用具體例子引出腦損傷類型，符合語境。2.答案：E解析：空前一句提到頭部損傷是常見的腦損傷類型，空句應(yīng)進(jìn)一步解釋頭部損傷如何導(dǎo)致腦損傷，E選項(xiàng)“特別是，創(chuàng)傷性腦損傷（TBI）是腦損傷的一個(gè)主要子集，它是由于外部力量造成的”解釋了頭部損傷與TBI的關(guān)系，符合語境。3.答案：D解析：空前一句提到中風(fēng)是腦損傷的另一個(gè)重要原因，空句應(yīng)進(jìn)一步解釋中風(fēng)的原因或機(jī)制，D選項(xiàng)“此外，了解腦損傷的基本機(jī)制可以導(dǎo)致開發(fā)新的診斷工具和療法”解釋了中風(fēng)的研究意義，符合語境。4.答案：C解析：空前一句提到腦損傷除了身體損傷外，還有心理和情感影響，空句應(yīng)進(jìn)一步說明這種影響的具體表現(xiàn)，C選項(xiàng)“此外，腦損傷的后果因損傷的嚴(yán)重程度和位置而異”說明了心理情感影響的多樣性，符合語境。5.答案：B解析：空前一句提到預(yù)防腦損傷需要多方面方法，空句應(yīng)給出具體的預(yù)防措施，B選項(xiàng)“例如，在體育活動(dòng)中佩戴頭盔，開車時(shí)使用安全帶，以及保持健康的生活方式都可以幫助降低風(fēng)險(xiǎn)”給出了具體的預(yù)防措施，符合語境。PartII6.答案：B解析：題干問的是文中提到的人工智能的最顯著潛在好處是什么。根據(jù)文章第1段第2句“（人工智能）的一個(gè)最顯著的潛在好處是它能夠自動(dòng)化重復(fù)和危險(xiǎn)的任務(wù)?！笨芍?，人工智能最顯著的潛在好處是它可以自動(dòng)化重復(fù)和危險(xiǎn)的任務(wù)。所以選B。7.答案：A解析：題干問的是根據(jù)文章，人工智能可能創(chuàng)造什么樣的工作？根據(jù)文章第1段第3句