2023名校版高考英語閱讀理解精讀附答案

2023名校版高考英語閱讀理解精讀附答案Alargebodyofevidenceshowsthatexercisestrengthensourbrains.Instudies,activepeoplegenerallyhavemoregraymatter.Graymatterismadeupofthebrain’sessential,workingneurons(神經(jīng)元).Fitpeoplealsotendtohavehealthierwhitematter,whichsupportsandconnectsneurons.Partlyasaconsequenceofthese,exerciseisstronglylinkedwithlowerrisksofdementia(癡呆)andothermemoryproblemswithage.Butexercisemayincreaseexposuretoairpollutionandpreviousstudieshaveshowntheoppositeeffectsofairpollutiononthebrain.So,whathappensthen?Someresearcherslookedatthousandsofmiddle-agedadultsfromtheUKBio-bank.Theresearcherscharacterizedtheirphysicalactivitypatternsdependingontheamountofphysicalactivitycollectedfromthedevicesresearchersaskedthemtowear.Theythenevaluatedairpollutionlevelswherethepeoplelived,askedtheparticipantstocompletebrainscans,andfinally,comparedthem.Researchersfoundthatexercisewaslinkedtoexcellentbrainhealthforpeopleinareaswithlittleairpollution.Butthebeneficialassociationsalmostdisappearedforexerciserslivinginareaswithevenmoderate(中度的)airpollution.Theyhadlessgraymatterandmoreunhealthywhitematterthanpeoplelivingandexercisingawayfrompollution,eveniftheirworkoutsweresimilar.Extendingthesefindingsinafollow-upstudy,thesamescientistsfoundthatthemorepeopleexercised,thelesslikelytheyweretodevelopdementiaovertime—providedtheirlocalairwasclear.Whenitwasmoderatelypolluted,though,theyhadanincreasedlong-termriskofdementia,whethertheyexercisedornot.Thesestudiesincreasetheurgencyfordevelopingmore-effectiveregulationsrelatedtoairquality.Publicpolicycouldbeusedtoaddresspeople’sexposuretoairpollutionduringexercise.Forexample,sinceagreatamountofairpollutioncomesfromtraffic,promotingrunningorbicyclingalongpathsfarfromheavytrafficmaybemorebeneficial.12Whatdoestheauthorintendtotellusinthefirstparagraph?A.Thereasonsbehinddementia.B.Thebenefitsofworkoutsonbrains.CTheworkingprocessofourbrains.D.Theexercisesuitableforpeoplewithdementia.13.Whydidtheresearchersasktheparticipantstowearthedevices?A.Torecordtheirdailyroutine.B.Tomonitorthelocalairquality.C.Tohelpknowtheirexercisepatterns.D.Towarnthemofhealthyproblems.14.Whatcanwelearnfromthestudies?A.Memoryproblemsshouldbecured.B.Thestructureofthebrainiscomplicated.C.Peoplefacemanyriskfactorsfordementia.D.Morerulesagainstairpollutionshouldbemadequickly.15.Whatcanbeasuitabletitleforthetext?A.Airqualityhastobeimprovedurgently.B.Mostpeopledoexerciseinawrongway.C.Airpollutionmayreducebenefitsofexercise.D.Peoplewithdiseasesshoulddomoreexercise.BCDCOnethirdofadultsover65inAmericahaveneverusedtheInternet,andhalfdon’tevenhaveInternetaccessathome.InSanFrancisco,“thecenteroftech”,40%ofolderadultsdonothavebasicdigitalliteracyskills.Thissituationisbecoming

appalling

asover10,000Americansturn65everysingleday.By2050,22%ofAmericanswillbe65orolder.Meanwhile,technologyisdevelopingveryfast.Thismeansthatalargenumberofpeoplewillbeunabletoproficientlyuseemergenttechnology.Manypeoplebelievethatseniorsaren’trequiredtoparticipateinourtechfuturebecausethey’llberetiredandrelaxedsoon.Butthisisthefarthestthingfromthetruth.Babyboomersarecurrentlyexperiencingadifferentboom:Withmorepeoplegettingolderthaneverbefore,theirlifeexpedienciesarealsoincreasingdramatically.Withmedicaladvancements,thenumberofAmericanpeopleprojectedtoliveintotheir90’shasdoubledsince1965.However,theydon’thavestrongfinancialoreducationalsupport.Thisisnotaproblem;it’sacrisis.Morethanhalfofemployeesover50havebeenlaidoffinwhat’sbeingcalled”forcedretirement“.Andfeworganizationsareactivelyhelpingolderemployeesmakethetransitionfromfull-timejobstopart-timeones.Forthosefortunateenoughtobeemployed,3outof5olderworkersexperienceprejudice.Theeasiestsolutionistoteachdigitalliteracy.Ifbabyboomerswanttosurvivetheforthcomingretirementcrisis,theyshouldgetenoughdigitalknowledgeandskillstooperatetoday’stoolsandtomorrow’splatforms.Witheverycrisiscomesanopportunity.Tutoring,customerservice,editing,research,book-keeping,andothervirtualassistance-basedworkopenthedoors.Butagain,digitalknowledgeisfirstrequiredtoliveinourhigh-techsocietyandgigeconomy.Sotrytogetmoreonlineandnavigatethegrowingnumberofsitesandapps.8.Whatdoestheunderlinedword“appalling”probablymeaninparagraph2?A.Confusing.B.Terrible.C.Controllable.D.Inspiring.9.Whatproblemmaybabyboomersface?A.Acrisisafterretirement.B.Beingknockedoutinthefuture.C.Failingtoreceivegoodhealthcare.D.Tendingtodoubletheirlifeexpediencies.10.Whatisthelastparagraphmainlyabout?A.Thefeaturesofhigh-techjobs.B.Thewayoutforbabybo