D　　People aren’t walking any more--

根据考试中心的统计分析，以下试题在2019/5/26日高考习题练习中，答错率较高，为：80%
【单选题】D Peoplearen’twalkinganymore---iftheycanfigureoutawaytoavoidit. IfeltsuperioraboutthismatteruntiltheotherdayItookmycartomailasmallparcel.Thejourneyisamatterof281steps.ButIusedthecar.AndIwasn’tinayhurry,either,Ihadmerelybecomeonemorevictimofanationalsickness:motorosis. ItisanillnesstowhichIhadthoughtmyselfimmune(),forIwasbredinthetr aditionofgoingtoplacesonmyowntwolegs.Atthattime,weregarded25milesasgoodday’swalkandtheabilitytocoversuchadistanceintenhoursassignofstr engthandskill.Itd idnotoccurtousthatwalkingwasahardship.Andtheeffectwaslasting.WhenIwas45yearsoldIraced–andbeat—ateenagefootballplayerthe168stepsuptheStatureofLiberty. Suchenterprisestodayareregardedbymanymiddle-agedpersonsasbadfortheheart.Butawell-knownBritishphysician,SirAdolpheAbrhams,pointedoutr ecentlythatheartsandbodiesneedproper……ismorelikelytohaveillnessesthanonewhoexercisesregularly.Andwlakingisanidealformofexercise---themostfamiliarandnaturalofall. ItwasHenryThoreauwhoshowedmankindtherichnessofgoingonfoot.Themanwalkingcanlearnthetr ees,flower,insects,birdsandanimals,thesignificanceofseasons,theveryfeelofhimselfasalivingcreatureinalivingworld,Hecannotlearninacar. Thecarisaconvenientmeansoftr ansport,butwehavemadeitourwayoflife.Manypeopledon’td aretoapproachNatureanymore;tothemtheworldtheywereborntoenjoyisallthreat.Tothemsecurityis{{U}}asteelriver{{/U}}thunderingonaconcreteroaD、Andmuchoftheirthinkingtakesplacewhilewaitingforthetr afficlighttoturngreen. Isaythatthegreenofforestsisthemind’sbestlight.Andnonebutthemanonfootcanevaluatewhatisbasicandeverlasting.TheauthormentionsHenryThoreautoprovethatA、middle-agedpeoplelikegettingbacktonatureB．walkinginnaturehelpsenrichone’smindC．peopleneedregularexercisetokeepfitD．goingonfootpreventsheartd isease
参考答案：B，答错率：80%