5年中考（2021-2025）1年模擬英語真題分類匯編專題03閱讀理解之說明文（2025·河南·中考真題）Sunshinedoesmakepeoplehappier．Imaginehowcheerfulyouarewhenitclearsupafterlongcoldrainydays．Let’sdiscoversciencebehindsunlight．Sunlightcausesyoutoproduceachemical(化學(xué)物質(zhì))calledserotonin(血清素)．Whenyouareexposedtosunlight,yourbodywillmakemoreserotonin．Higherlevelsofserotoninwillkeepyouingoodspirits．Atnight,whenthereislittleornolight,yourbodyproducesanotherchemical-melatonin(褪黑激素)．Ithelpsyourbodyrelaxandwillmakeyoufeeltired,whichcanprepareyouforagoodnight’ssleep．Youshouldkeepagoodbalancebetweenthesetwochemicals．However,formanypeople,itishardtobalancesunlightwithdarkness．Peoplewhostayindoorsalotmaynotgetenoughsunlight．Thelightinahouseisusuallyabout100timeslessthanthatoutsideonasunnyday．That’swhyitisbelievedthatthosepeopleshouldgetoutsideinthesunshine．Theycangetsomeexercise,enjoythefreshairandbehappy,allatthesametime．Thereareplaceswhereitgetsdarkforalongtimeinthewinter．Peopleinthoseplacesareeasiertogetseasonalaffectivedisorder(SAD)．PeoplewithSADusuallygothroughbadexperiencessuchaslowenergyandsadness．Themostcommontreatmentforthosepeopleistositunderbrightartificial(人工的)lightsforsometime．Therolesthatsunshineplaysinpeople’slifearemorethanthoseabove．Forexample,yourbodyproducesVitaminD(維生素D)fromsunlight,whichisimportantforbeinghealthy．Infact,thereismorescienceaboutsunlightforyoutodiscover．Sonexttime,whenyounoticethesunshineonyourshoulder,takeamomenttothink,“Whydowelovesunshine?”根據(jù)材料內(nèi)容選擇最佳答案。1．Whichofthefollowingcantaketheplaceof“areexposedto”inthetext?A．stayin B．careabout C．dreamof D．dependon2．WhatdoesParagraph2mainlytalkabout?A．Whatcanhelppeopletokeepingoodspirits B．Howlightinfluencespeoplethroughchemicals．C．Whymelatonincanhelppeoplerelaxforasleep． D．Whichchemicalisthoughttobemoreimportant．3．Whichofthefollowingisanopinion(觀點)accordingtothetext?A．Thereareplaceswhereitgetsdarkforalongtimeinthewinter．B．Peoplewhostayindoorsalotshouldgetoutsideinthesunshine．C．Thelightinahouseisusuallylessthanthatoutsideonasunnyday．D．People’sbodiesproducesomethingcalledVitaminDfromsunlight．4．JackisapersonwithSAD．Howcouldhesolvehisproblemaccordingtothetext?A．Bystayingindoorsalot． B．Bytakinginmorefreshair．C．Bydoingsomeexercise． D．Byusingman-madelights．5．Whyisthesentence“Whydowelovesunshine?”writteninthelastparagraph?A．Toencouragereaderstolearnmoreaboutsunlight．B．Toadvisereaderstostayinhousesforenoughtime．C．ToexpectreaderstorealizetheimportanceofVitaminD．Toinvitereaderstowalkintonaturetoenjoythefreshair．（2024·河南·中考真題）Anoldsayingusedforforecasting(預(yù)測)theweathersays,“Redskyatnight,sailors’delight．Redskyinthemorning,sailors(水手)takewarning．”Isthesayingtrue?Itturnsoutthatitis．Aredskyatsunsetmaymeanthatthereareclearskiestothewest,wherethesunsets．Aredskyatsunriseusuallymeansthattheclearweatherhasalreadypassed,sostormsmightbecoming．Forecastingtheweatherhasbeenpracticedforthousandsofyears．Inthe5thcenturyBC,theGreekssentoutforecaststosailors．Theyusedsignsinnaturetoforecasttheweather．Buttoday,meteorologistssendexactforecastsfurtherinadvance(提前)．Theyusescientificinstrumentstostudyweatherconditionsaroundtheworldandmakeforecasts．Pilots,farmersandmanyotherpeopledependontheseforecasts．Luckily,mostofuscansimplylookonthesmartphoneorturnontheTVtofindoutwhatkindofweatheriscoming．Ifyouarelookingforsomesignsoftheweather,payattentiontonature．Therearetwobasicrulesusedinweatherforecasting:Weathergenerallymovesfromwesttoeast,andlowairpressure(壓力)usuallymeansrainorsnow．Sopayattentiontothesigns．Ifrainbowsforminthewestatsunrise,thesunisontheway．Smelltheflowers—theirsmellsarestrongerinwetair．Whataretheantsdoing?Aretheymovingtohigherground?Thiscouldmeanadropinairpressure．Arethebirdsflyingloworhigh?Fallingairpressuremayinfluencebirds’ears,sotheyflylow．Andiftheskyisredatsunset,youmightplanapicnicforthenextday!根據(jù)材料內(nèi)容選擇最佳答案。6．Whatistheoldsayingabout?A．Thebeautyofsunrise． B．Thenightsky．C．Thesignsoftheweather． D．Thesailors’work．7．Whatdoestheunderlinedword“meteorologists”mean?A．ThepersonswhogivedailyweatherreportsonTV．B．Thepersonswhocarryoutresearchonnaturalhistory．C．Thepersonswhotakeaninterestinplantsandanimals．D．Thepersonswhodoscientificstudiesofweatherconditions．8．HowdoesthewriterdevelophisideainParagraph2?A．Bylistingthereasonsforterribleweather．B．Bytellingatruestoryaboutweatherforecasting．C．Byintroducingdifferentwaysofforecastingtheweather．D．Bymentioningthedifficultiesinforecastingtheweather．9．Whatdoweknowfromthelastparagraph?A．It’llbesunnyifantsmovetohigherplaces．B．Thesmellsofflowersarestrongerinwetair．C．Birdsflyhigherbecauseofthelowairpressure．D．It’llrainifrainbowsforminthewestatsunrise．10．Whatisthewriter’spurposeinwritingthetext?A．Toencouragepeopletogetclosetonature．B．Toexpresstheneedforweatherforecasting．C．Toexplainnaturecantellusabouttheweather．D．Todiscusshowimportantweatherforecastingis．（2023·河南·中考真題）Energyistheabilitytodowork．SolarenergycomesfromtheSun．Thereisalsoenergythatcomesfromwindandwater．Butdoyouknowthatenergycancomefrompeople,too?Whenyoupedalabike,youproduceenergy．Youuseyourlegstopushthepedals．Yourenergyistransferred(轉(zhuǎn)移)tothebike．Thatmakesthebikemove．Nowimagineridingyourbiketocreateenoughpowertorunacomputer．Somestudentsatoneschooldidjustthat!Theyjumpedonbikesconnectedtogenerators(發(fā)電機(jī))andpedaledinplace．Soontheywereproducingelectricity．Thisenergyisneededtoruntheircomputers．Hereishowbicycle-poweredenergyworks．Whenastudentpedalsthebike,thebackwheelspins．Thewheelspinsthegenerator．Thegeneratorproduceselectricity．Aslongasastudentpedalsthebicycle,electricitymovesthroughthegenerator．Theelectricitycanbeusedrightaway．Thisenergycanalsobestoredandusedlater．Peopleusebicycle-poweredenergytorunsmalldevices(設(shè)備)suchassmalltelevisionsandfans．Theyoftenuselessthan100wattsperhour．However,itwouldbeamistaketousepedalpowertorunafridge．Thislargemachineoftenusesmorethan700wattsperhour．Theelectricityforthesemachinescomesfrompowerlinesoverheadorunderground．Pedalpowercanbeseeninschools,gyms,andhomes．Whatafunwaytoprovideelectricity!根據(jù)材料內(nèi)容選擇最佳答案。11．Howdoesthewriterleadintothetopic“bicycle-poweredenergy”inParagraph2?A．Byaskingaquestion． B．Bytellingajoke．C．Byusinganoldsaying． D．Bymakingasurvey．12．Whatdoestheunderlinedword“spins”meaninthetext?A．Fallsdownsuddenly． B．Breaksupcompletely．C．Movesupanddownslowly． D．Turnsroundandroundquickly．13．WhatisParagraph5mainlyabout?A．Thefutureofnewenergy． B．Theformsofworld’senergy．C．Usingbicycle-poweredenergy． D．Producingbicycle-poweredenergy．14．Whatdoweknowaboutbicycle-poweredenergy?A．Itcan’tbeseeninschools． B．Itcomesfromwindandwater．C．Itcanbestoredandusedlater． D．It’sfrompowerlinesoverhead．15．Inwhichunitofatextbookcanthetextbefound?A．Unit1FriendsForever B．Unit2DreamoftheStarsC．Unit3TheValueofMoney D．Unit4TheWorldofScience（2022·河南·中考真題）There’snothingquitelikefallingsoundasleepafterafulldayofwork．Likepeople,animalsneedtorestafterworkinghard．Someanimalssleepinwater．Othersdigholesundertheground．Someevensleephighintreesorunderleaves．Buttheyallfindawaytorest．Someanimalsintheseasleepinstrangeways．Fishsleepwiththeireyesopen．Theyseemtolookaheadfarintotheseawhiletheyrest．Seaotterssometimessleepinbedsoftheplantsthatgrowinthesea．Thiskeepsthemfrommovingaway．Parrotfishblowsomethingfromtheirmouthswhentheyarereadytosleep．Thenabubble(氣泡)willbeformedaroundthem．Thebubbleprotectsthemfromharmwhiletheysleep．Someanimalssleepundertheground．Chipmunks(花栗鼠)sleepcurledup(蜷縮)inaball．Theirbedsaremadeofleavesandgrass．Inwinter,theysleepfortwoweeksandwakeuptoeatthestoredfood．Thentheygobacktosleepforanothertwoweeksbeforewakingupagain．Somedesertfrogsdigundergroundholesduringthehot,dryseason．Afrogmaystayinitsholeformonths．Highabovetheground,monkeysfindleafyplacesintreeseacheveningbeforetheysleep．Thetalltreeshelptokeepmonkeyssafeduringthenight．Someinsectsevensleepundertheleafthatwillbetheirnextmeal．Abeemayclimbdownintoaflowertorest．Whenitclimbsoutthenextmorning,itisrestedandreadyforwork．根據(jù)材料內(nèi)容選擇最佳答案。16．Whatanimalsblowbubbleswhentheysleep?A．Seaotters． B．Monkeys． C．Desertfrogs． D．Parrotfish．17．Whatdoweknowaboutchipmunksaccordingtothetext?A．Theyrestwiththeireyesopen．B．Theyneversleepcurledupinaball．C．Theywakeupnowandtheninwinter．D．Theydon’teatanyfoodduringthewinter．18．Whatdoesthelastparagraphmainlytalkabout?A．Theforestwheremonkeyssleepsafely．B．Theanimalsthatsleepabovetheground．C．Thereasonwhybeesclimbdownintoflowers．D．Thewaysthatkeepanimalsawayfromdanger．19．Whatisthestructureofthepassage?(P-Paragraph)A．B．C． D．20．What’sthebesttitleforthetext?A．Whereanimalslive? B．Whyanimalsmove?C．Howanimalssleep? D．Whatanimalsfeedon?（2021·河南·中考真題）Everylivingthingneedstoreproduce．Reproducingmeanscreatingmoremembersofyourgroup．Inorderforplantstoreproduce,theyhavetospreadtheirseeds(種子)tootherareas．Plantshavedevelopedallkindsofwaystodothis．Thesimplestwayisgravity．Manyseedsareinsideoffruit．Whenapieceoffruitgetstooheavy,itfallsfromatreetotheground．Sometimesanimalswillpickupthefruitanddropitinanotherarea．Thathelpsmovetheseedevenfartheraway．Applesspreadthisway．Otherplantsusewindtospreadtheirseeds．Dandelionsareagoodexampleofthis．Dandelionseedsaresolightthatwhenwindblows,itcarriesdandelionseedstonewplaces．Maple(楓樹)seedsalsousewind．Theirseedsareconnectedwithlong,thinleavesthatlooklikewings．Whentheseedfallsfromthetree,its“wings”helpitflyfartherfromthetree．Someanimalshelpplantsspreadtheirseeds．Theanimalseattheseeds．Whiletheseedisintheanimal’sbody,itstayswhole．Whentheseedleavestheanimal,it’sinanewplace．Antsalsohelpspreadseeds．Someseedshaveaspecialsmellthatattractsants．Theantsbringtheseedsbacktotheirhome,whichofcourseisunderground．Theyonlyeatpartoftheseed．Theyleavetherestoftheseedunderground．Afterthat,theseedcanstartgrowing．根據(jù)材料內(nèi)容選擇最佳答案。21．Whatdoestheword“gravity”meaninthesecondparagraph？A．Theactionthatmakesanimalsdropseeds．B．Thehelpthatmovesseedsevenfartheraway．C．Theneedthatcomesfromanimalsandplants．D．Theforcethatcausesfruittofalltotheground．22．Howdomaplesspreadtheirseeds?A．Theyuseants． B．Theyusewind．C．Theyusesmells． D．Theyuseanimals．23．Whatdoantsdotohelpspreadseeds?a．Theyonlyeatpartoftheseed．b．Theyhelpseedsfallfromthetree．c．Theycarryseedstotheundergroundhome．d．Theypickupthefruitandmoveitfaraway．e．Theyleavetherestoftheseedunderground．A．b,d,e B．a(chǎn),b,d C．a(chǎn),c,e D．b,c,d24．Whatisthetheme(主題)ofthetext?A．Nature． B．Culture． C．Education． D．Technology．25．What’sthebesttitleforthetext?A．HowPlantsSpreadSeeds? B．WhyAnimalsPickUpSeeds?C．HowWindHelpsSeedsSpread? D．WhySeedsHaveaSpecialTrip?（2025·河南平頂山·三模）Therearelotsofthingsthataregoodforyourbrain．Reading,forexample,helpsyourbraintogrowandworkbetter．Solvingpuzzles(拼圖)canhelp,too．Scientistsnowfindoutanotherwayofbringinghealthtobrains:exercising．Babiesneedexercisefortheirbrainstofullygrow．Meanwhile,exerciseimproveschildren’sattentionandhelpsthemdobetteratschool．Intheelderly,exercisecanhelptokeeptheirmindssharp．Theycannoticeorunderstandthingsquickly．Exercisealsohelpsbloodflowtothebrain．Thebrainneedsoxygen(氧氣)fromblood．Withoutoxygen,thebrainwouldstopworking．Babiesdonothavetotrytoexercise．Theyarealmostalwaysmoving．Developingnewskillslikesitting,standing,walking,runningandjumpingforcestheirbrainstogrow．Aschildrengetolder,exerciseisstillimportantforthebrains．Scientistsdidanexperiment．Theyfoundtwogroupsofchildrenbetween7and9yearsold．Onegroupexercisedforanhourafterschool．Theothergroupdidnot．Scientiststhengavebothgroupsanumberofbraintests．Thekidswhohadexercisedwerequickertolearnthanthosewhohadnotexercised．Finally,exercisehelpsadultsthinkquickly．Theolderpeoplebecome,thesmallerpartsofthebraintheywillget．Thiscanmakeitharderforoldpeopletorememberthings．Forexample,grown-upswhoexercisedfor30minutes,fivetimesaweekdidbetteronbrainteststhangrown-upswhodidnotexerciseasmuch．ExerciseisalsogoodforthepatientssufferingfromAlzheimer’sdisease(阿爾茨海默病),whichharmsthebrainandcausespeopletolosetheirmemories．根據(jù)材料內(nèi)容選擇最佳答案。1．Whatcanyoudoifyouwanttodosomethinggoodforyourbrain?A．Readbooks． B．Exercise． C．Solvepuzzles． D．Alloftheabove．2．Whatdoestheunderlinedword“sharp”inParagraph2mean?A．Serious． B．Quick． C．Slow． D．Sudden．3．Whydon’tbabieshavetotrytoexercise?A．Becausetheirbrainshavefullygrown．B．Becausetheyneedtokeeptheirmindsclear．C．Becausetheirbrainsdon’tneedoxygenfromblood．D．Becausetheymovealotwhenlearningnewskills．4．Whatcanwelearnfromthetext?A．Exercisehelpschildrenlearnquicker．B．Theolderpeoplebecomeeasiertorememberthings．C．Adultswhoexercisedoworseonbraintests．D．Exercisecan’thelppatientswithAlzheimer’sdisease．5．What’sthebesttitleforthetext?A．Exerciseisgoodforhealth B．TheimportanceofahealthybrainC．Exercisehelpsbringhealthtothebrains D．Differentwaysofkeepingthebrainshealthy（2025·河南駐馬店·三模）Thewebcamofyourcomputerisveryuseful．Wecanuseittotakepictures,takevideos,scan(掃描)documentsandhaveonlinemeetings．Butsometimes,youmaywanttocoveritifyouworkremotely(遠(yuǎn)程地)．Youwouldliketocoveritwhenyouwanttoavoidshowingyoursurroundingsinanonlinemeeting．Infact,ittakeslessthanaminutetocoveryourwebcamandprotectyourprivacy．Hideyourwebcamwithtapeforaquickcover．Youcanstickapieceoftapeoveryourwebcam．Thetapeprovidesagoodbarrier(障礙)betweenyouandyourcamera．Youshouldchooseblackorbrowntapeinsteadofcleartape．Ifthetapeisclear,itmaynotblockeverythinginyourroomorworkspace．Placeacutestickeroveryourwebcam．Youcansearchonlineorinacraftstoreforsomecutestickers．Youcanchooseastickerwithacutedesign．Placeitonyourwebcamasacute,protectivecover．Leavethestickerinplaceaslongasneeded．Blockoffyourcamerawithasquarewebcamcover．Youcanfindsomewebcamcoversinonlineshops．Itiseasytoplaceandremove,asit’smadeoutofamaterialthatsuctions(吸附)toyourcomputerratherthanstickswithadhesive(黏合劑)．Afterbuyingacover,youcanplaceitoveryourcamerasothatnobodycanseeyouoryoursurroundingscompletely．Ifyouneedtouseyourwebcam,youcanremoveiteasily．Theremightbesomeotherwaysortoolstocoverthewebcamofyourcomputer．Thinkitoverandseewhetheryoucancomeupwithsomenewsmartways．6．Howdoesthewriterdevelopthefirstparagraph?A．Cause→Result→Advice B．Question→Answer→ExampleC．Fact→Problem→Solution D．Argument→Opinion→Reason7．Whicharesuggestedtocoverthewebcamofyourcomputer?a．Aphoto．

b．Apieceofdarktape．

c．Acutesticker．d．Apieceofwhitepaper．

e．Asquarewebcamcover．A．a(chǎn),b,c B．b,c,d C．b,c,e D．c,d,e8．Whatdoestheunderlinedword“remove”meaninthefourthparagraph?A．Carefor． B．Takeaway． C．Putup． D．Lookthrough．9．Whichofthefollowingmightthewriteragreewith?A．Leavingyourwebcamuncoveredissafeatmosttimes．B．Usingastickertocoveryourwebcamistheeasiestway．C．Youshouldonlycoveryourwebcamwhenyouworkremotely．D．Thereareprobablysmarterandbetterwaystocoveryourwebcam．10．Whatisthebesttitleforthetext?A．TakeControlofYourPrivacy B．DosandDon’tsWhenUsingaWebcamC．KeepYourWebcamSafe． D．EasyTrickstoBlockOffYourWebcam（2025·河南信陽·三模）OnApril19th,ahalfmarathonwasheldinBeijing．About12,000runnerstookpart．Onaseparatetrack,besidethehumanrunners,21human-likerobotstookthesamechallenge．Therehavebeenrobotracesbefore,butnotthischallenging．Itwasthefirstraceofitskind．Sixrobotsfinishedtheracethoughthedistance(距離)wasquitedifficultforthem．Therobotsthatracedwereindifferentshapesandsizes．Thelargest,called“TiangongUltra”,was180cmtall．Thesmallest,called“LittleGiant”,wasjustunder75cmtall．Eachtraveledwithsupportworkersandacarholdingsupplypartsandevenreplacementrobots．Supportworkerscarrieddevices(設(shè)備)tocontroltheirrobots．Someworkersfollowedtheirrobots;othersledthem．Theearlypartoftheracewastheeasiestbecausethecoursewasflat．Later,thingsbecamemoredifficult．Thecoursehad14turns,andthereweresmallhillstorunupordown．Aswithhumanrunners,lowpowerwasaproblemfortherobots,too．Tiangongfelloncebecauseoflowpower．Thesamethinghappenedtootherrobots,too．Thebiggestchallengewasprobablyoverheating．Itwascoolinthemorning,butasthedayheatedup,workershadtohelptherobotstokeepcool．Atonepoint,LittleGianthadsmokecomingoutofitshead．ThefirstrobottocrossthefinishlinewasTiangong．Itfinishedtheracein2hours,40minutes,and42seconds．Secondandthirdplacewenttotwodifferentversionsofthesamesmallrobot,N2．Fortherobots,thegoaloftheracewasn’ttowin,itwastofinish．Thoughsomerobotsdidn’tfinish,theireffortsproducedalotofinformationthatwillhelptheirdevelopersimprovefuturerobots．根據(jù)材料內(nèi)容選擇最佳答案，并將其標(biāo)號填入題前括號內(nèi)。11．Whatmakesthehalfmarathonspecial?A．Thelongdistanceofit． B．Thenumberofrunners．C．Robots’takingpartinit． D．Thegreatresultoftherace．12．WhatdoesParagraph2mainlytalkabout?A．Theappearanceoftherobots． B．Theroleofthesupportworkers．C．Theconditionsofthemarathon． D．Theinformationofrobotrunners．13．Whichshowsthechallengesfortherobotrunners?①Lowpower．

②Thelongdistance．

③Theturnsandsmallhills．④Thesupportworkers’control．

⑤Thetemperaturegraduallyrose．A．①②③④ B．①②③⑤ C．②③④⑤ D．①③④⑤14．Howdoesthewritermostprobablyfindtherace?A．Itwasjustashowforfun．B．Itfailedtoreachitsgoalsthathadbeenset．C．Itwasdifficultbutsuccessfulintestingtherobots．D．Ithasprovedrobotscandoabetterjobthanhumans．15．What’sthestructureofthistext(P1=Paragraph1,…)?A．B．C． D．（2025·河南商丘·三模）HerearesomenewsportsthatwillappearattheLA2028SummerOlympics．Thereareworldchampionships(錦標(biāo)賽)forbothmenandwomeninbothsports．ButattheOlympics,baseballisamen’s-onlysportwhilesoftballisawomen’s-onlysport．Baseballbecameamedal(獎牌)sportattheOlympicsin1992whilesoftballatthe1996SummerOlympics．FlagfootballissimilartoAmericanfootball．Eachflagfootballteamhasfiveplayers．In2028,flagfootballwillbeattheOlympicsforthefirsttime．Cricketisaballgameplayedbytwoteams,andeachteamusuallyhaselevenplayers．Thesporthasgotover2．5billionfansaroundtheworld．It’llbeatthe2028Olympicsagainsinceitappearedatthe1900OlympicsinParisforthefirsttime．Lacrosseisateamsport,whichcanhavesixortenplayersineachteam．Atthe2028Olympics,therewillbesixplayersineachteam．LacrosseisnotnewtotheOlympics．Itwasplayedatthe1904and1908Olympics．Squashisasportplayedinafour-walledcourt(球場)bytwoplayersorfourfordoubleswitharubberball．Playerstaketurnshittingtheballagainstthefrontwall．Itappearedinmanygames．ButsquashisfinallyanOlympicsportatthe2028Olympics!根據(jù)材料內(nèi)容選擇最佳答案。16．Howmanyplayersdoeseachflagfootballteamhave?A．Five． B．Six． C．Ten． D．Eleven．17．Whichsporthasmorethan2．5billionfansaroundtheworldaccordingtothetext?A．Baseball． B．Flagfootball． C．Lacrosse． D．Cricket．18．WhenwaslacrossefirstplayedattheOlympics?A．In1904． B．In1908． C．In1992． D．In1996．19．Whatcanweknowfromthetext?A．Sevennewsportsarementioned．B．FlagfootballisnotsimilartoAmericanfootball．C．SquashandflagfootballwillbeplayedattheOlympicsforthefirsttimein2028．D．Baseballisawomen’s-onlysportwhilesoftballisamen’s-onlysportattheOlympics．20．Wherecanwemostprobablyreadthetext?A．Inasciencereport． B．Inasportsnewspaper．C．Inafashionmagazine． D．Inaguidebook．（2025·河南平頂山·三模）Whatwilltheworldoftomorrowbelike?Manypeopletodaybelievethattechnologyisgoingtohelpsolvesomeproblemswehavetoday．Newtechnologymaysolveoldproblems,anditmayalsocreatenewones．Notechnologyisperfect．Eachhasadvantagesanddisadvantages．Herearethreeexamples．Whenwedreamaboutthefuture,manyofusthinkthatwewillbeabletoflytotheskyinourownflyingcars．Wecouldflyat480kmperhour,avoidingtrafficlightsandbusyroads．However,iftoomanyflyingcarsareintheair,therewillbetroublewithtrafficcontrol．3Dprintingisanothernewtechnologyforthefuture．3Dprintersarealreadyusedtomakelife-sizemodelsofcarparts,andman-madebodyparts,likeears．Aswemoveintothefuture,3Dprintingwillchangethewaywemakethingsandthewaywetreatsickpeople．Thedisadvantageisthatsuchamachineisveryexpensive．Finally,peoplearetryingtomakearobotsuit．Thisisanelectronicsuit．Itallowspeopletoliftheavythingsandwalkalongway．Itmighthelppeoplewalkagainafteranillnessoranaccident．However,thebiggestobstacleatthemomentisthecost．Itiseasytoimagineafuture．Wewillbeabletoflytowork,printoutanewpairofshoesorliftacaraboveourheads．Althoughtherearesomeproblemstosolve,wecancertainlydreamofaworld．Inthisworld,technologymakespeople’slifeeasierandsafer,anditcansolvesomeofthemostdifficultproblemswehavetoday．根據(jù)材料內(nèi)容選擇最佳答案。21．Howdoesthewriterstartthetext?A．Bygivingadvice． B．Bygivingareport． C．Byaskingaquestion． D．Bytellingastory．22．Whatcanweknowfromthethirdparagraph?A．3Dprintershaven’tbeenusedsofar．B．3Dprintingwon’tbeusedtotreatthesick．C．3Dprintingwillchangethewaywemakethings．D．3Dprintingissocheapthatmostpeoplecanaffordit．23．Whatmighttherobotsuithelppeopledoafteranillnessoranaccident?A．Itmighthelppeoplewalkagain． B．Itmighthelppeoplesavemoney．C．Itmighthelppeopleflytothesky． D．Itmighthelppeoplemakemodels．24．Whatdoestheunderlinedword“obstacle”mean?A．Problem． B．Chance． C．Choice． D．Question．25．Whatisthewriter’spurposeinwritingthetext?A．Tointroduceakindofelectronicsuit．B．Tointroduceakindofcarinthefuture．C．Tointroducethreenewtechnologiesinthefuture．D．Todiscussadvantagesanddisadvantagesof3Dprinting．（2025·河南周口·三模）Racewalkingsharesmanyfitnessbenefitswithrunning,whilecausingfewerinjuries(傷害),researchshows．Itdoes,however,haveitsownproblem．Racewalkersareconditionedathletes．ThelongesteventattheSummerOlympicsisthe50-kilometerracewalk,whichisaboutfivemileslongerthanthemarathon．Butthesport’srulesrequirethataracewalker’skneesstaystraightthroughmostofthelegswingandonefootremainincontact(接觸)withthegroundatalltimes．It’sthisstrangeformthatmakesracewalkingsuchanattractiveactivity,however,saysJaclynNorberg,anassistantprofessorofexercisescienceatSalemStateUniversityinSalem,Mass．________．Accordingtomostcalculations(計算),racewalkersmovingataspeedofsixmilesperhourwouldburnabout800calories(卡路里)perhour．Althoughfewerthanrunning,whichwouldprobablyburnabout1,000ormorecaloriesperhour,itisabouttwiceasmanyastheywouldburnwhilewalking．“However,racewalkingdoesnothitthebodyasmuchasrunningdoes,”Dr．Norbergsays．Accordingtoherresearch,runnershitthegroundwithaboutfourtimestheirbodyweightperstep,whileracewalkers,whodonotleavetheground,createonlyabout1．4timestheirbodyweightwitheachstep．Asaresult,shesays,“someoftheinjuriesconnectedwithrunning,suchasarunner’sknee,areuncommonamongracewalkers．”Butthesport’sstrangeformdoesplacelotsofstressontheankles(腳踝)andhips(臀部),sopeoplewithahistoryofsuchinjuriesmightwanttobecarefulwhentryingthesport．“Infact,anyonewishingtotryracewalkingshouldprobablyfirstconsult(咨詢)acoachorexperiencedracertolearnproperskills,”shesays．Ittakessomepractice．根據(jù)材料內(nèi)容選擇最佳答案。26．Whichoffollowingiswalkingrace?A．B． C． D．27．Whichofthefollowingwouldbesuitablefor“________”inParagraph3?A．Comparedwithrunning,racewalkingismorepopularB．Likerunning,racewalkingrequiresphysicalstrength(體力)C．RacewalkingrequiresmorephysicalstrengththanrunningD．Racewalkingisapopularwayofexercise,likewalkingandrunning28．Whatadvantagedoesracewalkinghaveoverrunning?A．It’smoreattractive． B．Itburnslotsofcalories．C．Itdoesn’tdoanyharmtothebody． D．Itcausesfewerkneeinjuries．29．Whatcanwelearnaboutracewalkingfromthepassage?A．Itismuchsaferthanrunningandwalking．B．Itwilltaketheplaceofrunninginthefuture．C．Itisasportthatrequirescertainspecialskills．D．Itisaperfectformofexerciseforeveryonetotry．30．What’sthepurposeofwritingthispassage?A．Tointroduceaformofexercise．B．Toencouragepeopletotryracewalking．C．Tocompareracewalkingwithrunning．D．Totellpeopletheadvantages