2021六年高考阅读理解之七选五真题汇编含答案及解析

-六年高考阅读理解之七选五真题汇编1【全国卷I】依照短文内容，从短文后选项中选出能填入空白处最佳选项。选项中有两项为多余选项。Colorisfundamentalinhomedesign—somethingyou’llalwayshaveineveryroom.Agraspofhowtomanagecolorinyourspacesisoneofthefirststepstocreatingroomsyou’lllovetolivein.Doyouwantaroomthat’sfulloflife?Professional?Orareyoujustlookingforaplacetorelaxafteralongday?____36____，coloristhekeytomakingaroomfeelthewayyouwantittofeel.Overtheyears，therehavebeenanumberofdifferenttechniquestohelpdesignersapproachthisimportantpoint.____37____，theycangetalittlecomplex.Butgoodnewsisthatthere’rereallyonlythreekindsofdecisionsyouneedtomakeaboutcolorinyourhome：thesmallones，themediumones，andthelargeones.____38____.They’rethelittlespotsofcolorlikethrowpillows，mirrorsandbasketsthatmostofususetoaddvisualinteresttoourrooms.Lesstiringthanpaintingyourwallsandlessexpensivethanbuyingacolorfulsofa，smallcolorchoicesbringwiththemthesignificantbenefitofbeingeasilychangeable.Mediumcolorchoicesaregenerallyfurniturepiecessuchassofas，dinnertablesorbookshelves.____39____.Theyrequireabiggercommitmentthansmallerones，andtheyhaveamorepowerfuleffectonthefeelingofaspace.Thelargecolordecisionsinyourroomsconcernthewalls，ceilings，andfloors.Whetheryou’relookingatwallpaperorpaint，thetime，effortandrelativeexpenseputintoitaresignificant.____40____.A.WhileallofthemareusefulB.Whateveryou’relookingforC.Ifyou’reexperimentingwithacolorD.Smallcolorchoicesaretheoneswe’remostfamiliarwithE.It’snotreallyagoodideatousetoomanysmallcolorpiecesF.Soitpaystobesure，becauseyouwanttogetitrightthefirsttimeG.Colorchoicesinthisrangeareastepupfromthesmallonesintwomajorways2【全国卷II】依照短文内容，从短文后选项中选出能填入空白处最佳选项。选项中有两项为多余选项。Ifyouarealreadymakingthetimetoexercise，itisgoodindeed！Withsuchbusylives，itcanbehardtotryandfindthetimetoworkout.___36___Workingoutinthemorningprovidesadditionalbenefitsbeyondbeingphysicallyfit.Yourproductivityisimproved.Exercisingmakesyoumoreawakeandreadytohandlewhateverisaheadofyoufortheday.___37___Yourmetabolism(新陈代谢)getsaheadstart.___38___Ifyouworkoutinthemornings，thenyouwillbegettingthecalorie(卡路里)burningbenefitsforthewholeday，notinyoursleep.___39___Studiesfoundthatpeoplewhowokeupearlyforexercisesleptbetterthanthosewhoexercisedintheevening.Exerciseenergizesyou，soitismoredifficulttorelaxandhaveapeacefulsleepwhenyouareveryexcited.___40___Ifyouworkoutbrightandearlyinthemorning，youwillbemorelikelytosticktohealthyfoodchoicesthroughouttheday.Whowouldwanttoruintheirgoodworkoutbyeatingjunkfood?Youwillwanttocontinuetofocusonpositivechoices.Therearealotofbenefitstoworkingout，especiallyinthemornings.Setyouralarmclockanhourearlyandpushyourselftoworkout！Youwillfeelenergizedalldaylong.A.Youwillsticktoyourdiet.B.Yourqualityofsleepimproves.C.Youpreferhealthyfoodtofastfood.D.Thereisnoreasonyoushouldexerciseinthemorning.E.Youcankeepyourheadclearfor4-10hoursafterexercise.F.Afteryouexercise，youcontinuetoburncaloriesthroughouttheday.G.Ifyouareplanningtodoexerciseregularly，oryou’redoingitnow，thenlistenup!3【全国卷III】依照短文内容，从短文后选项中选出能填入空白处最佳选项。选项中有两项为多余选项。Beforetherewasthewrittenword，therewasthelanguageofdance.Danceexpressesloveandhate，joyandsorrow,lifeanddeath，andeverythingelseinbetween.___36___WedancefromFloridatoAlaska，fromnorthtosouthandseatosea.Wedanceatweddings，birthdays，officepartiesandjusttofillthetime.“Iadoredancing,”saysLesterBridges，theownerofadancestudioinIowa.“Ican'timaginedoinganythingelsewithmylife."Bridgesrunsdanceclassesforallages."Teachingdanceiswonderful.____37____It'sgreattowatchthem.Formanyofthem，it'sawayofmeetingpeopleandhavingasociallife."___38___"Icantellyouaboutoneyoungcouple,"saysBridges.“They'relearningtodotraditionaldances.Theyarriveattheclassinlowspiritsandtheyleavewithasmile._____39_____”So，dowedanceinordertomakeourselvesfeelbetter，calmer，healthier?AndreaHilliersays,“Dance，likethepatternofabeatingheart，islife.Evenafteralltheseyears，Iwanttogetbetterandbetter.____40____Ifindithardtostop！DancingremindsmeI'malive."A.Sowhydowedance?B.DanceintheU.S.iseverywhere.C.Ifyoulikedancingoutdoors，cometoAmerica.D.Myolderstudentssayitmakesthemfeelyoung.E.IkeeppracticingevenWhenI'mextremelytired.F.Dancingseemstochangetheirfeelingcompletely.G.Theystayedupallnightlongsinginganddancing.4【北京卷】依照短文内容，从短文后选项中选出能填入空白处最佳选项。选项中有两项为多余选项。WhyDoWeGetAngry?Angerseemssimplewhenwearefeelingit，butthecausesofangerarevarious.Knowingthesecausescanmakeusexamineourbehavior，andcorrectbadhabits.Themainreasonswegetangryaretriggering（触发）events，personalitytraits（特性），andourassessmentofsituations._____51_____Triggeringeventsforangeraresomanythattodescribethemallwouldtakehundredsofpages.However，herearesomeexamples：beingcutoffintraffic，adeadlineapproaching，experiencingphysicalpain，andmuchmore._____52_____Thereasonwhysomeoneistriggeredbysomethingandothersarenotisoftenduetoone’spersonalhistoryandpsychologicaltraits.Eachperson，nomatterwhotheyare，haspsychologicalimbalances.Peoplewhohavepersonalitytraitsthatconnectwithcompetitivenessandlowupsettolerancearemuchmorelikelytogetangry.____53____Also，sometimespre-angerdoesnothavetodowithalastingcondition，butratheratemporarystatebeforeatriggeringeventhasoccurred._____54_____Sometimesevenroutineoccurrencesbecomesourcesofpre-anger，orangeritself.Sometimesignoranceandnegative(悲观)outlooksonsituationscancreateanger._____55_____However，angercaneasilyturnviolent，anditisbesttoknowthereasonsforangertoappearinordertopreventitspresence.Withthesemainreasonsinmind，wecanevaluateourlevelofangerthroughoutthedayandpreventcasesofoutburstsbycomprehendingthereasonsforourfeelings.A.Ourattitudeandviewpointonsituationscancreateangerwithinusaswell.B.Butsometypesofsituationscanhelpustogetridoftheoccurrenceofanger.C.Angerisrarelylookeduponasabeneficialcharactertrait，andisusuallyadvisedtoreduceit.D.Angerisaparticularlystrongfeelingandmaybepeoplethinkthattheyhavereasonstofeelangry.E.Havingthesepersonalitytraitsimpliesthepre-angerstate，whereangerisinthebackgroundofyourmind.F.Understandingthesereasonswillcontrolourownangerifwearewillingtoevaluateourselveswithacriticaleye.G.Noteveryoneactsthesameinresponsetoevents，andthatiswhywhattriggersonepersonmayormaynottriggeranother.5【浙江卷】依照短文内容，从短文后选项中选出能填入空白处最佳选项。选项中有两项为多余选项。Movingintoanewhomeinanewneighborhoodisanexcitingexperience.Ofcourse，youwanttomakesurethatyoubecomeanacceptedandvaluablepartofyourneighborhood.Theeasiestwaytoaccomplishthisistomakesureyouconductyourselfasagoodneighborshould._____31_____Perhapsoneofthemostimportantthingsyoucandoasagoodneighboristokeepyourproperty(房产)neat，clean，andingoodrepair.____32____Bychoosingtokeeptheoutsideofthehomeingreatshape，youwillhelptoimprovethelookandfeelofthearea.Second，taketheoverallappearanceoftheneighborhoodseriously.Whengoingforawalk，takealongasmallgarbagebag._____33_____Thissmallactwillletyourneighborsknowthatyoucareaboutthearea.______34______Ifaneighborisgoingtobeoutoftown，offertocollectmailandnewspapers.Ifaneighborsuffersanillness，offertodothegroceryshopping.Letthemknowthatyouaretheretohelpinanywaythisacceptable，whilestillrespectingtheprivacyofyourneighbor.______35______Byfollowingthebasicrulesofrespectingothers，takingcareofwhatbelongstoyou，andtakingprideintheappearanceoftheneighborhoodingeneral，youwillquicklybecomeagoodneighborthateveryoneappreciate.A.Ingeneral，keepaneyeontheirpropertywhiletheyaregone.B.Agoodneighborisalsoonewholikestohelpoutinsmallways.C.Beingagoodneighborismoreorlessaboutconsideratebehavior.D.Sometimesneighborsmaygotothesupermarkettogethertodoshopping.E.Shouldyoucomeacrosswastepaperthrownoutofapassingcar，pickitup.F.Peopletendtotakeprideinkeepingeverythingintheirstreetfreshandinviting.G.Hereareafewtipstohelpyouwinovereveryoneintheneighborhoodquickly.6【全国卷I】依照短文内容，从短文后选项中选出能填入空白处最佳选项。选项中有两项为多余选项。IfanyonehadtoldmethreeyearsagothatIwouldbespendingmostofmyweekendscamping，Iwouldhavelaughedheartily.Campers，inmyeyes，werepeoplewhoenjoyedinsectbites，ill-cookedmeals，anduncomfortablesleepingbags.Theyhadnothingincommonwithme.36_______________Thefriendswhointroducedmetocampingthoughtthatitmeanttobeapioneer.37____________Wesleepinatent，cookedoveranopenfire，andwalkedalongdistancetotaketheshowerandusethebathroom.ThisbriefvisitwithMotherNaturecostmetwodaysofffromwork，recoveringfromabadcaseofsunburnandthedoctor’sbillformyson’sfoodpoisoning.Iwas，nevertheless，talkedintogoingonanotherfun-filledholidayinthewilderness.38_____________Instead，wehadapop-upcamperwithcomfortablebedsandanairconditioner.Mynature-lovingfriendshadrememberedtobringallthenecessitiesoflife.39_____________Wehavedonealotofitsince.Recently，weboughtatwenty-eight-foottraveltrailercompletewithabathroomandabuilt-inTVset.Thereisaseparatebedroom，amodernkitchenwitharefrigerator.Thetrailerevenhasmatchingcarpetandcurtains.40______________Itmustbetruethatsoonerorlater，everyonefindshisorherwaybacktonature.Irecommendthatyoufindyourwayinstyle.A.Thistimetherewasnotent.B.Thingsaregoingtobeimproved.C.Thetriptheytookmeonwasaroughone.D.Iwastolearnalotaboutcampingsincethen，however.E.ImustsaythatIhavecertainlycometoenjoycamping.F.Afterthetrip，myfamilybecamequiteinterestedincamping.G.Therewasnoshadeasthetreeswerenomorethan3feettall.7【全国卷II】依照短文内容，从短文后选项中选出能填入空白处最佳选项。选项中有两项为多余选项。Interruptionsareoneoftheworstthingstodealwithwhileyou’retryingtogetworkdone.36_____________,thereareseveralwaystohandlethings.Let’stakealookatthemnow.37_____________.Tellthepersonyou’resorryandexplainthatyouhaveamillionthingstodoandthenaskifthetwoofyoucantalkatadifferenttime.Whenpeopletrytointerruptyou，havesethoursplannedandletthemknowtocomebackduringthattimeorthatyou’llfindthemthen.38____________.Itcanhelptoeliminate(消除)futureinterruptions.Whenyouneedtotalktosomeone，don’tdoitinyourownoffice.39_____________，it’smucheasiertoexcuseyourselftogetbacktoyourworkthanifyoutrytogetsomeoneoutofyourspaceevenafterexplaininghowbusyyouare.Ifyouhaveadoortoyouroffice，makegooduseofit.40____________.Ifsomeoneknocksandit’snotanimportantmatter，excuseyourselfandletthepersonknowyou’rebusysotheycangetthehint(暗示)thatwhenthedoorisclosed，you’renottobedisturbed.A.Ifyou’rebusy，don’tfeelbadaboutsayingnoB.WhenyouwanttoavoidinterruptionsatworkC.SetboundariesforyourselfasyourtimegoesD.Ifyou’reintheotherperson’sofficeorinapublicareaE.It’simportantthatyouletthemknowwhenyou’llbeavailableF.ItmightseemunkindtocutpeopleshirtwhentheyinterruptyouG.Leaveitopenwhenyou’reavailabletotalkandcloseitwhenyou’renot8【全国卷III】依照短文内容，从短文后选项中选出能填入空白处最佳选项。选项中有两项为多余选项。Lotsofpeoplefindithardtogetupinthemorning，andputtheblameonthealarmclock.Infact，thekeytoeasymorningwake-upliesinresettingyourbodyclock.36_____________Here’showtomakeone.●37_____________Inordertomakeachange，youneedtodecidewhyit’simportant.Doyouwanttogetupintimetohavebreakfastwithyourfamily，getinsomeexercise，orjustbebetterpreparedforyourday?Onceyouareclearaboutyourreason，tellyourfamilyorroommatesaboutthechangeyouwanttomake.●Rethinkmornings.Nowthatyouknowwhyyouwanttowakeup，considerre-arrangingyourmorningactivities.Ifyouwanttimetohavebreakfastwithyourfamily，savesometimethenightbeforebysettingoutclothes，shoes，andbags.38______________That’saquarter-hourmoreyoucouldbesleepingifyouboughtacoffeemakerwithatimer.●Keepyoursleep/wakescheduleonweekends.Ifyou’retiredoutbyFridaynight，sleepinginonSaturdaycouldsoundwonderful.Butcompensatingontheweekendsactuallyfeedsintoyoursleepinessthefollowingweek，arecentstudyfound.39_____________●Keeparecordandevaluateitweekly.Keeptrackofyoureffortsandwritedownhowyoufeel.Afteryou’vetriedanewmethodforaweek，takealookatyourrecord.40____________Ifnot，takeanotherlookatothermethodsyoucouldtry.A.Getasleepspecialist.B.Findtherightmotivation.C.Abetterplanforsleepcanhelp.D.Andconsidersettingasecondalarm.E.Ifthestepsyoutakeareworking，keepitup.F.Sticktoyoursetbedtimeandwake-uptime，nomattertheday.G.Reconsiderthe15minutesyouspendinlineatthecafétogetcoffee.9【浙江卷】依照短文内容，从短文后选项中选出能填入空白处最佳选项。选项中有两项为多余选项。HowtoDoMan-on-the-StreetInterviewsTheman-on-the-streetinterviewisaninterviewinwhichareporterhitsthestreetswithacameramantointerviewpeopleonthesport.31_____________Butwiththesetips，yourfirstman-on-the-streetinterviewexperiencecanbeeasy.●Whenyourbossorprofessorsendsyououttodoman-on-the-streetinterviewsforastory，thinkaboutthetopicanddevelopalistofabouttengeneralquestionsrelatingtoit.Forexample，ifyourtopicisaboutenvironmentalproblemsinAmerica，youmightask，“WhydoyouthinkenvironmentalprotectionisimportantinAmerica?”32_____________●Hitthestreetswithconfidence.33_____________Say，“Excuseme，IworkforXYZNews，andIwaswonderingifyoucouldshareyouropinionaboutthistopic.”Thisisaquickwaytogetpeopletowarmuptoyou.●Moveontothenextpersonifsomeonetellsyousheisnotinterestedintalkingoncamera.Don’tgetdiscouraged.●34_____________Eachinterviewthatyougetonthestreetshouldn’tbelongerthantenminutes.Assoonasyougettheansweryouneed，moveontothenextperson.Makesurethatasyougofrominterviewtointerview，youaregettingavarietyofanswers.Ifeveryoneisgivingyouthesameanswer，youwon’tbeabletouseit.Asafenumberofinterviewstoconductisaboutsixtoten.35____________●Ifyournewsstationorschoolrequiresintervieweestosignreleaseformstoappearontheair，don’tleaveworkwithoutthem.A.Limityourtime.B.Asyouapproachpeople，bepolite.C.Ifyoudon’townacamera，youcanbuyone.D.Fornewreporters，thiscanseemlikeachallengingtask.E.Togetgoodandusefulresults，askthemthesamequestion.F.Thatnumberofinterviewsshouldgiveyoualltheanswersyouneed.G.Withaquestionlikethis，youwillgetmorethana“Yes”or“No”reply.10【北京卷】依照短文内容，从短文后选项中选出能填入空白处最佳选项。选项中有两项为多余选项。Everyanimalsleeps，butthereasonforthishasremainedfoggy.Whenlabratsarenotallowedtosleep，theydiewithinamonth.71_____________Oneideaisthatsleephelpsusstrengthennewmemories.72____________Weknowthat，whileawake，freshmemoriesarerecordedbyreinforcing(加强)connectionsbetweenbraincells，butthememoryprocessesthattakeplacewhilewesleephavebeenunclear.Supportisgrowingforatheorythatsleepevolvedsothatconnectionsbetweenneurons(神经元)inthebraincanbeweakenedovernight，makingroomforfreshmemoriestoformthenextday.73______________Nowwehavethemostdirectevidenceyetthatheisright.74____________Thesynapsesinthemicetakenattheendofaperiodofsleepwere18percentsmallerthanthosetakenbeforesleep，showingthattheconnectionsbetweenneuronsweakenwhilesleeping.IfTononi’stheoryisright，itwouldexplainwhy，whenwemissanight’s，wefinditharderthenextdaytoconcentrateandlearnnewinformation—ourbrainsmayhavesmallerroomfornewexperiences.Theirresearchalsosuggestshowwemaybuildlastingmemoriesovertimeeventhoughthesynapsesbecomethinner.Theteamdiscoveredthatsomesynapsesseemtobeprotectedandstayedthesamesize.75______________“Youkeepwhatmatters,”Tononisays.A.Weshouldalsotrytosleepwellthenightbefore.B.It’sasifthebrainispreservingitsmostimportantmemories.C.Similarly，whenpeoplegoforafewdayswithoutsleeping，theygetsick.D.Theprocessestakeplacetostopourbrainsbecomingloadedwithmemories.E.That’swhystudentsdobetterintestsiftheygetachancetosleepafterlearning.F.“Sleepisthepricewepayforlearning,”saysGiulioTononi，whodevelopedtheidea.G.Tononi’steammeasuredthesizeoftheseconnections，orsynapses，inthebrainsof12mice.11【全国卷I】依照短文内容，从短文后选项中选出能填入空白处最佳选项，选项中有两项为多余选项。Secretcodes(密码)keepmessagesprivate。Banks，companies，andgovernmentagenciesusesecretcodesindoingbusiness，especiallywheninformationissentbycomputer.Peoplehaveusedsecretcodesforthousandsofyears.36_____________Codebreakingneverlags(落后)farbehindcodemaking.Thescienceofcreatingandreadingcodedmessagesiscalledcryptography.Therearethreemaintypesofcryptography.37______________Forexample，thefirstlettersof“Myelephanteatstoomanyeels”Spelloutthehiddenmessage“Meetme.”38______________Youmightrepresenteachletterwithanumber，Forexample，Let’snumberthelettersofthealphabet，inorder，from1to26.Ifwesubstituteanumberforeachletter，themessage“Meetme”wouldread“13520135.”Acodeusessymbolstoreplacewords，phrases，orsentences.Toreadthemessageofarealcode，youmusthaveacodebook.39______________Forexample“bridge“mightstandfor“meet”and“out”mightstandfor“me.”Themessage“bridgeout”wouldactuallymean“Meetme.”40______________However，itisalsohardtokeepacodebooksecretforlong.Socodesmustbechangedfrequently.It is very hard to break a code without the code book.B.In any language, some letters are used more than others.C.Only people who know the keyword can read the message.D.As long as there have been codes, people have tried to break them.E.You can hide a message by having the first letters of each word spell it out.F.With a code book, you might write down words that would stand for other words.G.Another way to hide a message is to use symbols to stand for specific letters of the alphabet.12【全国卷II】依照短文内容，从短文后选项中选出能填入空白处最佳选项。选项中有两项为多余选项。Agardenthat’sjustrightforyouHaveyouevervisitedagardenthatseemedjustrightforyou，wheretheatmosphereofthegardenappearedtototalmorethanthesum(总和)ofitsparts?36____________.Butitdoesn’thappenbyaccident.Itstartswithlookinginsideyourselfandunderstandingwhoyouarewithrespecttothenaturalworldandhowyouapproachthegardeningprocess.●37____________Somepeoplemaythinkthatagardenisnomorethanplants，flowers，patternsandmassesofcolor.Othersareconcernedaboutusinggardeningmethodsthatrequirelesswaterandfewerfertilizers(肥料).38___________.However，thereareanumberofotherreasonsthatmightexplainwhyyouwanttogarden.Oneofthemcomesfromourearliestyears.●Recall(回忆)yourchildhoodmemoriesOurmodelofwhatagardenshouldbeoftengoesbacktochildhood.Grandma’srosegardenandDad’svegetablegardenmightbegoodorbad，butthat’snotwhat’simportant.39_____________--howbeinginthosegardensmadeusfeel.Ifyou’dliketobuildapowerfulbondwithyourgarden，startbytakingsometimetorecallthegardensofyouryouth.40_____________Thengooutsideandworkoutaplantotranslateyourchildhoodmemoriesintoyourgrown-upgarden.Havefun.A.KnowwhyyougardenB.FindagoodplaceforyourowngardenC.It’sourexperienceofthegardenthatmattersD.It’sdelightfultoseesomanybeautifulflowersE.StillothersmaysimplyenjoybeingoutdoorsandclosetoplantsF.Youcanproducethatkindofmagicalqualityinyourowngarden，tooG.Foreachofthosegardens，writerdownthestrongestmemoryyouhave13【全国卷III】依照短文内容，从短文后选项中选出能填入空白处最佳选项。选项中有两项为多余选项。Everyoneknowsthatfishisgoodforhealth.16_____________Butitseemsthatmanypeopledon’tcookfishathome.Americanseatonlyaboutfifteenpoundsoffishperpersonperyear，butweeattwiceasmuchfishinrestaurantsasathome.Buying，storing，andcookingfishisn’tdifficult.17_____________Thistextisabouthowtobuyandcookfishinaneasyway.18_____________Freshfishshouldsmellsweet：youshouldfeelthatyou’restandingattheocean’sedge.Anyfishyorstrongsmellmeansthefishisn’tfresh.19______________Whenyouhaveboughtafishandarrivehome，you’dbetterstorethefishintherefrigeratorifyoudon’tcookitimmediately，butfreshfishshouldbestoredinyourfridgeforonlyadayortwo.Frozenfishisn’tastastyasthefreshone.There are many common methods used to cook fish. 20____________First，clean it and season it with your choice of spices.Put the whole fish on a plate and steam it in a steam pot for 8 to 10 minutes if it weighs about one pound.(A larger one will take more time.)Then，it’s ready to serve.A.Do not buy it.B.The easiest is to steam it.C.This is how you can do it.D.It just requires a little knowledge.E.The fish will go bad within hours.F.When buying fish，you should first smell it.G.The fats in fish are thought to help prevent heart disease.14【北京卷】依照短文内容，从短文后七个选项中选出对的填入空白处。选项中有两项为多余选项。TheScienceofRisk-SeekingSometimesWedecidethatalittleunnecessarydangerisworthitbecausewhenweweightheriskandthereward，theriskseemsworthtaking.71_____________Someofusenjoyactivitiesthatwouldsurpriseandscaretherestofus.Why?Expertssayitmayhavetodowithhowourbrainswork.Thereasonwhyanyofustakeanyrisksatallmighthavetodowithearlyhumans.Risk-takerswerebetterathunting，fighting，orexploring.72______________AsthequalityofRisk-takingwaspassedfromonrationtothenext，humansendedupwithasenseofadventureandatoleranceforrisk.Sowhyaren’twealljumpingoutofairplanesthen?Well，even200,000yearsago，toomuchrisk-takingcouldgetoneKilled.Afewdaringsurvived，though，alongwithafewstay-in-the-cavetypes.Asaresult，humansdevelopedarangeofcharactertypesthatstillexiststoday.Somaybeyoulovecarracing，ormaybeyouhateit.73_____________Nomatterwhereyouareontherisk-seekingrange，scientistssaythatyourwillingnesstotakerisksincreasesduringyourteenageyears.74______________Tohelpyoudothat，yourbrainincreasesyourhu