届高考英语阅读理解限时训练题45.docx

届高考英语阅读理解限时训练题45.docx

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届高考英语阅读理解限时训练题45

高三英语阅读理解限时训练（45）

A

Tocompleteastudy,ateamofscientistsleftBostonandwenthalfwayaroundtheworldtothemiddleofKenya．Theywantedtofindoutmoreaboutbarefootrunning．

Sure,peoplecanrunbarefootanywhere．ButKenyahasproducedsomeofthemostfamouslong-distancerunnersinhistory,andmanyoftheseathletesgrewupnotwearingshoes．ScientistDanielLiebermanvisitedsomeoftheserunnerstofigureoutwhatadifferenceshoesmake．

Itwasabigdifference,andnotnecessarilyforthebetter．Inparticular,whenabarefoothitstheground,theblow（冲击）issofterandtherunningmotionissmoother．Runningbarefootmayhaveadvantagesoverrunningwithshoeson,thoughmorestudiesareneededtodeterminewhetherornotbarefootrunningreducesthechanceofinjures．

Oneshouldn'tbescaredofbarefootrunningorthinkitstrange,LiebermantoldScienceNews．It'snormaland,ifdoneproperly,itisveryfunandcomfortable．

Previousstudieshaveshownthatwhenapersonrunsbarefoot,helandsonthefrontsormiddlesofthefeet．Thentheheels（脚后跟）godown．Duringthisprocess,theweightofthebodyisatfirstonthefrontsofthefeet,thenmovestotheheels．Whenapersonwearsshoes,however,hetendstorunsothathisheelshitthegroundfirst．Theeffectoftheheelhittingthegroundmanyhemuchmoreforcefulthantheeffectofthefrontofthefoothittingtheground．

Theresearchesalsostudiedbarefootrunnersintheirlaboratory．Thegoalwastomeasuretheforcewithwhicharunner'sfoothitstheground．Arear-foot（后足）strikeislikesomeonehittingyouonthefootwithahammerwithaboutoneandahalftothreetimesyourbodyweight．Itwouldhurtwithoutashoe．Liebermansaid．Aforefootstrikeislikehavingnoonehityouatall．Thestudyexploresthephysicsofrunning,whichisacomplextopic．

Theideathatbarefootrunningisbetterisamassiveassumption．ReedFerber,abiochemistattheUniversityofCalgaryinCanadasaid．Basically,therearenostudiesouttherethatshowbarefootrunningislessinjurious．

41．Lieberman'sattitudetowardsbarefootrunningis______．

A．supportiveB．negativeC．neutralD．unclear

42．Accordingtothestudies,ifyourunbarefoot,you______．

A．haveyourheelshitthegroundfirstB．setthefrontsofthefeetonthegroundfirst

C．loadmorebodyweightonyourfeetD．runfasterthanyourunwithshoeson

43．Itcanbelearnedfromthesixthparagraphthat______．

A．thephysicsofrunningisreallycomplicated

B．runningcanbedifferentinstyles

C．differentrunningstyleshavedifferentadvantages

D．runningabilityisrelatedtoone'sgenes．

44．WhichofthefollowingstatementsmayReedFerberagreeto?

A．Theideatodobarefootrunningcanbecometrue．

B．Itismuchbetterforrunnerstorunbarefoot．

C．Barefootrunningreducesthepossibilityofinjures．

D．Don'tthrowoutthefancyrunningshoesjustyet．

B

Inaresearchontheeffectofthetransportsector（运输领域）onclimate,itprovesthatroadtrafficcontributesthemosttoglobalwarming．Theaviation（航天）sectorhasthesecondlargestwarmingeffectwhileshippinghasacoolingeffectontheEarth'sClimate．

Thestudyconcludesthatsincepre-industrialtimes,15%ofCO2emissions（排放量）madebyhumanshavecomefromthetransportsector．Thestudyimpliesthatmoreattentionneedstobepaidtothefastgrowingroadsector．LookingonlyatCO2emissions,roadtrafficalonehasledtotwo-thirdsofthewarmingcausedbytotaltransportemissions．Thereasonwhyroadtransporttopsthelistismainlyduetothelargenumberofvehiclesontheroadsandthesmallercoolingeffectfromtheiremissions．Theresearcherssaidthattheroademissionsoftodaywillmakeupthreequartersofthewarmingcausedbytransportoverthenexthundredyears．

Followingroadtransport,aviationisthesecondlargesttransportcontributortoglobalwarming.However,thehistoricalcontributionfromaviationemissionstoglobalwarmingismorethandoubledthecontributionfromroademissions．Infact,overthenext100years,today'sroademissionswillhaveaclimateeffectthatisfourtimeshigherthantheclimateeffectfromtoday'saviationemissions．

Forshipping,thepictureismorecomplicated．Untilnow,shippinghashadacoolingeffectonclimate．ThisisbecauseshippingproducesalargeamountofSO2,whichhasacoolingeffect．However,althoughthegas,untilnow,hasgiventheshippingindustryacoolingeffect,thiseffectwilldisappearafterawhile,asthegasdoesn'tlastlongintheatmosphere．Thelong-livedCO2,willdominate（占优势）,givingshippingawarmingeffectinthelongrun．

Ingeneral,thetransportsector'scontributiontoglobalwarmingwillbecontinuouslyhighinthefuture．

45．Whatcanwelearnaboutroadtraffic?

A．Ithasthesecondlargestwarmingeffectonclimate．

B．Itproduces15%ofallCO2intotheaireveryyear．

C．ItcreatedmoreCO2emissionsthanaviationinhistory．

D．ItsCO2emissionswillprobablyincreaseinfuture．

46．Shippinghasacoolingeffectbecause______．

A．shippingconditionshavebeenimproved

B．theamountofshipsatseaissmall

C．itproducesagaswhichhasacoolingeffect

D．thegasitproducescanabsorbCO2

47．Theunderlinedphraseinparagraph4probablymeans"______"．

A．afteralongtimeB．inatiringrace

C．allthetimeD．duringalongvoyage

48．Thepassagemainlytalksabout______．

A．theeffectofCO2onglobalclimate

B．theeffectfromtrafficonglobalwarming

C．howtochooseagreenwaytotravel

D．whytransportproducessomuchCO2

C

Atarecentclass,yogainstructorHagentaughtseveralfacialexercisesdesignedtobuildupfacialmuscles．Somewomenpractisemovesincluding"TheLion",showingthetonguehangingoutandeyesrolledup．Hagenencouragesclassmemberstoholdthepositionfor60seconds,joking．"Youcandothisanytime．Itreallyhelpsyougetaseatonthetrain．"

Hagenrecentlypublishedabook—TheYogaFace:

RemoveWrinkles（皱纹）withtheUltimateNaturalFacelift．Shedevelopedaworkshopusingfacialyogabecausewomenwantedtolooktheirbest．

Facialmusclesbecomeweakandflabby（松驰的）andneedregularexercisetoreducewrinkles．Besides"TheLion",otherexercisesinclude"Satchmo"．inwhichthecheeksareblownoutLouisArmstrong-style,and"Marilyn",inwhichattractivekissesareblowntostrengthenmouthmusclesforfullandfirmlips．

Hagenrecommendsfacialyogaforthosewantingtofindouterandinnerbeauty,saying,"Theemotionalaspectisjustasimportantasthephysiological（生理学的）."

Butshedoesn'truleoutplasticsurgeryorBotox．"Idon'truleitoutformyself．OnedayImayfeellikeIneedthat．Butregardlessofthat,maintainingelasticity（弹性的）isextremelyimportant,especiallyifyouhavehadBotoxandplasticsurgery,"shesaid．

Whilemakingfacesinfrontofstrangersmightfrightensome,thosewhoattendedtheclassthoughtittheperfectwaytofightagainstbusyNewYorklifestyles．"WorkinginNewYorkisverystressful．"KathyHealeysaid,"It'saperfectwaytoendtheweek．"

49．Bysaying,"Itreallyhelpsyougetaseatonthetrain"．Hagenmeansthatsomepassengerscan.

A．practiseyogawithyouB．helpyoudofacialyoga

C．befrightenedawayD．noticeyourface

50．Somewomenareturningtofacialyogabecausethey______．

A．wanttoescapeworkingstressB．wanttohaveanewlifestyle

C．canpractiseitanywhereD．wanttolookbest

51．WhichofthefollowingaboutfacialyogaisTRUE?

A．Itisdesignedforwealthypeople．B．Itcanbeusefulbutharmful．

C．Itcanmakeyoufeelatease．D．Itispopularintheworld．

52．FromthepassagewecanconcludethatplasticsurgeryandRotox______．

A．helpreducewrinklesB．aregoodforwomen'shealth

C．willbereplacedbyfacialyogaD．arenaturalwaystokeepyoung

D

Formorethantwentyyearsscientistshavebeensearchingforsignsoflifeonotherplanets．Mostofthesesearcheshavebeendoneovertheradio．Thehopeisthatsomeoneinouterspacemayhetryingtogetintouchwithus．Scientistsalsohavesentradioandtelevisionmessagesonspaceshipstravelingthroughspace,onthechancethatsomeonemaybereceptivetosuchmessages．

Scientistsareusingpowerfulradiotelescopes（望远镜）tolistentosignalsfromabout1，000stars,allwithin100lightyearsofearth．Inaddition,theywillscan（扫视）theentireskyto"listen"forradiomessagesfrommoredistantstars．Usingacomputer,theywillbeabletomonitormorethaneightchannelsatonetime．Scientistsarelookingforanysignaltheystandsoutfromthehack-groundnoise．

Ofthe200billionstarsintheMilkyWaygalaxy（银河星系）,scientistsfindthatfivepercentarelikeoursun．Perhapshalfofthemhaveaplanetlikeourearth．Suchaplanetwouldbeareasonabledistancefromthestarfortemperaturestoberightfortheevolutionoflife．Basedontheinhabitable（thatcanbelivedin）planetsinourgalaxy,mostscientistsagreethatchancesarelikelythatoneormoreoftheseplanetssupportsomelife．

However,manyscientistswonderwhetherintelligentlifeexistsonotherplanets．Somebelievethattwentyyearsofsearchingwithoutanyintelligiblemessagesshowsthatnooneisoutthere．Theysaythattheevolutionofintelligencecomparabletooursisunlikely．

Otherscientistsbelievethatoursearchhasn'tbeenlongenoughtoruleoutthepossibilitythatintelligentlifeexistsinourgalaxy．Althoughoursunfamilyisonlyaboutfivebillionyearsold,ourgalaxyisabout20billionyearsold．Inthattime,somescientiststhinkitislikelythatcivilization（文明）muchmoreadvancedthanourshavedeveloped．Perhapsthesecivilizationssendusnosignals;perhapswehavenotrecognizedthesignalstheyhave