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文檔簡(jiǎn)介
2022年浙江省舟山市大學(xué)英語(yǔ)6級(jí)大學(xué)英語(yǔ)六級(jí)真題一卷(含答案)學(xué)校:________班級(jí):________姓名:________考號(hào):________
一、2.ReadingComprehension(SkimmingandScanning)(20題)1.AFuturevehicle
What'stheMollerSkycar?
Whilemanytechnologicaladvancesoccurinanevolutionarymanner,occasionallyarevolutionarytechnologyappearsonthehorizonthatcreatesstartlingnewconditionsandprofoundchanges.SuchisthecasewiththeprivatelydevelopedMollerSkycar,whichisnamedafteritsinventor.Withtheinventorpermission,Iwouldliketodiscussthemilitarypotentialofthisvehicle.ThereinforcedMollerSkycarvariantthemilitaryisevaluatingiscalledthelightaerialmultipurposevehicle,orLAMV(pronounced"lam-vee").
TheLAMVisaverticaltake-offandlandingaircraftthatcanflyinaquick,quiet,andagilemanner.Itisanewtypeofvehiclethatcombinesthespeedofanairplaneandtheverticaltake-offcapabilityofahelicopterwithsomecharacteristicsofagroundvehicle,butwithoutthelimitationsofanyofthoseexistingmodesoftransportation.
TheLAMVisnotoperatedliketraditionalfixed-orrotary-wingaircraft.Ithasonlytwohand-operatorstodirecttheredundantcomputercontroltwiststoselectthedesiredoperatingaltitudeandmovesforeandafttoselecttherateofclimb.Theright-handcontroltwiststoselectthevehicle'sdirectionandmovesside-to-sidetoprovidetransverse(crosswise)movementduringthehoverandearly-transition-to-flightphasesofoperation;italsomovesforeandafttocontrolspeedandbraking.Simplyput,theLAMVisuser-friendly.
TheLAMVofthefuturewillbe18feetlong,10feetwide,and6feethighandweight2,200pounds.Itwillholdfourpassengersandapayloadof875pounds(includingfuel).Thevehiclewillhaveamaximumrateofclimbof6,400feetperminuteandanoperationalceilingof30,000feet.Itwillattainatopspeedof390milesperhouratanaltitudeof6,000feetandacruisingspeedof350milesperhourat25,000feet,anditwillhaveamaximumrangeof900milesat80passengermilespergallon.TheLAMValsowillbequietenoughtofunctionasanacoustic"stealth"planeat500feet.Itwillhaveaverticaltake-offandlandingcapabilityandemergencyairframe.parachutes,anditwillbecapableofusingvariousfuels.
TheLAMVfeaturesredundant,independentcomputersystemsforflightmanagement,stability,andcontrol.Twoairframe.parachutescanbedeployedintheeventofthevehicle'scatastrophicfailure.TheseparachutesensurethattheLAMVandtheoperatorandsoldiersitcarriescanlandsafely.TheWankel-typerotaryenginesareveryreliablebecauseoftheirsimplicity.Thethreemovingpartsinatwo-rotorRotapowerenginesareapproximatelysevenpercentofthenumberofpartsinafour-cylinderpistonengine.Eachengineroomfullyenclosestheenginesandfans,greatlyreducingthepossibilityofinjurytosoldierswhomightbenearthevehicleintheeventofanenginefireorexplosion.Multiplesystemscheckfuelforqualityandquantityandprovideappropriatewarnings.TheLAMVcanlandonvirtuallyanysolidsurface.
TheLAMVisaerodynamicallystable.Intheunlikelyeventthatsufficientpowerisnotavailabletolandvertically,theLAMV'sstabilityandgoodglideslopeallowtheoperatortomaneuvertoasafeareabeforeusingtheairframe.parachutes.SincecomputerscontroltheLAMV'sflightduringhoverandtransition,theonlyoperatorinputistocontrolspeedanddirection.Undesirablemovementscausedbywindgustsarepreventedautomatically.
TheusageofLAMVinthefuture
ThepotentialeconomicadvantagesoftheLAMVareworthmentioning.Itsfuel-efficientenginesandabilitytooperateonvariousfuelswilllowfuelcosts.TheLAMVusesone-fourthofthefuelperpassengermileusedbythetilt-rotorV-22Ospreyorhighperformancehelicopters.TheLAMV'sacquisitioncostalsowillbeasignificantfactorinitsfavor.
A.YB.NC.NG
2.
WhattheGermanMarshallFundfoundlastyearimpliesthat______.
A.mostAmericanstendtofreetrade
B.freetradecouldslowdowneconomicgrowth
C.foreigncompetitioncouldharmdomesticeconomybeyonddoubt
D.mostAmericansdon'twantaneconomicgrowthatthecostofdomesticcompanies
3.
InChina,mosttalentedstudentshavebeensentabroadto______--chieflyatthegraduatelevel.
4.
Competitionforgradesandotherpressuresaresupposedtotaketheresponsibilityof______.
5.
MayerHillmanindicatesthatchildrennowhavelessandless______.
A.spaceforplaying
B.contactwithanimals
C.concernaboutothers
D.knowledgeaboutnature
6.
Inflammatoryheadacheswilloccurwhenmucuscannotflowfreelythroughthesinusesandcausestoomuchstresson______.
7.Directions:Inthispart,youwillhave15minutestogooverthepassagequicklyandanswerthequestionsonAnswerSheet1.
Forquestions1-4,mark
Y(forYES)ifthestatementagreeswiththeinformationgiveninthepassage;
N(forNO)ifthestatementcontradictstheinformationgiveninthepassage;
NG(forNOTGIVEN)iftheinformationisnotgiveninthepassage.
Forquestions5-10,completethesentenceswiththeinformationgiveninthepassage.
Earth'sBeginnings:TheOriginsofLife
Earthistheonlyplanetweknowofthatcansupportlife.Thisisanamazingfactconsideringthatitismadeoutofthesamematterasotherplanetsinoursolarsystem,wasformedatthesametimeandthroughthesameprocessesaseveryotherplanet,andgetsitsenergyfromthesun.
Toauniversaltraveler,Earthmayseemtobeaharmlesslittleplanetinthefarreachesofoneofbillionsofspiralgalaxiesintheuniverse.Ithasanaveragesizestarofaveragebrightnessandisjoinedbyeightotherplanets—whichsupportnoknownlifeforms—initssolarsystem.
However,Earthisaplanetteemingwithvitalityandishometobillionsofplantsandanimalsthatshareacommonevolutionarytrack.Howandwhydidwegethere?Whatprocesseshadtotakeplaceforthistohappen?Andwheredowegofromhere?Thefactis,noonehasbeenabletocomeclosetoknowingexactlywhatledtotheoriginsoflife,andwemayneverknow.After4.5billionyearsofEarth'sformationandevolution,theevidencemayhavebeenlost.Butscientistshavemadesignificantprogressinunderstandingwhatchemicalprocessesthatmayhaveledtotheoriginsoflife.
Therearemanytheories,butmosthavethesamegeneralperspectiveofhowthingscametobethewaytheyare.Followingisanaccountoflife'sbeginningsbasedonsomeoftheleadingresearchandtheoriesrelatedtothesubject,andofcourse,fossilrecordsdatingbackasfaras3.5billionyearsago.
Earth'sBeginnings
Earthbegantoform.over4.5billionyearsagofromthesamecloudofgas(mostlyhydrogenandhelium)andinterstellardustthatformedoursun,therestofthesolarsystemandevenourgalaxy.Infact,Earthisstillformingandcoolingfromthegalacticimplosionthatcreatedtheotherstarsandplanetarysystemsinourgalaxy,aprocesswhichbeganabout16billionyearsagoastheMilkyWaybegantoform.
Asoursolarsystembegantocometogethersome6—7billionyearsago,thesunformedwithinacloudofdustandgasthatcontinuedtoshrinkuponitselfbyitsowngravitationalforces.Thiscausedittoundergothefusionprocessandgiveofflight,heatandotherradiation.Duringthisprocess,osmallerlumpscalledplanetesimals,whicheventuallyformedintotheplanetsweknowtoday.
TheEarthwentthroughaperiodofcatastrophicandintenseformationduringitsearliestbeginningsabout4.5—4.6billionyearsago.By3.8to4.1billionyearsago,Earthhadbecomeaplanetwithanatmosphere(notlikeouratmospheretoday!)andanocean.ThisperiodoftimeofEarth'sformationisreferredtoasthepre-CambrianPeriod.Thepre-Cambrianisdividedintothreeparts:theHadean,ArcheanandProterozoicPeriods.
Pre-CambrianPeriod
TheEarthformedundersomuchheatandpressurethatitformedasamoltenplanet.Fornearlythefirstbillionyearsofitsformation—calledtheHadeanPeriod(or"hellish"period)—Earthwasbombardedcontinuouslybytheremnantsofthedustanddebris—likeasteroids,meteorsandcomets—untilitformedintoasolidsphere,fellintoanorb
A.YB.NC.NG
8.
Itfoundthatincreasesinairpollutiontendedto______.
9.
Howcanweknowwhetherourplannedretirementspendingwillwork?
A.Wecanusesomeon-lineretirementcalculators.
B.Wecanasksomepeoplewhohavealreadyretired.
C.Wecantrytolivebelowourmeans.
D.Wecanconductakindofexperimentofthatlife.
10.
Antipollutionlegislationshavebeenenactedthankstothecontinuedpressurefrom______.
A.grass-rootsorganizations
B.individualactivism
C.environmentalists
D.environmentalregulation
11.
Recently,researchershavefoundthatitissomethinginourbrainthatcausesouranxiety.
A.YB.NC.NG
12.
TheAIDSvirusisspreadthroughtheexchangeofinfectedbloodorbodyfluidsreleasedduringsexualactivity.
A.YB.NC.NG
13.
Bythe17thcenturyafewpubliclibrarieshad________.
14.Withoutthehostprocessor,acardholdercannotwithdrawmoneyfromanATM.
15.
_____isageneralmechanismthatservestheentireanimalkingdom.
16.
Mostmodelspredictmorewarminginthetropospherethanatthesurface,whereasmostdatasets______.
17.
Shouldsareasourceof______________.
18.
Thepurposeofthisadvertisementis______.
19.
Defendingthemselvesagainstattack,testpreparationcompaniessaytheircoursesarebasedon______.
20.
Howdoyouchooseproperlightingforyourreadinginthelibrary?
A.Thelightshouldcovermostareasintheroom.
B.Thelightshouldcomeoveryourshoulder.
C.Thelightshouldnotbebrighterthanotherlightsintheroom.
D.Thelightshouldonlyfocusonthesmallesttext.
二、3.ListeningComprehension(20題)21.
【B9】
22.(19)
A.Itishardtopronouncethename.
B.It'snotgoingtobewellreceived.
C.Shehastemporarilyforgottenitsname.
D.Shehasneverheardofthename.
23.(26)
A.Helpthemanplanastudentrally.
B.Usethestudentparkinglot.
C.Makeadonationtosupportthegroup.
D.Signapetition.
24.(28)
A.Tohaveatalkwithhim.
B.Toinform.himoftheirdecision.
C.Todiscussaproblemwithhim.
D.Totellhimaproblemtheymetwith.
25.SectionC
Directions:Inthissection,youwillhearapassagethreetimes.Whenthepassageisreadforthefirsttime,youshouldlistencarefullyforitsgeneralidea.Whenthepassageisreadforthesecondtime,youarerequiredtofillintheblanksnumberedfrom36to43withtheexactwordsyouhavejustheard.Forblanksnumberedfrom44to46youarerequiredtofillinthemissinginformation.Fortheseblanks,youcaneitherusetheexactwordsyouhavejustheardorwritedownthe
聽力原文:可樂的歷史淵源
Howmanyofyoudrinkcola?Nearlyeverybody.Didyouknowthatcolastartedoutnotasasoftdrinkbutasa(36)cureforheadachebackinthelate1800's?JohnS.Pamberton,adruggistfromAtlanta,had(37)experimentedformanymonthstryingtofindacureforthecommonheadache.Heworkedinhisbackyard,mixingandheatingdifferentcombinationsofoilsand(38)flavorsuntilhefoundonethatseemedpromising.Pamberton(39)bottledthemixtureandbegansellingitindrugstoresasa(40)concentratedsyrupthatthecustomerhadtomixwithwaterbeforedrinking.Cola's(41)transformationfromconcentratedsyruptoacarbonatedsoftdrinkcameaboutquitebyaccident.Oneday,acustomercameintoadrugstore(42)complainingofaheadacheandaskedfor(43)abottleofcolasyrup.Hewantedtotakeitrightaway.Soheaskedtheclerktomixthemedicinewhilehewaited.Theclerk,insteadofwalkingtotheotherendofthecountertoget(44)plainwater,suggestedmixingthesyrupwithsodawater.Thecustomeragreed,andafterdrinkingit,(45)remarkedhowgoodittasted.Theclerkcontinuedofferingthemixtureandcarbonatedcolagrewinpopularity.Todaycarbonatedcolasaresoldinmostcountriesaroundtheworld.And(46)althoughtheynolongercontaintheingredientstokillheadaches,theyarestillveryrefreshing.
Howmanyofyoudrinkcola?Nearlyeverybody.Didyouknowthatcolastartedoutnotasasoftdrinkbasa【B1】______forheadachebackinthelate1800's?JohnS.Pamberton,adruggistfromAtlanta,had【B2】______formanymonthstryingtofindacureforthecommonheadache.Heworkedinhisbackyard,mixtureandheatingdifferentcombinationofoilsand【B3】______untilhefoundonethatseemspromising.Pambertpm【B4】______themixtureandbegansellingitindrugstoresasa【B5】______syrupthatthecustomerhadtomixwithwaterbeforedrinking.Cola's【B6】______fromaconcentratedsyruptoacarbonatedsoftdrinkcameaboutquitebyaccident.Oneday,acustomercameintoadrugstore【B7】______ofaheadacheandaskedfor【B8】______.colasyrup.Hewantedtotakeitrightaway.Soheaskedtheclerktomixthemedicinewhilehewaited.Theclerkinsteadofwalkingtotheotherendofthecountertoget【B9】_____________________,suggestedmixingthesyrup.withsodawater.Thecustomeragreed,andafterdrinkingit,【B10】____________________howgoodittasted.Theclerkcontinuedofferingthemixtureandcarbonatedcolagrewinpopularity.Todaycarbonatedcolasaresoldinmostcountriesaroundtheworld.Andalthoughtheynolongercontainthe【B11】______________________tokillheadaches,theyarestillveryrefreshing.
【B1】
26.(32)
A.Afarmer.
B.Apoliceman.
C.Acountrydoctor.
D.Anewspaperreporter.
27.(41)
28.(29)
A.Theyarelesslikelytorunaway.
B.Itiseasierfortheirmastertotrainthemtoperform.specifictasks.
C.Theyarelesslikelytobeshywithotherpetsinthehouse.
D.It'seasierforthemtoform.arelationshipwiththeirmasters.
29.聽力原文:M:Goodmorning.
W:Goodmorning.Haveaseat,please.
M:Thankyou.
W:Ihavebeenlookingthroughyourapplication.Youseemtohavemanyqualificationsneededforthisposition,especiallyexperience.
M:Ihavebeenworkinginhotelsforeightyearsnow.
W:Oh,really.That'sactuallyalongtime.Wereyousatisfiedwithyourlastposition?
M:Tobehonest,notentirely.Thebosswastouchyandhardtogetalongwith.Andchancesforadvancementwerelimited.
W:Isee.Wasithardwork?
M:No,itwasaninterestingjobandIlovedmeetingpeople.Iknewhowtohandleabad-temperedguest.AnyhowI'dliketotrysomethingnew.
W:Buthaveyoueverdoneanythingtodowithtour—tourguides?
M:Ididworkforashorttimeasacourierforatouroperator,takingforeignersonguidedtoursofLondon.Perhapsthat'sthesortofthingyoumean.
W:Yes,Ithinkitis.Doyouspeakanyforeignlanguages?
M:Yes,Ido.IspeakGermanandSpanish—yousee,lspentseveralyearsabroadwhenIwasyoung.
W:Oh,didyou?That'sveryinteresting.Nextquestionissalary,ofcourse.
M:Well,Iusedtoget$2,000monthly,soIcouldn'tacceptlessthanthat.
W:Well,weaskforloyaltyandhardworkfromouremployees.Butwepaywell,andopportunitiesforpromotiondependonmerit,notjustonageorseniority.
M:I'mveryinterestedinworkingforyouragency.AndIdon'tmindhardworkandworkingovertime.
W:That'sfine.Ihaveafewmoreapplicantstointerviewtodayforthisposition.Butatthemoment,yourchanceslookverygood.
M:I'mgladtohearthat.Thankyouforyourtime.
W:Thankyouforcoming.Wewillbeintouchwithyoushortly.
(20)
A.Interviewingajobapplicant.
B.Fillingavacancy.
C.Lookingforatourguide.
D.Applyingforajob.
30.
【B10】
31.(36)
A.Florida.B.Texas.C.Arizona.D.Boulder.
32.
【B7】
33.
【B3】
34.聽力原文:W:Dr.Smith.IneedtoaskyouaboutsomethinginChapter12.Wellittalksabouterosionandthedepositofsedimentonthedeepseafloor,butI'mconfused,because,well,forthattohappentherewouldhavetobesomekindofforcedowntheremovingthemudorsandorwhatever,right.Butlthoughtthereweren'tanywavesorcurrentsthatdeepintheocean.
M:That'snotexactlytrue.It'struethatdeepdownontheoceanfloorwewon'thavethesamekindsofcurrentswefindinshallowerparts.Butwedofindwhatwecallturbiditycurrents.Thiswasn'tinthebookbutthetermcameupinclass.Doyourememberwhatitmeans?
W:Umh,turbiditycurrents?Oh,yeah!Isn'tthatwhensedimentlikesandormudgetsstirredupandmixeswithwaterandthenthismixerkindofflowsthroughthewateraroundit,right?
M:Good!
W:Umh,butIthoughtthatonlyhappenedinrivers.
M:Well,yes.Thisdoesoccurinrivers,butweseeturbiditycurrentsdeepintheoceanaswell.
W:Buthowdotheygetstartedthere?
M:Earthquakesmostly,whenanearthquakeoccursunderwater,itthrowsuptremendous,amountsofmudorsandthatbecomessuspendedinalayerofwaternearthebottomoftheocean.Thislayerissomuchdenserandheavierthanotheroceanwaterthatitflowsrightdowntheslopesoftheoceanfloorandgainsmoreandmorespeedasitmovesalong.Thenit'sjustlikethewindsblowingacrossthedesertpickingupsandfromoneplaceandmovingitalongandfinallydroppingitsomewhereelse.
(23)
A.Earthquake.
B.Turbiditycurrents.
C.Erosionandthedepositofsedimentonthedeepseafloor.
D.Wavesorcurrentsthatdeepintheocean.
35.(15)
A.Hetoldthewomantotakesevencoursesthissemester.
B.Heknewthatthewoman'sschedulewouldbetoodifficultforher.
C.Hiscurrentscheduleisalsoverydemanding.
D.Takingsomanyclasseswillenablethewomantograduateearly.
36.(17)
A.Thewomanlikesarguing,
B.Thewomanshouldgetajob.
C.Thewomanshouldworkinafactory.
D.Thewomanspendstoomuchmoney.
37.
【B2】
38.
【B11】
39.聽力原文:Aperson'ssocialprestigeseemstobedeterminedmainlybyhisorherjob.Occupationsarevaluedinterms,oftheincomesassociatedwiththem,althoughotherfactorscanalsoberelevant-particulartheamountofeducationagivenoccupationrequiresandthedegreeofcontroloverotheritprovides.Theholdersofpoliticalpoweralsotendtohavehighprestige.
Unlikepowerandwealth,whichdonotseemtobebecomingmoreequallyshared,thesymbolsofprestigehavebecomeavailabletoanincreasingnumberofAmericans.Timmainreasonistheradicalchangeinthenatureofjobsoverthecourseofthiscentury.In1900,nearly40percentofthelaborforcewerefarmworkersandlessthan20percentheldwhite-collarjobs.Atthebeginningofthe1980s,however,lessthan5percentofthelaborforceworkedonfarmsandwhite-collarworkerswerethelargestsingleoccupationalcategory.Blue-collarworkers,thelargestcategoryinthemid-fifties,nowconstitutelessthana-thirdofallworkers.TheincreaseintheproportionofhighprestigejobshasallowedamuchgreaternumberofAmericanstoenjoythesestatusesandthelifestyle.thatgowiththem.
(33)
A.Education.B.Wealth.C.Diligence.D.Politicalstatus.
40.聽力原文:M:Doctor,thiscoughmedicinedoesn'tseemtobehelping.Canyougivemeadifferentprescription?
W:Let'sgiveitanotherdayortwotoseehowyouaredoingthen.
Q:Whatdoesthedoctorimply?
(17)
A.She'llbeawayfromtheofficefortwodays.
B.Themanshouldcontinueusingthemedicine.
C.Themandoesn'tneedanythingforhiscough.
D.She'llgivethemananewprescriptionrightaway.
三、4.ReadingComprehension(ReadinginDepth)(20題)41.
Thereisamisconceptionamongconsumersthat,iftheywanttopickouttilebestproducts,theyshould_______.
42.
Thepurposeofthepassageisto______.
A.describetheharmfulairpollution
B.explainthewaytopreventairpollution
C.showtheworriesabouttheairpollution
D.recommendamethodtoavoidairpollution
43.WhatdoweknowaboutextracurricularactivitiesinAmericanhighschools?
A.Studentsareunitedandworktoreachthesamegoal.
B.Therestillexistsprejudiceandracediscrimination.
C.Studentsfromdifferentraceshaveequalaccess.
D.TheyareorganizedaccordingtoAllport'sTheory.
44.
Howshouldanassistantdoinagoodshop?
A.Helpyoutochooseabook.
B.Approachyouwiththeinevitablegreeting.
C.Keephimselfstayingawayuntilyouhavefinishedglancing.
D.Showhisgreatinterestinsellingbook.
45.
【C5】
46.
Whatistheauthor'sviewonpersonality?
A.Personalityisthekeytosuccessinpublicspeaking.
B.Extrovertsarebetterpublicspeakers.
C.Introvertshavetolearnhardertobegoodspeakers.
D.Factorsotherthanpersonalityensurebetterperformance.
47.
Theauthorarguesthatourbodieshavestoppedevolvingbecause______.
A.lifehasbeenimprovedbytechnologicaladvance
B.thenumberoffemalebabieshasbeendeclining
C.thedifferencebetweenwealthandpovertyisdisappearing
D.ourspecieshasreachedthehigheststageofevolution
48.Behaviorismbasicallybelievesin______.
A.motivationB.performanceC.rewardsD.humanfactors
49.
Whatdoes"schoolperformance"(1stinPara.)mean?
A.Students'heschool.
B.Academicperformance.
C.Artshowintheschool.
D.Eventsofaschool.
50.Duringthefirstperiodofdemographichistory,societieswereoftenindangerofextinctionbecause______.
A.onlyoneintenpersonscouldlivepast40
B.therewashighermortalitythanfertilityinmostplaces
C.itwastoodangeroustohavebabiesduetothepoorconditions
D.ourancestorshadlittleenthusiasmformorechildren
51.
WhydoestheauthormentiontheCaliforniagoldrush?
A.Toexplaintheneedforanincreasedsupplyofgold.
B.ToindicatetheextentofUnitedStatesmineralwealth.
C.Todescribethemoodwhenoilwasfirstdiscovered.
D.Toarguethatgoldwasmorevaluablethanoil.
52.SectionB
Directions:Thereare2passagesinthissection.Eachpassageisfollowedbysomequestionsorunfinishedstatements.ForeachofthemtherearefourchoicesmarkedA,B,CandD.Youshoulddecideonthebestchoice.
AreconstructionofanancienttreefromoneofEarth'sfirstforestsrevealsthattheplantsweretoppedwithfronds(蕨類植樹物的葉子)andnotleaves.Thecrown(樹冠)ofanancienttreefoundinaplacefromwhichstoneisdugoutinNewYorkhasshedlightonthelookoftheworld'searliestforestsbelievedtohavethrivedabout390millionyearsago.
Thediscoveryofthis390-millionyes,old,six-footupperportionofanancienttreetrunkallowedscientiststocreateacompositepictureoftheentireplantwhentheyputittogetherwithfragmentsofatrunkfoundinthesamesiteayearbeforeandwithtreestumpsrecoveredmorethan130yearsago.Theremainshavebeenwidelyreportedas"evidenceoftheEarth'soldestforest,"accordingtoapaperpublishedinthisweek'sNature.
"Thebasicpointofthispaperistwothings,"saysleadauthorWilliamStein."Wenowhaveclearevidencewhatthesestumpsreallywere",andwealsohave"realstrongevidenceofthestructureoftheseforms."
Fromthefossilreconstruction,theteamofscientistsdeterminedthatatreecomprisingallthesepartscouldgrowabout30feettall.AccordingtoStein,thebasewouldhavebeenmassive—ontheorderof2.5feetindiameter—andalarge,singletrunkwithverticalridges,toppedbyaleaflesscrownofamaterialresemblingfrondsonferns(蕨類)andpalms.
Bypiecingtogetherthefragments,theteamwasabletogetanideaofwhatforestmighthavelookedlike390millionyearsago.Steinestimatesthesetreeswouldhavebeen"fairlycloselyspaced,"about3to16feetapart,andthattheywouldhavedroppedaloadoffrondsfromtheirbranchesontotheforestfloor.Amongstthesetreeswerelikelysmallerplantsandshrubs.Thesetreeslikelyletmoresunlightthroughthanmodern-daycounterparts,fortheirbranchstructuresdidnotfanoutasfar,forminganumbrella-likeshape.
SteinnotesthattheriseofforestswithtreeslikethesecausedtheremovalofCO2fromtheairandtemperaturestodrop,creatingclimateslikethoseexperiencedtoday.ThedropCO2inlevels,hesays,likelyledtotheevolutionofflatleavesontreestoattractandretainmoreofthegas,whichplantsneed.Upnext,hesays:researchwillfocuson"theinternalstructureoftheplantstoworkouthowtheygrew"aswellas"howtheyfunctionedphysiologically,particularlytherelationshipwithCO2."
WhatcanpeopleknowfromthecrownofanancienttreefoundinNewYork?
A.Ithelpspeopleknowthatancienttreeshavenotrunk.
B.Itprovidesusnewinformationabouttheappearanceoftheearliestforest.
C.Itprovidesevidencefortheexistenceoftrees397millionyearsago.
D.Itprovidesevidenceforthebloomoftrees397millionyearsago.
53.
Whatdoyouthinkofthefinalparagraph?
54.(55)
55.DifferentfromHarvard,manyuniversitiesrequiretheadmittedapplicantsto______.
56.Fromthereporttheresearcherpublished,wecanknowthat______.
A.charterschoolsareboomingtheseyears
B.charterschoolsdeliberatelyadmitthebeststudents
C.thestudentsenteringlotterieshavenodifferenceinintelligence
D.teachingmethodsplayanimportantroleintrainingstudents
57.
Researchuniversitiesstillattachimportancetoresearchinacademicpromotionspartlybecause______.
A.professorswithacademicachievementsareusuallyresponsibleandtough
B.itisdifficulttoconductobjectiveevaluationofteachingquality
C.topstudentswhowanttobechallengedappreciateresearchprofessors
D.researchhelpstoimprovetheeffectivenessofteaching
58.Whatisthepassagemainlyabout?
A.Thewarningagainst"passivedrinking".
B.Differentattitudestowardssmokinganddrinking.
C.TheglobalwaronalcoholabuselaunchedbyWHO.
D.Similaritiesanddifferencesbetweensmokinganddrinking.
59.Advertisementsareaimedatpeoplesufferingfrommildcomplaintsbecause______.
A.theyoftenwatchadsonTV
B.theyaremorelikelytobuythedrugsadvertised
C.theygenerallyleadasedentarylife
D.theydon'ttaketosportsandeasilycatchcolds
60.
The1992LosAngelesriotsbrokeoutbecause________.
A.videocoveragefromhelicoptershadmadepeopleangry
B.videocoveragehadprovidedpowerfulfeedback
C.thejuryacquittedthepolicemenwhohadbeatenRodneyKing
D.peoplecanmaketheirownjudgements
四、5.ErrorCorrection(5題)61.
【S6】
62.
【S7】
63.【S1】
64.
【S10】
65.
【S5】
五、6.Translation(5題)66.____________(電視暴為對(duì)孩子們的影響)isofconcerntomanyparentsandpsychologists.
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