〖精选文档〗2015年北师大大学考博英语真题试卷.doc

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〖精选文档〗2015年北师大大学考博英语真题试卷
2015年北京师范大学考博英语真题试卷
(总分68,做题时间90分钟)

-:outer,middle,,,suchasthevocalcordsofaspeakingperson,,amembraneonthesurfaceofthecochlea,,—aswhentheheadbendsforward—'snewposition.
1.
Whatcanbeinferredabouttheorgansforhearingandbalance?
ABothorgansevolvedinhumansatthesametime.
BBothorganssendnerveimpulsestothebrain.
CBothorganscontainthesameamountoffluid.
DBothorgansarelocatedinmeear'smiddleregion.
2.
HearinginvolvesallofthefollowingEXCEPT______.
Amotionofthevocalcordssothattheyvibrate
Bstimulationofhaircellsinfluid-filledchannels
Camplificationofsoundvibrations
〖精选文档〗2015年北师大大学考博英语真题试卷
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〖精选文档〗2015年北师大大学考博英语真题试卷
Dconversionofwaveenergyintonerveimpulses
3.
ItcanbeinferredfromParagraphs2and3thatthecochleaisapartof______.
Atheouterear
Bmeeardrum
Cthemiddleear
Dtheinnerear
4.
WhatcanbeinferredfromParagraph4aboutgravity?
AGravityhasanessentialroleinthesenseofbalance.
BTheearconvertsgravityintosoundwavesintheair.
CGravityisaforcethatoriginatesinthehumanear.
DTheorganforhearingisnotsubjecttogravity.
5.
Inthispassage,theauthormainlyexplains______.
Atheorgansofthehumanear
Bthefunctionofthehearing
Cthethreeregionsoftheear
Dhowtheearorganperformsthehearingandbalance
ThegeologyoftheEarth',liquid,andgaseousstates,,transports,,watervaporformsclouds,:,thewatertricklesdowntoformbrooks,streams,andrivers,:—atmosphere,continent,andocean—,onanaverage,elevendaysintheatmosphere,,sodium,potassium,,iron,andsiliconstaywheretheyareandformthethin,,.
〖精选文档〗2015年北师大大学考博英语真题试卷
〖精选文档〗2015年北师大大学考博英语真题试卷
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〖精选文档〗2015年北师大大学考博英语真题试卷
6.
Accordingtothepassage,cloudsareprimarilyformedbywater______.
Aprecipitatingontotheground
Bchangingfromasolidtoaliquidstate
Cevaporatingfromtheoceans
Dbeingcarriedbywind
7.
Thepassagesuggeststhatthepurposeofthe"hydrographicnetwork"isto______.
Adeterminethesizeofmoleculesofwater
Bpreventsoilerosioncausedbyflooding
CmovewaterfromtheEarth'ssurfacetotheoceans
Dregulatetherateofwaterflowfromstreamsandrivers
8.
Whatdeterminestherateatwhichamoleculeofwatermovesthroughthecycle,asdiscussedinthethirdparagraph?
AThepotentialenergycontainedinwater.
BTheeffectsofatmosphericpressureonchemicalcompounds.
CTheamountsofrainfallthatfallonthecontinents.
DTherelativesizeofthewaterstorageareas.
9.
AllofthefollowingareexamplesofsolubleionsEXCEPT______.
Amagnesium
Biron
Cpotassium
Dcalcium
10.
Theword"efficiency"inline21isclosestinmeaningto______.
Arelationship
Bgrowth
Cinfluence
Deffectiveness
〖精选文档〗2015年北师大大学考博英语真题试卷
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〖精选文档〗2015年北师大大学考博英语真题试卷
,animbalancethatpullsthestarapartoveraperiodofminutesorhours,-PierreLuminetoftheObservatoiredeParisinMeudon,France,carriedoutcomputersimulationsofthefinalmomentsofsuchanunfortunatestar'slife,,,andfoundthatevenwhentheireffectsareincluded,theconditionsfavoranuclearexplosion."Therewillbeanexplosionofthestar—itwillbecompletelydestroyed,",itsavessomeofthestar''smatteroutoftheblackhole'sreach,,,,releasingultravioletlightandX-,thentheycouldinprincipleallowtheseeventstobedetectedatamuchearlierstage,saysJulesHatpernofColumbiaUniversityinNewYork,US2."Itmaymakeitpossibletoseethedisruptionofthatstarimmediatelyifitgetshotenough,"."PerhapsitcanbeobservedintheX-raysandgammarays,butit'ssomethingthatneedstobemorestudied,",NewMexico,US3,saysthedeathsofthesestarsaredifficulttosimulate,andheisnotsurewhethertheresearchershaveproventheircasethattheyexplodeintheprocess.
11.
?
ATheblackholecouldtearapartthestar.
〖精选文档〗2015年北师大大学考博英语真题试卷
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〖精选文档〗2015年北师大大学考博英语真题试卷
BTheblackholecouldtriggeranuclearexplosioninthestar.
CTheblackholecoulddwindleitssizeconsiderably.
DTheblackholecoulddevourthestar.
12.
Accordingtothethirdparagraph,researchersdifferedfromeachotherintheproblemof______.
Awhethernuclearreactionwouldoccur
Bwhetherthestarswouldincreaseitsdensityandtemperature
Cwhethershockwaveswouldoccur
Dwhethertheunevenforceswouldflattenthestars
13.
Accordingtothefourthparagraph,whichofthefollowingisNOTtrue?
ANonuclearexplosionwouldbetriggeredinsidethestar.
BThestarwouldbedestroyedcompletely.
CMuchofthestar'smatterthrownbytheexplosionwouldbebeyondtheblackhole'sreach.
DTheblackholewouldcompletelydevourthestar.
14.
Whatwillhappenseveralmonthsaftertheexplosionofthestar?
AThestar'smatterwillmovefurtherawayfrombytheblackhole.
BTheblackhole'smatterwillheatup.
CThetornstar'smatterwillswirlintotheblackhole.
DTheblackhole'smatterwillreleaseultravioletlightandX-rays.
15.
Accordingtothecontext,theword"disruption"inParagraph6means______.
Aconfusion
Btearingapart
Cinterruption
Dflattening
-byeisthewaytosummonapersonfromthePhilippinestoone'sside,orthatinItalyandsomeLatin-Americancountries,"Gift",weliketothinkofourselvesasfriendly,yetweprefertobeatleast3feetoranarm',,gestures,customsandlanguagesofothercountries,aremakinguslosefriends,,;,andmultilingualwaiters,,—usuallythericher—,aswellasthenation'sdiplomacy,,,,;wewanttohaveahandintheimportantdecisionsofthenextcentury,eventhoughitmaynotalwaysbetheupperhand.
〖精选文档〗2015年北师大大学考博英语真题试卷
〖精选文档〗2015年北师大大学考博英语真题试卷
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〖精选文档〗2015年北师大大学考博英语真题试卷
16.
ItcanbeinferredthatAmericansbeingapproachedtoocloselybyMiddleEasternerswouldmostprobably______.
Astandstill
Bjumpaside
Cstepforward
Ddrawback
17.
TheauthorgivesmanyexamplestocriticizeAmericansfortheir______.
Aculturalself-centeredness
Bcasualmanners
Cindifferencetowardsforeignvisitors
Darrogancetowardsothercountries
18.
IncountriesotherthantheirownmostAmericans______.
Aareisolatedbythelocalpeople
Barenotwellinformedduetothelanguagebarrier
Ctendtogetalongwellwiththenatives
Dneedinterpretersinhotelsandrestaurants
19.
Accordingtotheauthor,Americans'culturalblindnessandlinguisticignorancewill______.
Aaffecttheirimageinthenewera
〖精选文档〗2015年北师大大学考博英语真题试卷
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〖精选文档〗2015年北师大大学考博英语真题试卷
Bcutthemselvesofffromtheoutsideworld
Climittheirroleinworldaffairs