AsGilbertWhite,Darwin,andothersobservedlongago,allspeciesappeartohavetheinnatecapacitytoincreasetheirnumbersfromgenerationtogeneration.Thetaskforecologistsistountangletheenvironmentaandbiologicalfactorsthatholdthisintrinsiccapacityforpopulationgrowthincheckoverthelongrun.Thegreatvarietyofdynamicbehaviorsexhibitedbydifferentpopulationmakesthistaskmoredifficult:sompopulationsremainroughlyconstantfromyeartoyear;othersexhibitregularcyclesofabundanceandscarcity;stillothersvarywildly,withoutbreaksandcrashesthatareinsomecasesplainlycorrelatedwiththeweather,andinothercasesnot.Toimposesomeorderonthiskaleidoscopeofpatterns,oneschoolofthoughtproposesdividingpopulationsintotwogroups.Theseecologistspositthattherelativelysteadypopulationshavedensity-dependentgrowthparameters;thatis,ratesofbirth,death,andmigrationwhichdependstronglyonpopulationdensity.Thehighlyvaryingpopulationshavedensity-independentgrowthparameters,withvitalratesbuffetedbyenvironmentalevents;theseratesfluctuateinawaythatiswhollyindependentofpopulationdensity.Thisdichotomyhasitsuses,butitcancauseproblemsiftakentooliterally.Foronething,nopopulationcanbedrivenentirelybydensity-independentfactorsallthetime.Nomatterhowseverelyorunpredictablybirth,death,andmigrationratesmaybefluctuatingaroundtheirlong-termaverages,iftherewerenodensity-dependenteffects,thepopulationwould,inthelongrun,eitherincreaseordecreasewithoutbound(barringamiraclebywhichgainsandlossescanceledexactly)。Putanotherway,itmaybethatonaverage99percentofalldeathsinapopulationarisefromdensity-independentcauses,andonlyonepercentfromfactorsvaryingwithdensity.Thefactorsmakinguptheonepercentmayseemunimportant,andtheircausemaybecorrespondinglyhardtodetermine.Yet,whetherrecognizedornot,theywillusuallydeterminethelong-termaveragepopulationdensity.Inordertounderstandthenatureoftheecologist’sinvestigation,wemaythinkofthedensity-dependenteffectsongrowthparametersasthesignalecologistsaretryingtoisolateandinterpret,onethattendstomakethepopulationincreasefromrelativelylowvaluesordecreasefromrelativelyhighones,whilethedensity-independenteffectsacttoproducenoiseinthepopulationdynamics.Forpopulationsthatremainrelativelyconstant,orthatoscillatearoundrepeatedcycles,thesignalcanbefairlyeasilycharacterizedanditseffectsdescribed,eventhoughthecausativebiologicalmechanismmayremainunknown.Forirregularlyfluctuatingpopulations,wearelikelytohavetoofewobservationstohaveanyhopeofextractingthesignalfromtheoverwhelmingnoise.Butitnowseemsclearthatallpopulationsareregulatedbyamixtureofdensity-dependentanddensity-independenteffectsinvaryingproportions.
1.Theauthorofthetextisprimarilyconcernedwith
[A]Discussingtwocategoriesoffactorsthatcontrolpopulationgrowthandassessingtheirrelativeimportance.
[B]Describinghowgrowthratesinnaturalpopulationsfluctuateovertimeandexplainingwhythesechangesoccur.
[C]Proposingahypothesisconcerningpopulationsizeandsuggestingwaystotestit.
[D]Posingafundamentalquestionaboutenvironmentalfactorsinpopulationgrowthandpresentingsomecurrentlyacceptedanswer.
2.Itcanbeinferredfromthetextthattheauthorconsidersthedichotomydiscussedtobe
[A]Applicableonlytoerraticallyfluctuatingpopulations.
[B]instrumental,butonlyifitslimitationsarerecognized.
[C]Dangerouslymisleadinginmostcircumstances.
[D]Acompleteandsufficientwaytoaccountforobservedphenomena.
3.tothetext,allofthefollowingbehaviorshavebeenexhibitedbydifferentpopulationsEXCEPT
[A]Roughlyconstantpopulationlevelsfromyeartoyear.
[B]Regularcyclesofincreasesanddecreasesinnumbers.
[C]Erraticincreasesinnumberscorrelatedwiththeweather.
[D]Uncheckedincreasesinnumbersovermanygenerations.
4.Thediscussionconcerningpopulationinthethirdparagraphservesprimarilyto
[A]Demonstratethedifficultiesecologistsfaceinstudyingdensity-dependentfactorslimitingpopulationgrowth.
[B]Advocatemorerigorousstudyofdensity-dependentfactorsinpopulationgrowth.
[C]Provethatthedeathratesofanypopulationareneverentirelydensity-independent.
[D]underlinetheimportanceofevensmalldensity-dependentfactorsinregulatinglong-termpopulationdensities.
5.Inthetext,theauthordoesallofthefollowingEXCEPT
[A]Citetheviewsofotherbiologists.
[B]Defineabasicproblemthatthetextaddresses.
[C]Presentconceptualcategoriesusedbyotherbiologists.
[D]Describetheresultsofaparticularstudy.
BernardBailynhasrecentlyreinterpretedtheearlyhistoryoftheUnitedStatesbyapplyingnewsocialresearchfindingsontheexperiencesofEuropeanmigrants.Inhisreinterpretation,migrationbecomestheorganizingprincipleforrewritingthehistoryofpreindustrialNorthAmerica.Hisapproachrestsonfourseparatepropositions.ThefirstoftheseassertsthatresidentsofearlymodernEnglandmovedregularlyabouttheircountryside;migratingtotheNewWorldwassimplyanaturalspillover.AlthoughatfirstthecoloniesheldlittlepositiveattractionfortheEnglishDtheywouldratherhavestayedhomeDbytheeighteenthcenturypeopleincreasinglymigratedtoAmericabecausetheyregardeditasthelandofopportunity.Secondly,Bailynholdsthat,contrarytothenotionthatusedtoflourishinAmericahistorytextbooks,therewasneveratypicalNewWorldcommunity.Forexample,theeconomicanddemographiccharacterofearlyNewEnglandtownsvariedconsiderably.Bailyn'sthirdpropositionsuggesttwogeneralpatternsprevailingamongthemanythousandsofmigrants:onegroupcameasindenturedservants,anothercametoacquireland.Surprisingly,Bailynsuggeststhatthosewhorecruitedindenturedservantswerethedrivingforcesoftransatlanticmigration.ThesecolonialentrepreneurshelpeddeterminethesocialcharacterofpeoplewhocametopreindustrialNorthAmerica.Atfirst,thousandsofunskilledlaborerswererecruited;bythe1730's,however,Americanemployersdemandedskilledartisans.Finally,Bailynarguesthatthecolonieswereahalf-civilizedhinterlandoftheEuropeanculturesystem.HeisundoubtedlycorrecttoinsistthatthecolonieswerepartofanAnglo-Americanempire.ButtodividetheempireintoEnglishcoreandcolonialperiphery,asBailyndoes,devaluestheachievementsofcolonialculture.Itistrue,asBailynclaims,thathighcultureinthecoloniesnevermatchedthatinEngland.Butwhatofseventeenth-centuryNewEngland,wherethesettlerscreatedeffectivelaws,builtadistinguisheduniversity,andpublishedbooksBailynmightrespondthatNewEnglandwasexceptional.However,theideasandinstitutionsdevelopedbyNewEnglandPuritanshadpowerfuleffectsonNorthAmericanculture.AlthoughBailyngoesontoapplyhisapproachtosomethousandsofindenturedservantswhomigratedjustpriortotherevolution,hefailstolinktheirexperiencewiththepoliticaldevelopmentoftheUnitedStates.Evidencepresentedinhisworksuggestshowwemightmakesuchaconnection.TheseindenturedservantsweretreatedasslavesfortheperiodduringwhichtheyhadsoldtheirtimetoAmericanemployers.Itisnotsurprisingthatassoonastheyservedtheirtimetheypassedupgoodwagesinthecitiesandheadedwesttoensuretheirpersonalindependencebyacquiringland.Thus,itisinthewestthatapeculiarlyAmericanpoliticalculturebegan,amongcolonistswhoweresuspiciousofauthorityandintenselyanti-aristocratic.
1.WhichofthefollowingstatementsaboutmigrantstocolonialNorthAmericaissupportedbyinformationinthetext
[A]AlargerpercentageofmigrantstocolonialNorthAmericacameasindenturedservantsthanasfreeagentsinterestedinacquiringland.
[B]Migrantswhocametothecoloniesasindenturedservantsweremoresuccessfulatmakingalivelihoodthanwerefarmersandartisans.
[C]MigrantstocolonialNorthAmericaweremoresuccessfulatacquiringtheirownlandduringtheeighteenthcenturythanduringtheseventeenthcentury.
[D]Bythe1730's,migrantsalreadyskilledinatradewereinmoredemandbyAmericanemployersthanwereunskilledlaborers.
2.TheauthorofthetextstatesthatBailynfailedto
[A]GivesufficientemphasistotheculturalandpoliticalinterdependenceofthecoloniesandEngland.
[B]DescribecarefullyhowmigrantsofdifferentethnicbackgroundspreservedtheircultureintheUnitedStates.
[C]TakeadvantageofsocialresearchontheexperiencesofcolonistswhomigratedtocolonialNorthAmericaspecificallytoacquireland.
[D]RelatetheexperienceofthemigrantstothepoliticalvaluesthateventuallyshapedthecharacteroftheUnitedStates.
3.Whichofthefollowingbestsummarizestheauthor'sevaluationofBailyn'sfourthproposition
[A]Itistotallyimplausible.
[B]Itispartiallyacceptable.
[C]Itishighlyadmirable.
[D]Itiscontroversialthoughpersuasive.
4.Accordingtothetext,BailynandtheauthoragreeonwhichofthefollowingstatementsaboutthecultureofcolonialNewEngland
[A]HighcultureinNewEnglandneverequaledthehighcultureofEngland.
[B]TheculturalachievementsofcolonialNewEnglandhavegenerallybeenunrecognizedbyhistorians.
[C]ThecolonistsimitatedthehighcultureofEngland,anddidnotdevelopaculturethatwasuniquelytheirown.
[D]ThesoutherncoloniesweregreatlyinfluencedbythehighcultureofNewEngland.
5.TheauthorofthetextwouldbemostlikelytoagreewithwhichofthefollowingstatementsaboutBailyn'swork
[A]BailynunderestimatestheeffectsofPuritanthoughtonNorthAmericanculture.
[B]BailynoveremphasizestheeconomicdependenceofthecoloniesonGreatBritain.
[C]Bailyn'sdescriptionofthecoloniesaspartofanAnglo-Americanempireismisleadingandincorrect.
[D]BailynfailedtotesthispropositionsonaspecificgroupofmigrantstocolonialNorthAmerica.
RogerRosenblatt’sbookBlackFiction,inattemptingtoapplyliteraryratherthansociopoliticalcriteriatoitssubject,successfullyalterstheapproachtakenbymostpreviousstudies.AsRosenblattnotes,criticismofBlackwritinghasoftenservedasapretextforexpoundingonBlackhistory.AddisonGayle’srecentwork,forexample,judgesthevalueofBlackfictionbyovertlypoliticalstandards,ratingeachworkaccordingtothenotionsofBlackidentitywhichitpropounds.Althoughfictionassuredlyspringsfrompoliticalcircumstances,itsauthorsreacttothosecircumstancesinwaysotherthanideological,andtalkingaboutnovelsandstoriesprimarilyasinstrumentsofideologycircumventsmuchofthefictionalenterprise.Rosenblatt’sliteraryanalysisdisclosesaffinitiesandconnectionsamongworksofBlackfictionwhichsolelypoliticalstudieshaveoverlookedorignored.WritingacceptablecriticismofBlackfiction,however,presupposesgivingsatisfactoryanswerstoanumberofquestions.Firstofall,isthereasufficientreason,otherthanthefacialidentityoftheauthors,togrouptogetherworksbyBlackauthorsSecond,howdoesBlackfictionmakeitselfdistinctfromothermodernfictionwithwhichitislargelycontemporaneousRosenblattshowsthatBlackfictionconstitutesadistinctbodyofwritingthathasanidentifiable,coherentliterarytradition.LookingatnovelswrittenbyBlackoverthelasteightyyears,hediscoversrecurringconcernsanddesignsindependentofchronology.Thesestructuresarethematic,andtheyspring,notsurprisingly,fromthecentralfactthattheBlackcharactersinthesenovelsexistinapredominantlywhiteculture,whethertheytrytoconformtothatcultureorrebelagainstit.BlackFictiondoesleavesomeaestheticquestionsopen.Rosenblatt’sthematicanalysispermitsconsiderableobjectivity;heevenexplicitlystatesthatitisnothisintentiontojudgethemeritofthevariousworksDyethisreluctanceseemsmisplaced,especiallysinceanattempttoappraisemighthaveledtointerestingresults.Forinstance,someofthenovelsappeartobestructurallydiffuse.Isthisadefect,oraretheauthorsworkingoutof,ortryingtoforge,adifferentkindofaestheticInaddition,thestyleofsomeBlacknovels,likeJeanToomey’sCane,vergesonexpressionismorsurrealism;doesthistechniqueprovideacounterpointtotheprevalentthemethatportraysthefateagainstwhichBlackheroesarepitted,athemeusuallyconveyedbymorenaturalisticmodesofexpressionInspiteofsuchomissions,whatRosenblattdoesincludeinhisdiscussionmakesforanastuteandworthwhilestudy.BlackFictionsurveysawidevarietyofnovels,bringingtoourattentionintheprocesssomefascinatingandlittle-knownworkslikeJamesWeldonJohnson’sAutobiographyofanEx-ColoredMan.Itsargumentistightlyconstructed,anditsforthright,lucidstyleexemplifieslevelheadedandpenetratingcriticism.
1.Theauthorofthetextisprimarilyconcernedwith__________.
[A]Evaluatingthesoundnessofaworkofcriticism.[B]Comparingvariouscriticalapproachestoasubject.
[C]Discussingthelimitationsofaparticularkindofcriticism.
[D]Summarizingthemajorpointsmadeinaworkofcriticism.
2.TheauthorofthetextbelievesthatBlackFictionwouldhavebeenimprovedhadRosenblatt__________.
[A]EvaluatedmorecarefullytheideologicalandhistoricalaspectsofBlackfiction.
[B]AttemptedtobemoreobjectiveinhisapproachtonovelsandstoriesbyBlackauthors.
[C]ExploreingreaterdetailtherecurrentthematicconcernsofBlackfictionthroughoutitshistory.
[D]Assessedtherelativeliterarymeritofthenovelsheanalyzesthematically.
3.author’sdiscussionofBlackFictioncanbebestdescribedas__________.
[A]Pedanticandcontentious.
[B]Criticalbutadmiring.
[C]Ironicanddeprecating.
[D]Argumentativebutunfocused.authorofthetextemploysallofthefollowinginthediscussionofRosenblatt’s
4.bookEXCEPT:__________.
[A]Rhetoricalquestions.
[B]Specificexamples.
[C]Comparisonandcontrast.
[D]Definitionofterms.
5.TheauthorofthetextreferstoJamesWeldonJohnson’sAutobiographyofanEx-ColoredManmostprobablyinorderto__________.
[A]pointoutaffinitiesbetweenRosenblatt’smethodofthematicanalysisandearliercriticism.
[B]Clarifythepointaboutexpressionisticstylemadeearlierinthepassage.
[C]QualifytheassessmentofRosenblatt’sbookmadeinthefirstparagraphofthepassage.
[D]giveaspecificexampleofoneoftheaccomplishmentsofRosenblatt’swork.
Themajorityofsuccessfulseniormanagersdonotcloselyfollowtheclassicalrationalmodeloffirstclarifyinggoals,assessingtheproblem,formulatingoptions,estimatinglikelihoodsofsuccess,makingadecision,andonlythentakingactiontoimplementthedecision.Rather,intheirday-by-daytacticalmaneuvers,theseseniorexecutivesrelyonwhatisvaguelytermedintuitiontomanageanetworkofinterrelatedproblemsthatrequirethemtodealwithambiguity,inconsistency,novelty,andsurprise;andtointegrateactionintotheprocessofthinking.Generationsofwritersonmanagementhaverecognizedthatsomepracticingmanagersrelyheavilyonintuition.Ingeneral,however,suchwritersdisplayapoorgraspofwhatintuitionis.Someseeitastheoppositeofrationality;othersviewitasanexcuseforcapriciousness.Isenberg'srecentresearchonthecognitiveprocessesofseniormanagersrevealsthatmanagers'intuitionisneitherofthese.Rather,seniormanagersuseintuitioninatleastfivedistinctways.First,theyintuitivelysensewhenaproblemexists.Second,managersrelyonintuitiontoperformwell-learnedbehaviorpatternsrapidly.Thisintuitionisnotarbitraryorirrational,butisbasedonyearsofpainstakingpracticeandhands-onexperiencethatbuildskills.Athirdfunctionofintuitionistosynthesizeisolatedbitsmofdataandpracticeintoanintegratedpicture,ofteninanAha!experience.Fourth,somemanagersuseintuitionasacheckontheresultsofmorerationalanalysis.Mostseniorexecutivesarefamiliarwiththeformaldecisionanalysismodelsandtools,andthosewhousesuchsystematicmethodsforreachingdecisionsareoccasionallyleeryofsolutionssuggestedbythesemethodswhichruncountertotheirsenseofthecorrectcourseofaction.Finally,managerscanuseintuitiontobypassin-depthanalysisandmoverapidlytoengenderaplausiblesolution.Usedinthisway,intuitionisanalmostinstantaneouscognitiveprocessinwhichamanagerrecognizesfamiliarpatterns.Oneoftheimplicationsoftheintuitivestyleofexecutivemanagementisthatthinkingisinseparablefromacting.Sincemanagersoftenknowwhatisrightbeforetheycananalyzeandexplainit,theyfrequentlyactfirstandexplainlater.Analysisisinextricablytiedtoactioninthinking/actingcycles,inwhichmanagersdevelopthoughtsabouttheircompaniesandorganizationsnotbyanalyzingaproblematicsituationandthenacting,butbyactingandanalyzingincloseconcert.Giventhegreatuncertaintyofmanyofthemanagementissuesthattheyface,seniormanagersofteninstigateacourseofactionsimplytolearnmoreaboutanissue.Theythenusetheresultsoftheactiontodevelopamorecompleteunderstandingoftheissue.Oneimplicationofthinking/actingcyclesisthatactionisoftenpartofdefiningtheproblem,notjustofimplementingthesolution.
1.Accordingtothetext,seniormanagersuseintuitioninallofthefollowingwaysEXCEPTto
[A]Speedupofthecreationofasolutiontoaproblem.
[B]Identifyaproblem.
[C]Bringtogetherdisparatefacts.
[D]Stipulatecleargoals.
2.Thetextsuggestswhichofthefollowingaboutthewritersonmanagementmentionedinline1,paragraph2
[A]Theyhavecriticizedmanagersfornotfollowingtheclassicalrationalmodelofdecisionanalysis.
[B]Theyhavenotbasedtheiranalysesonasufficientlylargesampleofactualmanagers.
[C]Theyhavereliedindrawingtheirconclusionsonwhatmanagerssayratherthanonwhatmanagersdo.
[D]Theyhavemisunderstoodhowmanagersuseintuitioninmakingbusinessdecisions.
3.ItcanbeinferredfromthetextthatwhichofthefollowingwouldmostprobablybeonemajordifferenceinbehaviorbetweenManagerX,whousesintuitiontoreachdecisions,andManagerY,whousesonlyformaldecisionanalysis
[A]ManagerXanalyzesfirstandthenacts;ManagerYdoesnot.
[B]ManagerXcheckspossiblesolutionstoaproblembysystematicanalysis;ManagerYdoesnot.
[C]ManagerXtakesactioninordertoarriveatthesolutiontoaproblem;ManagerYdoesnot.
[D]ManagerYdrawsonyearsofhands-onexperienceincreatingasolutiontoaproblem;ManagerXdoesnot.
4.Thetextprovidessupportforwhichofthefollowingstatements
[A]Managerswhorelyonintuitionaremoresuccessfulthanthosewhorelyonformaldecisionanalysis.
[B]Managerscannotjustifytheirintuitivedecisions.
[C]Managers''intuitionworkscontrarytotheirrationalandanalyticalskills.
[D]Intuitionenablesmanagerstoemploytheirpracticalexperiencemoreefficiently.
5.Whichofthefollowingbestdescribestheorganizationofthefirstparagraphofthetext
[A]Anassertionismadeandaspecificsupportingexampleisgiven.
[B]Aconventionalmodelisdismissedandanalternativeintroduced.
[C]Theresultsofrecentresearchareintroducedandsummarized.
[D]Twoopposingpointsofviewarepresentedandevaluated.
Californiaisalandofvarietyandcontrast.Almosteverytypeofphysicallandfeature,sortofarcticicefieldsandtropicaljunglescanbefoundwithinitsborders.Sharplycontrastingtypesoflandoftenlieveryclosetooneanother.PeoplelivinginBakersfield,forinstance,canvisitthePacificOceanandthecoastalplain,thefertileSanJoaquinValley,thearidMojaveDesert,andthehighSierraNevada,allwithinaradiusofabout100miles.Inotherareasitispossibletogosnowskiinginthemorningandsurfingintheeveningofthesameday,withouthavingtotravellongdistance.ContrastaboundsinCalifornia.ThehighestpointintheUnitedStates(outsideAlaska)isinCalifornia,andsoisthelowestpoint(includingAlaska)。MountWhitney,14,494feetabovesealevel,isseparatedfromDeathValley,282feetbelowsealevel,byadistanceofonly100miles.Thetwoareashaveadifferenceinaltitudeofalmostthreemiles.Californiahasdeep,clearmountainlakeslikeLakeTahoe,thedeepestinthecountry,butitalsohasshallow,saltydesertlakes.IthasLakeTulainyo,12,020feetabovesealevel,andthelowestlakeinthecountry,theSaltonSea,236feetbelowsealevel.Someofitslakes,likeOwensLakeinDeathValley,arenotlakesatall:theyaredrieduplakebeds.Inadditiontomountains,lakes,valleys,deserts,andplateaus,CaliforniahasitsPacificcoastline,stretchinglongerthanthecoastlinesofOregonandWashingtoncombined.
1.WhichofthefollowingisthelowestpointintheUnitedStates?
A.LakeTulainyoB.MojavedesertC.DeathValleyD.TheSaltonSea
2.WhereisthehighestpointintheUnitedStateslocated?
A.LakeTahoe.
B.SierraNevada.C.MountWhitney.
D.Alaska.
3.HowfarawayisDeathValleyfromMountWhitney?
A.About3miles.
D.14,494feet.
4.WhichofthefollowingisNOTmentionedinthepassageasbeingwithinaradiusofabout100milesofBakersfield?
A.ThePacificOcean.
B.SanJoaquinValley.
C.MojaveDesert.
D.OregonandWashington.
5.WhichstatementbestdemonstratesthatCaliforniaisalandofvarietyandcontrast?
A.ThehighestlakeinCaliforniaisLakeTulainyo.
B.ItispossibletogosurfingandsnowskiinginsomepartsofCaliforniawithouthavingtotravellongdistance.
C.SierraNevada,SanJoaquinValley,MojaveDesertandthePacificOceanallliewithinaradiusofabout100miles.
D.OwensLake,inDeathValley,isnotreallyalakeatall.