階梯難度訓(xùn)練營(yíng)作業(yè)

打卡第十三天：深不可測(cè)（答案請(qǐng)用紅色標(biāo)出Historian:IntheDrnEmpire,censuseswereconductedannuallytodeterminethepopulationofeachvillage.Villagecensusrecordsforthelasthalfofthe1600'sareremarkablycomplete.Thisverycompletenessmakesonepointstandout;infivedifferentyears,villagesoverwhelminglyreportedsignificantpopulationdeclines.lingly,eachofthosefiveyearsimmediayfollowedanincreaseinacertainDrntax.Thistax,whichwasassessedonvillages,wascomputedbythecentral ernmentusingtheannualcensusfigures.Obviously,wheneverthetaxwentup,villageshadanespeciallypowerfuleconomicincentivetominimizethenumberofpeopletheyrecorded;andconcealingthesizeofavillage'spopulationfrom ernmentcensustakerswouldhavebeeneasy.Therefore,itisreasonabletothinkthatthereporteddeclinesdidnothappen.Inthehistorian'sargument,thetwoportionsinboldface ywhichofthefollowingroles?AThefirst sacontextforthehistorian'sargument;thesecondacknowledgesaconsiderationthathasbeenusedtoargueagainstthepositionthehistorianseekstoestablish.ABThefirstpresentsevidencetosupportthepositionthatthehistorianseekstoestablish;thesecondacknowledgesaconsiderationthathasbeenusedtoargueagainstthatposition.BCThefirstprovidesacontextforcertainevidencethatsupportsthepositionthatthehistorianseekstoestablish;thesecondisthatposition.CDThefirstisapositionforwhichthehistorianargues;thesecondisanassumptionthatservesasthebasisofthatargument.DEThefirstisanassumptionthatthehistorianexplicitlymakesinarguingforacertainposition;thesecondacknowledgesaconsiderationthatcallsthatassumptionintoquestion.EWhichofthefollowingmostlogicallycompletestheAcertaincultivatedherbisoneofagroupofcloselyrelatedntsthatthriveinsoilwithhighconcentrationsofmetalsthataretoxictomostothernts.Agronomistsstudyingtheherbhavediscoveredthatitproduceslargeamountsofhistidine,anaminoacidthat,intest-tubesolutions,rendersthesemetalschemicallyinert.Possibly,therefore,theherb'shighhistidineproductioniswhatallowsittogrowinmetal-richsoils,ahypothesisthatwouldgainsupportif AhistidineAhistidineisfoundinallpartsofAnt-roots,stem,leaves,and分Btheherb'shighlevelofhistidineproductionisfoundtobeassociatedwithanunusuallylowlevelofproductionofotheraminoacidsBCothersofthecloselyrelatedgroupof ntsarealsofoundtoproducehistidineinlarge CDcultivationoftheherbinsoilwithhighconcentrationsofthemetalswill,overanextendedperiod,makethesoilsuitablefor ntstowhichthemetalsareDEtheconcentrationofhistidineinthegrowingherbdeclinesasthe approachesmaturityEEuropeangreencrabsareaninvasivespecieswhichhaverecentlycolonizedtheNorthwestcoastofNorthAmerica,amongotherces.Theydisruptecosystemsandpreyheavilyonnativesfish.However,inEurope,thepopulationofgreencrabsiskeptrelativelylowbyaparasiticbarnaclecalledSacculinacarcini.ThisbarnacleishardyandcouldlikelybeintroducedtoareaswheretheEuropeangreencrabthreatenstoruinestablishedWhichofthefollowing,iftrue,moststronglysupportstheargumentthatitwouldNOTbeadvisabletoattempttoeliminateEuropeangreencrabsfromtheNorthwestcoastofNorthAmericabyintroducingtotheareatheparasiticbarnaclediscussedabove?AIntheirnativehabitat,theparasitesoftenthreatentheeliminationoflocalgreencrabpopulations.ABEuropeangreencrabsarealsooccasionallypreyeduponbyfishes,gullsandotherspeciesofcrabintheirnativeecosystems.BCThoughtheparasitemaysurviveinNorthAmericanwaters,nolarge-scalefacilityforbreedingandharvestingtheparasitesexistsasofyet.CDManyotherinvasivespeciesontheNorthwestcoastofNorthAmericaarenotsuitablehostsforthisparasite.DEThoughthebarnaclecannotreproduceinsideofnativeshorecrabs,itcanstillinfectandkillnativeshorecrabs.EThesenseofdelayedgratification,ofworkingnowforlaterpleasure,hashelpedshapetheeconomicbehaviorofoursociety.However,thatsenseisnolongernurturedasconsistentlyinourchildrenasitoncewas.Forexample,itusedtotakeabitofpatiencetoputtogetherthetoysthatchildrengotincerealboxes;nowthetoyscomefromtheboxeswhole.WhichofthefollowingisanassumptionofthepassageATheAThetoysincerealboxeshavechangedpartlybecausetheeconomicconditionsofoursocietyhaveimproved.ABTheinfluenceofpromotiongimmicksontheeconomicbehaviorofoursocietyhasincreasedovertheyears.BCThetoysthatusedtocomeincerealboxeswereputtogetherbythesamechildrenwho yedwiththem.CDPartofthepleasureofanytoylieinputtingthetoytogetherbefore withit.DEToday'schildrendonotexpectasingletoytoprovidepleasureforalongperiodoftime.ECodexBerinensis,aFlorentinecopyofanancientRomanmedicaltreatise,isundatedbutcontainscluestowhenitwasproduced.Itsfirst80pagesarebyasinglecopyist,buttheremaining20pagesarebythreedifferentcopyists,whichindicatessomesignificantdisruption.SincealetterinhandwritingidentifiedasthatofthecopyistmentionsathatkilledmanypeopleinFlorencein1148,CodexBerinensiswasprobablyproducedinthatWhichWhichofthefollowing,iftrue,moststronglysupportsthehypothesisthatCodexBerinensiswasproducedin1148?AOtherthanCodexBerinensis,therearenoknownsamplesofthehandwritingofthefirstthreecopyists.ABAccordingtotheaccountbytheBcopyist,wentonforCAscribewouldbeabletocopyapageoftextthesizeandstyleofCodexBerinensisinaday.CDTherewasonlyoneoutbreak inFlorenceintheDEThenumberofpagesofCodexBerinensisproducedbyasinglescribeessmallerwitheachsuccessivechangeofcopyist.E6Manatees,aquaticm lsinhabitingFlorida'sriversandcoastalwaters,swimclosetothesurfaceandarefrequentlykilledincollisionswithboats.Toaddresstheproblem,boattrafficinmanatee-populatedwatersisbeingrequiredtomaintainverylowspeeds.Unfortunay,manateesareunabletohearlow-pitchedsoundsandaboat'ssoundlowersinpitchastheboatslows.Therefore,thisapproachmayinfactmakethingsworseratherthanbetter.Whichofthefollowing,iftrue,castsmostdoubtontheATheareaswhereboatswouldhavetomaintainlowspeedsweredecidedpartlyATheareaswhereboatswouldhavetomaintainlowspeedsweredecidedpartlyonthebasisofmanatee-populationestimatesandpartlyfromnumbersofreportedcollisionsbetweenmanateesandboats.ABBecausethewaterhyacinththatmanateesfeedongrowsbestinwaterthatisnearlystill,waterhyacinthbedscanbedisturbedordamagedbyfast-movingboatBCOverthelastseveraldecades,boattrafficinFlorida'scoastalwatershasbeenincreasingalmostcontinuouslyandnowrepresentsthegreatestthreattotheendangeredmanateepopulation.CDThesoundofaboatenginegenerallytravelsmuchfurtherunderwaterthanitdoesthroughtheair.DEWhenexperimentersexposedmanateestotherecordedsoundsofboatsmovingatvariousspeeds,thecreatureswereunabletodiscernthesoundsovernormalbackgroundnoise.EBackgroundinformation:Thisyear,eachfilmsubmittedtotheBarbizonFilmFestivalwassubmittedinoneoftencategories.Foreachcategory,therewasapanelthatdecidedwhichsubmittedfitoaccept.Fact1:Withineachcategory,therateofacceptancefordomesticfiwasthesameasthatforforeignfi.Fact2:Theoverallrateofacceptanceofdomesticfiwassignificantlyhigherthanthatofforeignfi.AIneachcategory,theselectionpanelwascomposedoffilmmakers,andsomeselectionpanelsincludednoforeignfilmmakers.ABSignificantlyAIneachcategory,theselectionpanelwascomposedoffilmmakers,andsomeselectionpanelsincludednoforeignfilmmakers.ABSignificantlymoredomesticfiBthanforeignweresubmittedtoCIneachofthepastthreeyears,theoverallacceptanceratewashigherforeignthanfordomesticfiC,ethathadupsetsomeDThenumberoffi tobeselectedineachcategorywaspredetermined,butinnocategorywasitrequiredthattheacceptancerateofforeignfi equalthatofdomesticfi DEMostforeignfi ,unlikemostdomesticfi ,weresubmittedincategorieswithhighprestige,butwithcorrespondinglylowratesofacceptance.EAshortageofordersforMantoAircraft'sairlinershasledyststopredictthatthemanufacturerwillhavetolayworkers.theneworderthatconsolidatedairlineshasjustmadefor20ofManto'smodelTXjetsdoesnotprovideareasonfortheyststorevisetheirpredictions,becausesimultaneouslywithitsneworder,consolidatedcanceleditsexistingorderforanequalnumberofmanto'slarger,moreexpensivemodelZjets.Whichofthefollowing,iftrue,mostseriouslyweakenstheAMantoAMantoreliesmoreheavilyonoutsidesubcontractorstoprovidethelabortomanufacturetheModelZthanitdoestheModelTXA選項(xiàng)BTheMantoemployeeswhocurrentlyworktomanufacturethemodelZareNotproficientatmanufacturingthemodelTXB選項(xiàng)CMantoincludesallrequiredmaintenanceworkforthefirstfiveyearsinthepriceofeachjetitsells.C選項(xiàng)DMantohashadtolayoffworkersseveraltimeswithinthepasttenyearsbuthastypicallyrehiredmanyoftheworkerswhenitsubsequentlyreceivednewD選項(xiàng)EAlargenumberoftheairlinersinconsolidated’sfleetareatthebeginningoftheirexpectedservicelifeE選項(xiàng)Itiswidelyassumedthatpeopleneedtoengageininlectualactivitiessuchassolvingcrosswordpuzzlesormathematicsproblemsinordertomaintainmentalsharpnessastheyage.Infact,however,simplytalkingtootherpeople－thatis,participatinginsocialin ction,whichengagesmanymentalandperceptualskills－suffices.Evidencetothiseffectcomesfromastudyshowingthatthemoresocialcontactpeoplereport,thebettertheirmentalskills.AAspeoplegrowoldertheyareoftenadvisedtokeepexercisingtheirphysicalandmentalcapacitiesinordertomaintainorimprovethem.AAspeoplegrowoldertheyareoftenadvisedtokeepexercisingtheirphysicalandmentalcapacitiesinordertomaintainorimprovethem.A選項(xiàng):BManymedicalconditionsandtreatmentsthatadverselyaffect mentalsharpnessalsotendtoincreaseB選項(xiàng)CManypeopleareproficientbothinsocialinmathematicalproblems.C選項(xiàng)DThestudydidnotitselfcollectdatabutfrompriorstudies.D選項(xiàng)'ssocialctionsandinyzeddatabearingontheEThetasksevaluatingmentalsharpnessforwhichdatawerecompiledbythestudyweremoreakintomathematicsproblemsthantoconversation.E選項(xiàng)Drugmanufacturer:evisionaudiencesaresuretorealizethatthe mendingourbrandofcoughsyrupinouradvertisementisactuallyanactoryingarole.Hencetheywillnotce