打卡第八天：了然于胸（答案請(qǐng)用紅色標(biāo)出WhichofthefollowingbestcompletesthepassageAtarecentconferenceonenvironmentalthreatstotheNorthSea,mostparticipatingcountriesfavoreduniformcontrolsonthequalityofeffluents,whetherornotspecificenvironmentaldamagecouldbeattributedtoaparticularsourceofeffluent.Whatmust,ofcourse,beshown,inordertoavoidexcessivelyrestrictivecontrols,isthat.AanyuniformcontrolsthatareadoptedarelikelytobeimplementedwithoutBanysubstancetobemadesubjecttocontrolscanactuallycauseenvironmentaldamageCthecountriesfavoringuniformcontrolsarethosegeneratingthelargesttiesofeffluentsDallofanygivenpollutantthatistobecontrolledactuallyreachestheNorthSeaatpresentEenvironmentaldamagealreadyinflictedontheNorthSeaisGortlandhaslongbeennarrowlyself-sufficientinbothgrainandmeat.However,aspercapita einGortlandhasrisentowardtheworldaverage,percapitaconsumptionofmeathasalsorisentowardtheworldaverage,andittakesseveralpoundsofgraintoproduceonepoundofmeat.Therefore,sincepercapita econtinuestorise,whereasdomesticgrainproductionwillnotincrease,Gortlandwillsoonhavetoimporteithergrainormeatorboth.WhichofthefollowingisanassumptiononwhichtheargumentAThetotalacreagedevotedtograinproductioninGortlandwillnotdecreaseBThepopulationofGortlandhasremainedrelativelyconstantduringthecountry'syearsofgrowingprosperity.CThepercapitaconsumptionofmeatinGortlandisroughlythesameacross elevels.DInGortland,neithermeatnorgrainissubject ernmentpriceEPeopleinGortlandwhoincreasetheirconsumptionofmeatwillnotradicallydecreasetheirconsumptionofgrain.Becausepostageratesarerising,HomeDecoratormagazineplansizeitsprofitsbyreducingbyone-halfthenumberofissuesitpublisheseachyear.Thequalityofarticles,thenumberofarticlespublishedperyear,andthesubscriptionpricewillnotchange.Marketresearchshowsthatneithersubscribersnoradvertiserswillbelostifthemagazine'splanisinstituted.Whichofthefollowing,iftrue,providesthestrongestevidencethatthemagazine'sprofitsarelikelytodeclineiftheplanisinstituted?AWiththenewpostagerates,atypicalissueundertheproposedplanwouldcostaboutone-thirdmoretomailthanatypicalcurrentissuewould.BThemajorityofthemagazine'ssubscribersarelessconcernedaboutapossiblereductioninthetyofthemagazine'sarticlesthanaboutapossiblelossofthecurrenthighqualityofitsarticles.CManyofthemagazine'slong-timesubscriberswouldcontinuetheirsubscriptionsevenifthesubscriptionpricewereincreased.DMostoftheadvertisersthatpurchaseadvertisingspaceinthemagazinewillcontinuetospendthesameamountonadvertisingperissueastheyhaveinthepast.EProductioncostsforthemagazineareexpectedtoremainParasiticwaspslaytheireggsdirectlyintotheeggsofvarioushostinsectsinexactlytherightnumbersforanysuitablesizeofhostegg.Iftheylaidtoomanyeggsinahostegg,thedevelowasplarvaewouldcompetewitheachothertothedeathfornutrientsandspace.Iftoofeweggswerelaid,portionsofthehosteggwoulddecay,killingthewasplarvae.WhichofthefollowingconclusionscanproperlybedrawnfromtheinformationAThesizeofthesmallesthosteggthatawaspcouldtheoreticallyparasitizecanbedeterminedfromthewasp'segg-layingbehavior.BHostinsectslackanyeffectivedefensesagainsttheformofpredationpracticedbyparasiticwasps.CParasiticwaspslearnfromexperiencehowmanyeggstolayintotheeggsofdifferenthostspecies.DFailuretolayenougheggswouldleadtothedeathofthedevelowasplarvaemorequicklythanwouldlayingtoomanyeggs.EParasiticwaspsusevisualcluestocalculatethesizeofahostYeastscapableofleaveningbreadarewidespread,andinthemanycenturiesduringwhichtheancientEgyptiansmadeonlyunleavenedbread,suchyeastsmustfrequentlyhavebeenmixedintobreaddoughsaccidentally.TheEgyptians,however,didnotdiscoverleavenedbreaduntilabout3000B.C.Thatdiscoveryroughlycoincidedwiththeintroductionofawheatvarietythatwaspreferabletopreviousvarietiesbecauseitsediblekernelcouldberemovedfromthehuskwithoutfirsttoastingthegrain.Whichofthefollowing,iftrue,providesthestrongestevidencethatthetwodevelopmentswerecausallyrelated?AEvenaftertheancientEgyptiansdiscoveredleavenedbreadandthetechniquesforreliablyproducingitwerewellknown,unleavenedbreadcontinuedtobewidelyconsumed.BOnlywhentheEgyptiansstoppedthepracticeoftoastinggrainweretheirstone-linedgrain-toastingpitsavailableforbakingbread.CHeatingawheatkerneldestroysitsgluten,aproteinthatmustbepresentinorderforyeasttoleavenbreaddough.DThenewvarietyofwheat,whichhadamoredelicateflavorbecauseitwasnottoasted,wasfortheconsumptionofhighofficialswhenitfirstbegantobegrown.EBecausethehuskofthenewvarietyofwheatwasmoreeasilyremoved,flourmadefromitrequiredlessefforttoproduce.SomespeciesofArcticbirdsarethreatenedbyrecentsharpincreasesinthepopulationofsnowgeese,whichbreedintheArcticandaredisplacingbirdsoflessvigorousspecies.Althoughsnowgeeseareapopularquarryforhuntersinthesouthernregionswheretheywinter,thehuntingseasonendsifandwhenhuntinghasreducedthepopulationbyfivepercent,accordingtoofficialestimates.Clearly,dropthisrestrictionwouldallowtheotherspeciestoWhichofthefollowing,iftrue,mostseriouslyunderminestheAHuntinglimitsforsnowgeesewereimposedmanyyearsagoinresponsetoasharpdeclineinthepopulationofsnowgeese.BIthasbeenmanyyearssincetherestrictionledtothehuntingseasonforsnowgeesebeingclosedearlierthanthescheduleddate.CThenumberofsnowgeesetakenbyhunterseachyearhasgrowneveryyearforseveralyears.DAstheirpopulationhasincreased,snowgeesehaverecolonizedwinteringgroundsthattheyhadnotusedforseveralseasons.EInthesnowgoose'swinterhabitats,thegoosefacesnosignificantnaturalBecausevisualinspectioncannotreliablydistinguishcertainskindiscolorationsfromskincancers,dermatologistsatclinicshaveneededtoperformtestsofskintissuetakenfrompatients.AtWestvilleHospital,dermatologicaldiagnosticcostswerereducedbythepurchaseofanewimagingmachinethatdiagnosesskincancerinsuchcasesasreliablyasthetissuetestsdo.Consequently,eventhoughthemachineisexpensive,adermatologicalclinicinWestvilleisconsideringbuyingonetoreducediagnosticcosts.Whichofthefollowingwoulditbemostusefulfortheclinictoestablishinordertomakeitsdecision?AWhetherthevisitsofpatientswhorequirediagnosisofskindiscolorationstendtobeshorterindurationattheclinicthanatthehospitalBWhethertheprinciplesonwhichthemachineoperateshavebeenknowntoscienceforalongtimeCWhetherthemachineattheclinicwouldgetsignificantlylessheavyusethanthemachineatthehospitaldoesDWhetherincertaincasesofskindiscoloration,visualinspectionissufficienttomakeadiagnosisofskincancerEWhetherhospitalsinotherpartsofthecountryhavepurchasedsuchimagingmachinesAmajorchemicalspilloccurredfiveyearsagoatBaker'sBeach,theworld'ssolenestinggroundforMerrickseaturtles,andpreventednearlyalltheeggslaidthatyearfromhatching.YetthenumberofadultfemaleMerricksreturningtolaytheireggsatBaker'sBeachhasactuallyincreasedsomewhatsincefiveyearsago.Clearly,environmentalists'predictionthattheworld'sMerrickpopulationwoulddeclineasaresultofthespillhasprovenunfounded.Whichofthefollowing,iftrue,mostseriouslyunderminestheargumentofferedinrefutationoftheenvironmentalists'prediction?AThechemicalspillfiveyearsagooccurredatatimewhentherewereneitherMerrickseaturtlesnorMerrickseaturtleeggsonBaker'sBeach.BFemaleMerrickseaturtlesbeginreturningtoBaker'sBeachtolaytheireggswhentheyaretenyearsold.CUndernormalconditions,onlyasmallproportionofhatchlingfemaleMerrickseaturtlessurviveintheoceanuntiladulthoodandreturntolaytheireggsatBaker'sBeach.DEnvironmentalpressuresunrelatedtothechemicalspillhavecausedasignificantdeclineinthepopulationofoneoftheseveralspeciesofseabirdsthatpreyonMerrickseaturtleeggs.EAfterthechemicalspill,anenvironmentalgrouprejectedaproposaltoincreasetheMerrickseaturtlepopulationbytransferringeggsfromBaker'sBeachtonearbybeachesthathadnotbeenaffectedbythespill.Aproductthatrepresentsacleartechnologicaladvanceovercompetingproductscangenerallycommandahighprice.Becausetechnologicaladvancestendtobequicklysurpassedandcompanieswanttomakelargeprofitswhiletheystillcan,manycompanieschargethe umpossiblepriceforsuchaproduct.Butlargeprofitsonthenewproductwillgivecompetitorsastrongincentivetoquicklymatchthenewproduct'scapabilities.Consequently,thestrategyto izeoverallprofitfromanewproductistochargelessthanthegreatestpossibleprice.Intheargumentabove,thetwoportionsinboldfaceplaywhichofthefollowingAThefirstisaconsiderationthathasbeenraisedtoargueth strategyiscounterproductive;thesecondpresentsthatstrategy.BThefirstisaconsiderationraisedtosupportthestrategythattheargumentmends;thesecondpresentsthatstrategy.CThefirstisaconsiderationraisedtoexplaintheappealofacertainstrategy;thesecondpresentsthatstrategy.DThefirstisanassumption,rejectedbytheargument,thathasbeenusedtojustifyacourseofaction;thesecondpresentsthatcourseofaction.EThefirstisaconsiderationthathasbeenusedtojustifypursuingagoalthattheargumentrejects;thesecondpresentsacourseofactionthathasbeenadoptedinpursuitofthatgoal.WhichofthefollowingmostlogicallycompletestheargumentTwentypercentofthestoresinMorganville'sdowntownshopdistrictwillfailwithinfiveyearsbecausetheywillbecompetingdir