2017年10月逻辑刷题集合prep07训练营

Althoughfullerenes--sphericalmoleculesmadeentirelyofcarbon--werefirstfoundinthelaboratory,theyhavesincebeenfoundinnature,formedinfissuresoftheraremineralshungite.Sincelaboratorysynthesisoffullerenesrequiresdistinctiveconditionsoftemperatureandpressure,thisdiscoveryshouldgivegeologistsatestcaseforevaluatinghypothesesaboutthestateoftheEarth'scrustatthetimethesenaturallyoccurringfullereneswereWhichofthefollowing,iftrue,mostseriouslyunderminestheConfirmingthattheshungitegenuinelycontainedfullerenestookcarefulSomefullereneshavealsobeenfoundontheremainsofasmallmeteoritethatcollidedwithaspacecraft.Themineralshungiteitselfcontainslargeamountsofcarbon,fromwhichthefullerenesapparentlyformed.选项C简析Thenaturallyoccurringfullerenesarearrangedinapreviouslyunknowncrystallinestructure.ShungiteitselfisformedonlyunderdistinctiveEconomist:Onaverage,theemergencytreatmentforanelderlyforinjuriesresultingfromafallcosts$11,000.Anewtherapeuticprogramcansignificantlyreduceanelderly'schancesoffalling.Thoughobviouslydesirableformanyreasons,thistreatmentprogramwillcost$12,500andthuscannotbejustified.Whichofthefollowing,iftrue,mostseriouslyunderminestheconclusionoftheAmongelderlypeoplewhohadfollowedtheprogramforonlyafewmonths,thenumberofseriousfallsreportedwashigherthanitwasforpeoplewhohadfollowedtheprogramforits mendedminimumlengthofoneyear.选项AFallsresultinginseriousinjuriesarelesscommonamongelderlypeoplelivinginnursinghomesthantheyareamongelderlypeoplewholivealoneat选项BAfrequentresultofinjuriessustainedinfallsislong-termpain,medicationforwhichisnotcountedamongtheaverageper-costsofemergencytreatmentforelderlypeople'sinjuriesfromsuchfalls.选项CThenewtherapeuticprogramfocusesontherapiesotherthanmedication,sinceovermedicationcancausedisorientationandhenceincreasethelikelihoodthatanelderlywillhaveaseriousfall.Asignificantportionofthecostofthenewtherapeuticprogramisrepresentedbyregularvisitsbyhealthcareprofessionals,thecostsofwhichtendtoincreasemorerapidlythandothoseofotherelementsoftheprogram.Theprairievole,asmallNorthAmericangrasslandrodent,breedsyear-round,andagroupofvoleslivingtogetherconsistsprimarilyofanextendedfamily,oftenincludingtwoormorelitters. Volescommonlyliveinlargegroupsfromlateautumnthroughwinter;fromspringthroughearlyautumn,however,mostvolesliveinfarsmallergroups. Theseasonalvariationingroupsizecanprobablybeexinedbyaseasonalvariationinmortalityamongyoungvoles.Whichofthefollowing,iftrue,providesthestrongestsupportfortheexnationoffered?Itisinthespringandearlysummerthatprairievolecommunitiesgenerallycontainthehighestproportionofyoungvoles.PrairievolepopulationsvarydramaticallyinsizefromyeartoTheprairievolesubsistsprimarilyonbroad-leavedntsthatareabundantonlyinspring.选项C简析Wintersintheprairievoles'habitatareoftenharsh,withtemperaturesthatdropwellbelowzing.Snakes,amajorpredatorofyoungprairievoles,areactiveonlyfromspringthroughearlyautumn.Apopularbeachhaslonghadadolphinfeedingprograminwhichfisharegiventodolphinsseveraltimesaday;manydolphinsgetasmuchashalfoftheirfoodeachdaythere.Althoughdolphinsthatfirstbenefitfromtheprogramasadultsarehealthyandlong-lived,theiroffspringhavealowerlifeexpectancythanoffspringofdolphinsthatfeedexclusivelyinthewild.Whichofthefollowing,iftrue,mosthelpstoexinthelowerlifeexpectancyofoffspringofdolphinsfeedingatthebeachcomparedtootheryoungdolphins?Sharksthatpreyondolphinsarelesscommonintheopenseasoffthebeachthaninmanyotherareasoftheopenseaswheredolphinscongregate.Manyoftheadultdolphinsthatfeedatthebeacharefemalesthatnursetheiroffspringthere.Thefishgiventothedolphinsatthebeacharethesametypesoffishthatdolphinstypicallycatchinthewild.Manydolphinsthatfeedatthebeachwiththeiroffspringcometothebeachonlyafewtimesamonth.Adultdolphinsthatfeedatthebeachspendmuchlesstimeteachingtheiroffspringhowtocatchfishinthewildthandootheradultdolphins.TigersharksarecommoninthewaterssurroundingTenareIsland.Usuallytigersharksfeedonsmallersharks,butsometimestheyhaveattackedtouristsswimmingandsurfingatTenare'sbeaches.ThishashurtTenare'stourismindustry,whichissecondonlytoitsfishingindustryinannualrevenues.Inordertohelptheeconomy,therefore,themayoroftheislandhasproposedanongoingprogramtokillanytigersharkswithinaofthebeaches.Whichofthefollowing,iftrue,moststronglycallsintoquestionthethatimplementationofthemayor'sproposalwillhavethedesiredEvenifnotallthetigersharksthatcomeclosetothebeachesarekilled,theexistenceoftheprogramwouldreassuretourists.Businessownerswhodependontourismarewillingtopaymostofthecostofimplementingtheprogram.TouristscometoTenareIslandforitsbeaches,eventhoughtheislandfeaturesanumberofothertouristattractions.Thesmallsharksonwhichtigersharkspreyfeedonfishthatarecommerciallyimportanttotheisland'sfisheries.NotalltouristswhocometoTenareIslandenjoyswimmingorThecountryofErtlandhasneverimportedapplesinanysignificanttybecauseconsumerstheregenerallyprefertheuniquetextureofErtland-grown Nevertheless,applegrowersfromKosolia,aneighboringcountry,ntoselltheirapplesinErtlandbysellingKosolia-grownapplesathalfthepriceoflocalapplesandpromotingthemasanourishing,low-costalternative.Whichofthefollowing,iftrue,castsmostdoubtontheviabilityofthenbyKosolia'sapplegrowerstoselltheirapplesinErtland?MostofthevarietiesofapplesgrowninErtlandwereoriginallyderivedfromcommonKosolianvarieties.ConsumersinErtlandtendtospendaboutthesameproportionoftheireonfreshfruitsandvegetablesasdoconsumersinKosolia.Attimesinthepast,ErtlandhasexportedsignificanttiesofapplestoSomevarietiesofapplesgrowninKosoliacanbeharvestedthroughoutmostoftheyear,whereasthevarietiesgrowninErtlandcanbeharvestedonlyduringtwomonthsoftheyear.ProfitsofErtland-grownapplesarehighenoughinErtlandthatgrowers,wholesalers,andretailerstherecouldeasilyaffordtoreducethepriceatwhichtheseapplesaresold.AspartofmajorrenovationstoFlowertown'sMainStreettrainstation,consultantstothetrainproposedmovingthestation'sentrancefromitscurrentvaluableMainStreetlocationtoalow-rentadjoiningsidestreetandthenleasingthehigh-rententrancespacetoretailbusinesses.Inthatway,thetraincouldeasilypayforthoseandallotherproposedrenovationswithoutnegativeimpactonitstightbudget.Whichofthefollowing,iftrue,wouldmoststronglysupporttheconsultants'MoretraincommutersareemployedinbusinesseslocatedonMainStreetthaninbusinesseslocatedontheadjoiningsidestreet.AreliablesurveyofFlowertown'scommutersshowedthatvirtuallynoneofthemwouldusethetrainanylessfrequentlyifthestation'sentrancewereThehigh-rentblockofFlowertown'sMainStreetincludesseveralbuildingswhoseownerscurrentlyseektorecelong-standingtenantslostinrecentIfthestation'sentranceweremoved,thetrainwouldneedtobegincostlyrenovationstoitsMainStreetentrancespace.RidershiponFlowertowntrainsdeclinedonlyslightlyfrom1970to1985whileothertraincompanieslostlargenumbersofcommuters.AutoDealer'sTheHighwayTrafficSafetyInstitutereportsthatthePZ1000hasthefewestinjuriesperaccidentofanycarinitsclass.ThisshowsthatthePZ1000isoneofthesafestcarsavailabletoday.Whichofthefollowing,iftrue,mostseriouslyweakenstheargumentintheTheHighwayTrafficSafetyInstitutereportlistedmanycarsinotherclassesthathadmoreinjuriesperaccidentthandidthePZ1000.InrecentyearsmanymorePZ1000shavebeensoldthanhaveanyotherkindofcarinitsclass.CarsintheclasstowhichthePZ1000belongsaremorelikelytobeinvolvedinaccidentsthanareothertypesofcars.ThedifferencebetweenthenumberofinjuriesperaccidentforthePZ1000andthatforothercarsinitsclassisquitepronounced.TheHighwayTrafficSafetyInstituteissuesreportsonlyonceaScientistsarediscussingwaystoremoveexcesscarbondioxidefromtheatmospherebyincreasingtheamountthatisabsorbedbyntlife.Onen plishthisistoestablishgiantfloatingseaweedfarmsintheoceans.Whentheseaweedntsdie,theywillbedisposedofbybeingburnedforfuel.Whichofthefollowing,iftrue,wouldindicatethemostseriousweaknessinthenabove?SomeareasofoceanintheSouthernHemispheredonotcontainsufficientnutrientstosupportlargeseaweedfarms.Whenaseaweedntisburned,itreleasesanamountofcarbondioxidecomparabletotheamountithasabsorbedinitslifetime.Evenifseaweedfarmsproveeffective,somepeoplewillbereluctanttoswitchtothisnewfuel.Eachyearaboutsevenbilliontonsofcarbondioxidearereleasedintotheatmospherebutonly