类型七数字相关.docx

类型七数字相关.docx

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1．Salesoftelephoneshaveincreaseddramaticallyoverthelastyear.inordertotakeadvantageofthisincrease,Mammothindustriesplanstoexpandproductionofitsownmodeloftelephone,whilecontinuingitsalreadyveryextensiveadvertisingofthisproduct.Whichofthefollowingiftrue,providesmostsupportfortheviewthatMammothindustriescannotincreaseitssalesoftelephonesbyadoptingtheplanoutlinedabove?

a.althoughitsellsallthetelephonesitproduces,Mammoth'ssharesofalltelephonesaleshasdeclinedoverthelastyear.b.mammothindustries'averageinventoryoftelephonesawaitingshipmenttoretailershasdeclinedslightlyoverthelastyear.c.advertisinghasmadethebrandnameofMammothindustries'telephoneswidelyknown,butfewcustomersknowthatMammothindustriesownsthisbrand.d.Mammothindustries'telephoneisoneofthe3brandsoftelphonethathavetogetheraccountedfrthebulkoflastyearincreaseinsales.e.despiteaslightdeclineintheretailprice,salesofMammothindustries'telephoneshavefalleninthelastyear.2．Mostgeologistsbelieveoilresultsfromchemicaltransformationsofhydrocarbonsderived．

fromorganismsburiedunderancientseas.Suppose,instead,thatoilactuallyresultsfrombacterialactiononothercomplexhydrocarbonsthataretrappedwithintheEarth.Asiswellknown,thevolumeofthesehydrocarbonsexceedsthatofburiedorganisms.Therefore,ouroilreserveswouldbegreaterthanmostgeologistsbelieve.Whichofthefollowing,iftrue,givesthestrongestsupporttotheargumentaboveaboutouroilreserves?

（A）MostgeologiststhinkoptimisticallyabouttheEarth’sreservesofoil.（B）Mostgeologistshaveperformedaccuratechemicalanalysesonpreviouslydiscoveredoilreserves.（C）AncientseasareburiedwithintheEarthatmanyplaceswherefossilsareabundant.（D）Theonlybacteriayetfoundinoilreservescouldhaveleakeddowndrillholesfromsurfacecontaminants.（E）Chemicaltransformationsreducethevolumeofburiedhydrocarbonsderivedfromorganismsbyroughlythesameproportionasbacterialactionreducesthevolumeofothercomplexhydrocarbons.

基数越大,那么消耗比例基本相同的情况下,基数越大的生成的石油则越多．由题干已知:

其他复杂的碳氢化合物的规模＞有机物的规模1000,10立方米生成1立方米石油100如果10立方米生成1立方米石油:

100900（地质学家计算的结果）10立方米生成1立方米石油905立方米生成1立方米石油:

180

3．Salesmanager:

Lastyearthetotalnumberofmealssoldinourcompanyrestaurantswasmuchhigherthanitwastheyearbefore.Obviouslyconsumersfindourmealsdesirable.Accountant:

Ifyoulookatindividualrestaurants,however,youfindthatthenumberofmealssoldactuallydecreasedsubstantiallyateveryoneofourrestaurantsthatwasinoperationbothlastyearandtheyearbefore.Thedesirabilityofourmealstoconsumershasclearlydecreased,giventhatthisgroupofrestaurants---theonlyonesforwhichwehavesalesfiguresthatpermitacomparisonbetweenlastyearandtheyearbefore---demonstratesatrendtowardfewersales.Ifthesalesfigurescitedbytheaccountantandthesalesmanagerarebothaccurate,whichoneofthefollowingmustbetrue?

（A）Thecompanyopenedatleastonenewrestaurantinthelasttwoyears.（B）Thecompany’smealsarelesscompetitivethantheyoncewere.（C）Thequalityofthecompany’smealshasnotimprovedoverthelasttwoyears.（D）Thepricesofthecompany’smealshavechangedoverthepasttwoyears.（E）Themarketsharecapturedbythecompany’srestaurantsfelllastyear.销售经理:

去年比前年销售额大去年５家，前年是４家那么总销售额可能会变大２００万（４０万）１８０万（４５万）会计:

单个饭店，销量减少从单个角度判定B,两个条件都正确的话，可以推出C=A选项．如果销售价格增加的话，那么可以确定销售经理的话，但不能确定会计的话，因为，销售价格增加了，单个饭店的销售额也应增加才对（在食客数量一定的前提下）

4．Forsimilarcarsanddrivers,automobileinsuranceforcollisiondamagehasalwayscostmoreinGreatportthaninFairmont.Policestudies,however,showthatcarsownedbyGreatportresidentsare,onaverage,slightlylesslikelytobeinvolvedinacollisionthancarsinFairmont.Clearly,therefore,insurancecompaniesaremakingagreaterprofitoncollision-damageinsuranceinGreatportthaninFairmont.Whichofthefollowingisanassumptiononwhichtheargumentdepends?

A.RepairingtypicalcollisiondamagedoesnotcostmoreinGreatportthaninFairmont.B.TherearenomoremotoristsinGreatportthaninFairmont.C.GreatportresidentswhohavebeeninacollisionaremorelikelytoreportittotheirinsurancecompanythanFairmontresidentsare.D.FairmontandGreatportarethecitieswiththehighestcollision-damageinsurancerates.E.Theinsurancecompanieswerealreadyawareofthedifferenceinthelikelihoodofcollisionsbeforethepublicationofthepolicereports.Answer:

G地F地事故保险费高事故保险费低

事故可能性低事故可能性高如果G地事故维修费高于F地，那么高出的维修费将冲低保险费，即保险公司不一定在保险收入方面维持大赚局面．譬如：

G地100辆100起F地100辆150起

保险费5万4万保险公司收入：

500万400万典型事故的维修费:

每起维修费万，250万；每起维修费1万，150万冲减后：

250万;250万

5．Becausepostageratesarerising,HomeDecoratormagazineplanstomaximizeitsprofits

byreducingbyonehalfthenumberofissuesitpublisheseachyear.Thequalityofarticles,thenumberofarticlespublishedperyear,andthesubscriptionpricewillnotchange.Marketresearchshowsthatneithersubscribersnoradvertiserswillbelostifthemagazine'splanisinstituted.Whichofthefollowing,iftrue,providesthestrongestevidencethatthemagazine'sprofitsarelikelytodeclineiftheplanisinstituted?

（A）Withthenewpostagerates,atypicalissueundertheproposedplanwouldcostaboutone-thirdmoretomailthanatypicalcurrentissuewould.（B）Themajorityofthemagazine'ssubscribersarelessconcernedaboutapossiblereductioninthequantityofthemagazine'sarticlesthanaboutapossiblelossofthecurrenthighqualityofitsarticles.（C）Manyofthemagazine'slong-timesubscriberswouldcontinuetheirsubscriptionsevenifthesubscriptionpricewereincreased.（D）Mostoftheadvertisersthatpurchaseadvertisingspaceinthemagazinewillcontinuetospendthesameamountonadvertisingperissueastheyhaveinthepast.（E）Productioncostsforthemagazineareexpectedtoremainstable.

假定原来12期现在削减6期,原来每期广告收入100万美金,原来1200万美金现在每期广告收入100万美金,现在600万美金,该杂志的利润大大下降.（１２００万＋１２X100万）－发行成本－生产成本６００万＋６X-发行成本－生成成本6．Thecostoftheaveragecomputerlogicdeviceisfallingattherateof25percentperyear,andthecostoftheaveragecomputermemorydeviceattherateof40percentperyear.Itcanbeconcludedthatiftheseratesofcostdeclineremainconstantforaperiodofthreeyears,atthe

endofthattimethecostoftheaveragecomputermemorydevicewillhavedeclinedbyagreateramountthanthecostoftheaveragecomputerlogicdevice.Accurateinformationaboutwhichofthefollowingwouldbemostusefulinevaluatingthecorrectnessoftheconclusionabove?

a.Thenumberoflogicdevicesandmemorydevicesprojectedtobepurchasedduringthenextthreeyears.b.Theactualpriceschargedfortheaveragecomputerlogicdevicesandmemorydevicesc.Thecompatibilityofdifferentmanufacturers’logicdevicesandmemorydevices.d.Therelativedurabilityoflogicdevicesandmemorydevices.e.Theaveragenumberoflogicdevicesandmemorydevicesneededforanaveragecomputersystem.

题目所问是成本下降的数量，如果成本下降，实际销售价格也下降的话，若存贮器件价格小于逻辑器件价格，存贮：

100逻辑:

500对推论构成削弱假如单个逻辑器件成本200,第一年下降50假如单个存贮器件成本50,第一年下降为20

7．Anannuallyconducted,nationwidesurveyshowsacontinuingmarkeddeclineintheuseofillegaldrugsbyhighschoolseniorsoverthelastthreeyears.Whichoptionstrenghtenstheconclusionmadebysurveythatthattheuseofillegaldrugsbypeoplebelowtheageof20isdeclining?

（A）Changesinthelevelofdrugusebyhighschoolseniorsareseldommatchedbychangesinthelevelofdrugusebyotherpeoplebelowtheageof20.（B）Inthepast,highschoolseniorswereconsistentlythepopulationgroupmostlikelytouseillegaldrugsandmostlikelytousethemheavily.（C）Thepercentageofhighschoolseniorswhouseillegaldrugsisconsistentlyverysimilartothepercentageofallpeoplebelowtheageof20whouseillegaldrugs.（D）Thedeclinerevealedbythesurveysistheresultofdrugeducationprogramsspecificallytargetedatthosebelowtheageof20.（C）（E）Thenumberofthosesurveyedwhoadmittohavingsoldillegaldrugshasdeclinedevenfasterthanhasthenumberwhohaveuseddrugs.

C-Thepercentageofhighschoolseniorswhouseillegaldrugsisconsistentlyverysimilartothepercentageofallpeoplebelowtheageof20whouseillegaldrugs.Asthepercentageofhighschoolseniorstakingdrugsisconsistentlysimilartopeoplebelow20（teenagers）whotake,thesurvey'sconclusionisalsotrueaboutteenagers.AnswershouldbeC.Highschool100010%100９％belowageof20500050%2500５２％青少年高中生下降２０岁以下人下降

都下降，才能说明Teenager人数下降illegaldruguseintheteen-agepopulationasawholeIfyou'llreadthequestionclosely,ithasaskedabout"illegaldruguseintheteen-agepopulation"andnevermentionedtheword"high-schoolseniors".So,ifthestatementistrueaboutbothhighschoolseniorsandteenagers,thenthereisahiddenassumptioninthestatementmadebythesurveythatmostofthehighschoolseniorsareteenagers.AndoptionCdamagesthisassumption,weakeningthestatement,sothatisthemoreappropriateanswer.IfoptionChadnotbeeninthelist,definitelyoptionEwouldhavebeenthebestchoice.

8.Amongthemoreeffectivekindsofpublicitythatpublisherscangetforanewbookisto

haveexcerptsofitpublishedinahigh-circulationmagazinesoonbeforethebookispublished.Thebenefitsof