年最新逻辑模拟试题及答案第一套(5)

XXXX年最新逻辑模拟试题及答案第一套(5)

16.TwentypercentofallenergyconsumedintheUnitedStatesisconsumedbyh omeappliances.Ifappliancesthataretwiceasenergy-efficientasthosecurren tlyavailableareproduced，thisfigurewilleventuallybereducedtoabouttenpercent.Theargumentabovere quireswhichofthefollowingassumptions？

（A）Home-applianceusagewouldnotincreasealongwiththeenergyefficiencyofthea ppliances.

（B）Itwouldnotbeexpensivetoproducehomeappliancesthatareenergyefficient.

（C）Home-appliancemanufacturersnowhavethetechnologytoproduceappliancestha taretwiceasenergy-efficientasthosecurrentlyavailable.

（D）Thecostofenergytotheconsumerworldrisewithincreasesintheenergyefficien cyofhomeappliances.

（E）Thepercentageofenergyconsumedbyhomeapplianceswillincreaseifexistingap pliancesarenotreplacedbymoreenergy-efficientmodels.

17.InspectionsystemXandinspectionsystemY，thoughbasedondifferentprinciples，eachdetectallproductflawsbuttheyeachalsoerroneouslyrejectthreepercent offlawlessproducts.Sincefalserejectionsareverycostly，moneywillbysavedbyinstallingbothsystems，insteadofeitheroneortheother，andrejectingonlyproductsfoundflawedbyboth.

（A）ThethreepercentofflawlessproductsthatsystemXrejectsarenotallthesamepr oducts，pieceforpiece，thatsystemYerroneouslyrejects.

（B）Itislesscostlytoacceptaflawedproductthantorejectsaflawlessone.

（C）Intheirpricerange.SystemXandYaretheleasterror-proneinspectionsystemso

nthemarket.

（D）Whicheversystemperformsthesecondinspectionneedstoinspectonlyproductsn otrejectedbythefirstsystem.

（E）Anywayofdetectingflaw，otherthanbyusingeithersystemXorsystemy，requirescompletedisassemblyoftheproducts.

18.Statisticsoverfourconsecutiveyearsshowedthatfourpercentmoreaut omobileaccidentshappenedinCaliforniaduringtheweekfollowingtheswitchto daylightsavingtimeandduringtheweekfollowingtheswitchbacktostandardtim ethanoccurredtheweekbeforeeachevent.Thesestatisticsshowthatthesetimec hangesadverselyaffectthealertnessofCaliforniadivers.

Theconclusionintheargumentaboveisbasedonwhichofthefollowingassump tions？

（A）DriversinCaliforniaaswellasthoseintherestoftheUnitedStateshavesimilar drivingpatterns.

（B）Theobservedincreasesinaccidentratesareduealmostentirelytoanincreasein thenumberofminoraccidents.

（C）Fouryearsisnotasufficientlylongperiodoftimeoverwhichtojudgethephenome nondescribed.

（D）Therearenootherfactorssuchasschoolvacationsorholidaycelebrationthatca useaccidentratestoriseduringtheseweeks.

（E）Atimechangeatanyothertimeofyearswouldnotproduceasimilarincreaseinacci dentrates.

19.Althoughtheratioofphysicianstototalpopulationisaboutthesameint heUnitedStatesandCanada，theUnitedStateshas33percentmoresurgeonspercapita.Clearly，thisisthereasonpeopleintheUnitedStatesundergo40percentmoreoperationsp ercapitathandoCanadians.

Theexplanationgivenaboverestsonanassumptionthat

（A）patientsintheUnitedStatesdonothaveagreaterneedforsurgerythandopatient sinCanada

（B）thepopulationoftheUnitedStatesisnotlargerthanthatofCanada （C）UnitedStatespatientssometimestraveltoCanadaforcertainkindsofsurgery （D）GeneralpractitionersintheUnitedStatesdonotasaruleexamineawhoisacandid ateforsurgerybeforesendingthepatienttoasurgeon.

（E）TherearenounnecessarysurgicaloperationsperformedinCanada.

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