201211－GMAT逻辑寒假讲义答案-豆柴文库

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归纳题

1.Increaseinthelevelofhigh-densitylipoprotein(HDL)inthehumanbloodstreamlowerbloodstream-cholesterollevelsbyincreasingthebody’scapacitytoriditselfofexcesscholesterol.LevelsofHDLinthebloodstreamofsomeindividualsaresignificantlyincreasedbyaprogramofregularexerciseandweightreduction.
Whichofthefollowingcanbecorrectlyinferredfromthestatementsabove?
(D)Aprogramofregularexerciseandweightreductionlowerscholesterollevelsinthebloodstreamofsomeindividuals.

2.Whenapolygraphtestisjudgedinconclusive,thisisnoreflectionontheexaminee.Rather,suchajudgmentmeansthatthetesthasfailedtoshowwhethertheexamineewastruthfuloruntruthful.Nevertheless,employerswillsometimesrefusetohireajobapplicantbecauseofaninconclusivepolygraphtestresult.
Whichofthefollowingconclusionscanmostproperlybedrawnfromtheinformationabove?
Aninconclusivepolygraphtestresultissometimesunfairlyheldagainsttheexaminee.

3.Aviolinconstructedtohaveimprovedsoundwouldsounddifferentfromthebest-soundingexistingviolins.Toprofessionalviolinists,aviolinthatsoundsdifferentfromthebest-soundingexistingviolinssoundslesslikeaviolinandthereforeworsethanthebest-soundingexistingviolins.Professionalviolinistsaretheonlyacceptedjudgesofthesoundqualityofviolins.
Whichofthefollowingwouldbebestsupportedbythosestatements?
(D)Itiscurrentlyimpossibletoconstructaviolinthattheonlyacceptedjudgeswillevaluateashavingimprovedsound.

4.ThecostofproducingradiosinCountryQistenpercentlessthanthecostofproducingradiosinCountryY.evenaftertransportationfeesandtariffchargesareadded,itisstillcheaperforacompanytoimportradiosfromCountryQtoCountryYthantoproduceradiosinCountryY.
Thestatementsabove,iftrue,bestsupportwhichofthefollowingassertions?
(C)thetariffonaradioimportedfromCountryQtoCountryYislessthantenpercentofthecostofmanufacturingtheradioinCountryY.

5.Byanalyzingthegarbageofalargenumberofaverage-sizedhouseholds,agroupofmodernurbananthropologistshasfoundthatahouseholddiscardslessfoodthemorestandardized--madeupofcannedandprepackagedfoods--itsdietis.Themores