boldface gmat prep12

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1、73.(25075-!-item-!-188;#058&001412)MostofWesternmusicsincetheRenaissancehasbeenbasedonaseven-notescaleknownasthediatonicscale,butwhendidthescaleoriginate?AfragmentofabonefluteexcavatedataNeanderthalcampsitehasfourholes,whicharespacedinexactlytherightwayforplayi

2、ngthethirdthroughsixthnotesofadiatonicscale.Theentireflutemustsurelyhavehadmoreholes,andtheflutewasmadefromabonethatwaslongenoughfortheseadditionalholestohaveallowedacompletediatonicscaletobeplayed.Therefore,theNeanderthalswhomadethefluteprobablyusedadiatonicmu

3、sicalscale.Intheargumentgiven,thetwoportionsinboldfaceplaywhichofthefollowingroles?A.Thefirstintroducesevidencetosupportthemainconclusionoftheargument;thesecondisthemainconclusionstatedintheargument.B.Thefirstintroducesevidencetosupportthemainconclusionofthearg

4、ument;thesecondpresentsapositiontowhichtheargumentisopposed.C.Thefirstdescribesadiscoveryasunderminingthepositionagainstwhichtheargumentasawholeisdirected;thesecondstatesthemainconclusionoftheargument.D.Thefirstintroducesthephenomenonthattheargumentasawholeseek

5、stoexplain;thesecondpresentsapositiontowhichtheargumentisopposed.E.Thefirstintroducesthephenomenonthattheargumentasawholeseekstoexplain;thesecondgivesareasontoruleoutonepossibleexplanation.91.(26045-!-item-!-188;#058&001846)Journalist:Everyelectionyearatthistim

6、ethestategovernmentreleasesthefinancialdisclosuresthatpotentialcandidatesmustmakeinordertobeeligibletorunforoffice.Amongthosemakingtherequiredfinancialdisclosurethisyearisaprominentlocalbusinessman,ArnoldBergeron.TherehasoftenbeentalkinthepastofMr.Bergeron'srun

7、ningforgovernor,notleastfromMr.Bergeronhimself.Thisyearitislikelyhefinallywill,sincethosewhohavediscountedthepossibilityofaBergeroncandidacyhavealwayspointedtothenecessityofmakingfinancialdisclosureasthemainobstacletosuchacandidacy.Inthejournalist'sargument,the

8、twoboldfacedportionsplaywhichofthefollowingroles?A.Thefirstprovidesinformationwithoutwhichtheargumentlacksforce;thesecondstatesthemainconclusionoftheargument.B.Thefirstprovi