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

2、thethirdthroughsixthnotesofadiatonicscale.Theentireflutemustsurelyhavehadmoreholes,andtheflutewasmadefromabonethatwaslongenoughfortheseadditionalholestohaveallowedacompletediatonicscaletobeplayed.Therefore,theNeanderthalswhomadethefluteprobablyusedadiatonicmusica

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

4、thesecondpresentsapositiontowhichtheargumentisopposed.C.Thefirstdescribesadiscoveryasunderminingthepositionagainstwhichtheargumentasawholeisdirected;thesecondstatesthemainconclusionoftheargument.D.Thefirstintroducesthephenomenonthattheargumentasawholeseekstoexpla

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

6、overnmentreleasesthefinancialdisclosuresthatpotentialcandidatesmustmakeinordertobeeligibletorunforoffice.Amongthosemakingtherequiredfinancialdisclosurethisyearisaprominentlocalbusinessman,ArnoldBergeron.TherehasoftenbeentalkinthepastofMr.Bergeron'srunningforgover

7、nor,notleastfromMr.Bergeronhimself.Thisyearitislikelyhefinallywill,sincethosewhohavediscountedthepossibilityofaBergeroncandidacyhavealwayspointedtothenecessityofmakingfinancialdisclosureasthemainobstacletosuchacandidacy.Inthejournalist'sargument,thetwoboldfacedpo

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