逻辑Boldface练习题与方法总结很多朋友提出由于手头上的复习资料大多为笔考材料，缺乏新题型的练习，特别是逻辑中的Boldface题，只有OfficialGuide中的205题这一题，由此我们就希望能为大家提供多些Boldface练习题。感谢liu9903提供的这9道题目，真诚希望这些题目对即将考试的朋友能有所帮助。另外还要感谢qxz9524为我们提供的一些关于作Boldface题的总结。8/29/2003欢迎转载，转载请于醒目位置注明来源于ChaseDream.com。下载地址：1.Modernnavigationsystems,whicharefoundinmostoftoday’scommercialaircraft,aremadewithlow-powercircuitry,whichismoresusceptibletointerferencethanthevacuum-tubecircuitryfoundinolderplanes.Duringlanding,navigationsystemsreceiveradiosignalsfromtheairporttoguidetheplanetotherunway.Recently,oneplanewithlow-powercircuitryveeredoffcourseduringlanding,itsdialsdimming,whenapassengerturnedonalaptopcomputer.Clearly,modernaircraftnavigationsystemsarebeingputatriskbytheelectronicdevicesthatpassengerscarryonboard,suchascassetteplayersandlaptopcomputers.Thetwoportionsinboldfaceplaywhichofthefollowingroles?(A)Thefirstisaprinciplethattheargumentreliesonandthesecondisaconclusionthatcanbedrawnfromthefirst.(B)Thefirstisafactthatargumentreliesonandthesecondisaconclusionthatmustbedrawnfromthisargument.(C)Thefirstacknowledgesaconsiderationthatsupportsthatmainposition;thesecondisthatconclusion.(D)Thefirstisanevidencethatsupportstheconclusion,thesecondisthatconclusion.(E)Thefirstisaprinciplethatisnecessaryforthisargument,thesecondisaconclusionthatcouldbedrawnfromthisargument.2.Adouble-blindstudy,inwhichneitherthepatientnortheprimaryresearcherknowswhetherthepatientisbeinggiventhedrugbeingtestedoraplacebo,isthemosteffectiveprocedurefortestingtheefficacyofadrug.Butwewillnotbeabletoperformsuchastudyonthisnewdrug,sincethedrugwillhavevariouseffectsonthepatients’bodies,whichwillmakeusawareofwhetherthepatientsaregettingthedrugoraplacebo.Thetwoportionsinboldfaceplaywhichofthefollowingroles?(A)Thefirstisageneralconsiderationthatintroducestheargument;thesecondisaspecialsituationthatweighsagainstthefirst.(B)Thefirstisageneralprinciplethatisnecessaryforthisargument;thesecondisananti-considerationthattheargumentincludes.(C)Thefirstisapremisethatthisargumentincludes;thesecondisamainideathatcanbedrawnfromthisargument.(D)Thefirstisanevidencethatthisargumentincludes;thesecondisaconclusionthatcannotbedrawnfromthisargument.(E)Thefirstisageneralsituationthatsupportsthisargument;thesecondisaconclusionthatcanbedrawnfromaspecialfact.3.Theinterstitialnucleus,asub-regionofthebrain’shypothalamus,istypicallysmallerformalecatsthanforfemalecats.AneurobiologistperformedautopsiesonmalecatswhodiedfromdiseaseX,adiseaseaffectingnomorethan0.5percentofmalecats,andfoundthatthesemalecatshadinterstitialnucleithatwereaslargeasthosegenerallyfoundinfemalecats.Thus,thesizeoftheinterstitialnucleusdetermineswhetherornotmalecatscancontractdiseaseX,but,thehypothalamusisknownnottobecausallylinkedtodiseaseY,anddiseaseXisasubtypeofdiseaseY.Thetwoportionsinboldfaceplaywhichofthefollowingroles?(A)Thefirstisafactinsupportoftheconsiderationthatisoneoftwopointsofthisargument;thesecondisthealternativepointthatweighsagainstthefirst.(B)Thefirstisanevidencethatsupportstheconsiderationthattheargumentincludes;thesecondisthefactthatweighsagainstthatconsiderationthatcouldbedrawnfromthefirst.(C)Thefirstisageneralprinciplethatisagainsttheconclusion;thesecondisthat...
