逻辑Boldface练习题与方法总结.doc

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1、逻辑Boldface练习题与方法总结ByAnchoret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：http://forum.chase

2、dream.com/dispbbs.asp?boardid=22&id=127691.Modernnavigationsystems,whicharefoundinmostoftoday’scommercialaircraft,aremadewithlow-powercircuitry,whichismoresusceptibletointerferencethanthevacuum-tubecircuitryfoundinolderplanes.Duringlanding,navigationsystemsreceiveradiosig

3、nalsfromtheairporttoguidetheplanetotherunway.Recently,oneplanewithlow-powercircuitryveeredoffcourseduringlanding,itsdialsdimming,whenapassengerturnedonalaptopcomputer.Clearly,modernaircraftnavigationsystemsarebeingputatriskbytheelectronicdevicesthatpassengerscarryonboard,

4、suchascassetteplayersandlaptopcomputers.Thetwoportionsinboldfaceplaywhichofthefollowingroles?(A)Thefirstisaprinciplethattheargumentreliesonandthesecondisaconclusionthatcanbedrawnfromthefirst.(B)Thefirstisafactthatargumentreliesonandthesecondisaconclusionthatmustbedrawnfro

5、mthisargument.(C)Thefirstacknowledgesaconsiderationthatsupportsthatmainposition;thesecondisthatconclusion.(D)Thefirstisanevidencethatsupportstheconclusion,thesecondisthatconclusion.(E)Thefirstisaprinciplethatisnecessaryforthisargument,thesecondisaconclusionthatcouldbedraw

6、nfromthisargument.2.Adouble-blindstudy,inwhichneitherthepatientnortheprimaryresearcherknowswhetherthepatientisbeinggiventhedrugbeingtestedoraplacebo,isthemosteffectiveprocedurefortestingtheefficacyofadrug.Butwewillnotbeabletoperformsuchastudyonthisnewdrug,sincethedrugwill

7、havevariouseffectsonthepatients’bodies,whichwillmakeusawareofwhetherthepatientsaregettingthedrugoraplacebo.Thetwoportionsinboldfaceplaywhichofthefollowingroles?(A)Thefirstisageneralconsiderationthatintroducestheargument;thesecondisaspecialsituationthatweighsagainstthefirs

8、t.(B)Thefirstisageneralprinciplethatisnecessaryforthisargument;thesecondisananti-considerationth