新视野大学英语4第四版unit1sectiona教（学）案

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1、Unit1SectionALoveandlogic:ThestoryofafallacyObjectives：ØTotalkaboutloveandlogicØTofurtherunderstandthetextØToapplythephrasesandpatternsØTomasterthenarrativeessaywritingskillContentsØWarming-upActivitiesØTextStudyØLanguageApplicationØSummaryWarming-upActivitiesLead-in1.W

2、hatdoyouknowaboutlogic?Whenitcomestomakingachoice,manypeopletendtouserationalandlogicalreasoning;Malesaremorerationalthanfemales;2.Doyouthinkitispossibletodealwithlifeinacompletelyrationalandlogicalway?Rationalworldisnotnecessarilyawonderfulone;Rationalindividualscanmak

3、echoicesthatarebadnewsforothers;Itisridiculoustodealwithloveinalogicalway.Pre-readingActivities1.Thefollowingaresomestatementstotestyourreasoningability.Tellwhethertheconclusionsaftertheword“Therefore”aretrue(T),false(F),oruncertain(U).Writeyouransweronthelinebeforeeach

4、statement.numberstatementsTrueorfalse1Alloddnumbersareintegers(整数).Allevennumbersareintegers.Therefore,alloddnumbersareevennumbers.2Therearenodancersthataren’tslimandnosingersthataren’tdancers.Therefore,allsingersareslim.3Atoothpick(牙签)isuseful.Usefulthingsarevaluable.T

5、herefore,atoothpickisvaluable.Threepencilscostthesameastwoerasers.Foureraserscostthesameasoneruler.Therefore,pencilsaremoreexpensivethanrulers.5ClassAhasahigherenrollmentthanClassB.ClassChasalowerenrollmentthanClassB.Therefore,ClassAhasalowerenrollmentthanClassC.6Afruit

6、basketcontainsmoreapplesthanlemons.Therearemorelemonsinthebasketthanoranges.Therefore,thebasketcontainsmoreapplesthanoranges.7Takingthetrainacrosstownisquickerthantakingthebus.Takingthebusacrosstownisslowerthandrivingacar.Therefore,takingthetrainacrosstownisquickerthand

7、rivingacar.8AllthetulipsinZoe’sgardenarewhite.AlltherosesinZoe’sgardenareyellow.Therefore,alltheflowersinZoe’sgardenareeitherwhiteoryellow.2.Listentoashortpassageonlogic,andfillinthemissinginformation.CulturalBackground-LogicandFallacyl1.Whatisafallacy?Andhowisitused?An

8、errorinreasoningthatrendersanargumentlogicallyinvalid;Byaccidentordesign,logicalfallaciesareoftenusedindebateo