学术英语第一单元ppt课件.ppt

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1、UnitOneGivingThanksforthe"InvisibleHand"Teachingsteps1.Lead-in:AskstudentstoworkinpairstodothetaskinLead-in/TextA.Theninviteseveralstudentstosharetheiranswerswiththewholeclass.12.OverviewAskstudentstopreviewTextAbeforeclass.Or,allocatesometimeforstudentstoreadthet

2、extquicklyinclass.TheninviteseveralstudentstosummarizethemainideaofTextA.3.In-depthanalysisofTextA1)Showstudentssomekeywordsandaskthemtocontributeasmuchaspossiblewhattheyknowaboutthem.Provideadditionalinformationwhennecessary.22)discusswithstudentsthefunctionof"Th

3、anksgiving"inthetextonthebasisofTask1/Criticalreadingandthinking/TextA3)GuidestudentstofocusonsomeofthedifficultsentencesinTextAbydoingTask2/Criticalreadingandthinking/TextA.Askthemtoreporttheiranswerstotheclass.4)OrganizeagroupdiscussionaboutthequestionsinTask3/C

4、riticalreadingandthinking/TextA.Encouragestudentstothinkindependently,criticallyandcreatively.3Supplementaryinformation1.ThanksgivingItisanannualnationalholidayintheU.S.andCanada.AmercanscelebrateThanksgivingonthefourthThursdayofNovember,honoringtheearlyPlymouthse

5、ttlersandtheirharvestfeast.TheycommonlytracetheThanksgivingholidaytoa1621celebrationatthePlymouthPlantation,wherethePlymouthsettlersheldaharvestfeastafterasuccessfulseason.Althoughprayersandthankswere4probablyofferedatthe1621harvestgathering,thefirstrecordedreligi

6、ousThanksgivinginPlymouthhappenedtwoyearslaterin1623.Onthisoccasion,thecolonistsgavethankstoGodforrainafteranearlycatastrophicdrought.52.TheInvisibleHandItisametaphorusedbyAdamSmithtodescribethenaturalforcethatguidesfreemarketcapitalismthroughcompetitionforscarcer

7、esources.Thegeneralideaisthatindividualspursuingself-interestendupdoingwhatisbestforsocietyasifguidedbyaninvisiblehand.Forexample,whenthepriceofsomethingincreasesduetohigherdemandorlowersupply,morepeoplewillstartproduingit.Thisisdoneoutofselfinterest,butitalsobene

8、fitssociety.Asawhole,itwillmakethegoodsavailabletomorepeopleaswellasloweringthepriceagain.6AnswerkeysTask1Beginning（paras1-2）:BringinthethemeofThanksgiv