高一英语 unit13《healthy eating》备课资料 旧人教版第一册

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1、ReferenceforTeaching一、异域风情1.ChangeyourdietforthebetterIfwecouldeatanythingwewantandnevergetfat,thatwouldbegreat.Theproblemiswecan't.Uncontrolledeatingcanleadtoweightgainandcauseproblems.Toliveahealthierlife,wemusteatlow-fatfoodandincreasetheamountoffruitandvegetablesinourdiets.Thesedietchangesa

2、reeasytomakeandaremostrewarding.Dietingdoesn'tmeanwehavetostopeating.Wejustneedtochangeourchoices.Substitutingchickenbreastforfattymeatslikebeefandporkcandowondersforourhealth.Chickenisfullofproteinandhasmuchlessfat.Eatinglotsoffruitandvegetablescleansourbodiesofbadchemicalsthatcausecancer.So,e

3、atingamangoadayisgoodforus.Wejustcan'teattenaday,orallthatsugarwillturnintofatinourbodies.Thesesmallchangescanmakeagreatdifferenceandhelpustodevelopahealthylifestyle.2.FoodcultureOvercenturiesofindependentdevelopment,variousculturesoftheworldhavecreatedradicallydifferentdiets.Whatisstandardorta

4、kenforgrantedinoneareamaybeconsideredunhealthyorevendecadentinanother.Manytimesthehistoryandgeographyofaparticularplace,aswellasthenativeplantandanimallife,arethoughttohaveplayedamajorroleinthedevelopmentofdiet.OneexampleofahistoricalinfluenceistheJapanesedietinwhichmeatistraditionallyconsidere

5、dunclean.ThisisattributedtotheinfluenceofBuddhismandproveditselfinhundredsofyearsofdependenceonfishandbeancurdassourcesofprotein.Incidentally,itisnowknownthatthistypeofdietisbeneficialtocardiovascularhealth.Asforthegeographicalinfluenceondiet,thecuisinesofsouthernChinathatdependonstirfryingares

6、aidtohavedevelopedbecauseofalackoffuel.Duetogeographicalenvironment,onlyquickburningfuelssuchassmalltinderwereavailable.Thismadeslowercookingprocessessuchasbakingunfeasible.Finally,themostobviousinfluenceondietisthenativeplantsandanimalsinanygivenplace.Althoughinmoderntimes,non-nativefoodshaveb

7、eenmadeavailabletous,historicallythiswasimpossible.Ifcornwasavailable,youatecorn;iffishwasplentiful,youatefish.Nowthatyouhavebegunthinkingaboutthediversityofdietsaroundtheworld,doyouhaveanynewinsightsintothestandarddirtofyournativ