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1、2019-2020年高一英语下册Unit13Healthyeating(备课资料)教案大纲人教版第一册一、异域风情1.ChangeyourdietforthebetterIfwecouldeatanythingwewantandnevergetfat,thatwouldbegreat.Theproblemiswecan't.Uncontrolledeatingcanleadtoweightgainandcauseproblems.Toliveahealthierlife,wemusteatlow-fatfoodandincreasethe
2、amountoffruitandvegetablesinourdiets.Thesedietchangesareeasytomakeandaremostrewarding.Dietingdoesn'tmeanwehavetostopeating.Wejustneedtochangeourchoices.Substitutingchickenbreastforfattymeatslikebeefandporkcandowondersforourhealth.Chickenisfullofproteinandhasmuchlessfat.Ea
3、tinglotsoffruitandvegetablescleansourbodiesofbadchemicalsthatcausecancer.So,eatingamangoadayisgoodforus.Wejustcan'teattenaday,orallthatsugarwillturnintofatinourbodies.Thesesmallchangescanmakeagreatdifferenceandhelpustodevelopahealthylifestyle.2.FoodcultureOvercenturiesofi
4、ndependentdevelopment,variousculturesoftheworldhavecreatedradicallydifferentdiets.Whatisstandardortakenforgrantedinoneareamaybeconsideredunhealthyorevendecadentinanother.Manytimesthehistoryandgeographyofaparticularplace,aswellasthenativeplantandanimallife,arethoughttohave
5、playedamajorroleinthedevelopmentofdiet.OneexampleofahistoricalinfluenceistheJapanesedietinwhichmeatistraditionallyconsideredunclean.ThisisattributedtotheinfluenceofBuddhismandproveditselfinhundredsofyearsofdependenceonfishandbeancurdassourcesofprotein.Incidentally,itisnow
6、knownthatthistypeofdietisbeneficialtocardiovascularhealth.Asforthegeographicalinfluenceondiet,thecuisinesofsouthernChinathatdependonstirfryingaresaidtohavedevelopedbecauseofalackoffuel.Duetogeographicalenvironment,onlyquickburningfuelssuchassmalltinderwereavailable.Thisma
7、deslowercookingprocessessuchasbakingunfeasible.Finally,themostobviousinfluenceondietisthenativeplantsandanimalsinanygivenplace.Althoughinmoderntimes,non-nativefoodshavebeenmadeavailabletous,historicallythiswasimpossible.Ifcornwasavailable,youatecorn;iffishwasplentiful,you
8、atefish.Nowthatyouhavebegunthinkingaboutthediversityofdietsaroundtheworld,doyouhaveanynewinsight
