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1、2019-2020年高一英语Unit13《Healthyeating》备课资料旧人教版第一册一、异域风情1.ChangeyourdietforthebetterIfwecouldeatanythingwewantandnevergetfat,thatwouldbegreat.Theproblemiswecan't.Uncontrolledeatingcanleadtoweightgainandcauseproblems.Toliveahealthierlife,wemusteatlow-fatfoodandincrea
2、setheamountoffruitandvegetablesinourdiets.Thesedietchangesareeasytomakeandaremostrewarding.Dietingdoesn'tmeanwehavetostopeating.Wejustneedtochangeourchoices.Substitutingchickenbreastforfattymeatslikebeefandporkcandowondersforourhealth.Chickenisfullofproteinandha
3、smuchlessfat.Eatinglotsoffruitandvegetablescleansourbodiesofbadchemicalsthatcausecancer.So,eatingamangoadayisgoodforus.Wejustcan'teattenaday,orallthatsugarwillturnintofatinourbodies.Thesesmallchangescanmakeagreatdifferenceandhelpustodevelopahealthylifestyle.2.Fo
4、odcultureOvercenturiesofindependentdevelopment,variousculturesoftheworldhavecreatedradicallydifferentdiets.Whatisstandardortakenforgrantedinoneareamaybeconsideredunhealthyorevendecadentinanother.Manytimesthehistoryandgeographyofaparticularplace,aswellasthenative
5、plantandanimallife,arethoughttohaveplayedamajorroleinthedevelopmentofdiet.OneexampleofahistoricalinfluenceistheJapanesedietinwhichmeatistraditionallyconsideredunclean.ThisisattributedtotheinfluenceofBuddhismandproveditselfinhundredsofyearsofdependenceonfishandbe
6、ancurdassourcesofprotein.Incidentally,itisnowknownthatthistypeofdietisbeneficialtocardiovascularhealth.Asforthegeographicalinfluenceondiet,thecuisinesofsouthernChinathatdependonstirfryingaresaidtohavedevelopedbecauseofalackoffuel.Duetogeographicalenvironment,onl
7、yquickburningfuelssuchassmalltinderwereavailable.Thismadeslowercookingprocessessuchasbakingunfeasible.Finally,themostobviousinfluenceondietisthenativeplantsandanimalsinanygivenplace.Althoughinmoderntimes,non-nativefoodshavebeenmadeavailabletous,historicallythisw
8、asimpossible.Ifcornwasavailable,youatecorn;iffishwasplentiful,youatefish.Nowthatyouhavebegunthinkingaboutthediversityofdietsaroundtheworld,doyouhaveanynewinsightsinto
