一年级英语下册 Unit 8(3)课件 重大版.ppt

一年级英语下册 Unit 8(3)课件 重大版.ppt

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时间:2020-04-03

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1、TheFoodPyramidLetlifebeallthemorebeautifulPresentDietStructureWiththedevelopmentofthelivingstandard,people‘sdietstructureischanging.Tobeamplyfedandclothedisnottheonlypurposenow.Peoplepaymoreattentiontothenutritionofthefoodandtheyalsocareifitcanmakethemv

2、igorousandgracefulatthesametime.Inthepasttime,meatandeggsareconsideredasthemostdelicious.Nowadaysmoreandmorevegetablestaketheplaceofthemeatonthetable,sincepeopleknowthattherearemuchmorevitaminandfibresinthevegetablesthaninthemeat.Furthermore,vegetablesc

3、ankeepthemfit.Meanwhilemilkhadbeenacceptedbythemasses,becauseofitsabundantnutrition.Thediethasbecomeakindofscience.Thespecialistsarealwaystellingpeoplewhatfoodtoeat,whattoavoidandwhattobeputtogether.Allkindsofpropandaadvertisementshastenusfromanewcustom

4、.However,somepeoplebecometheslavesofthenewdietcustom.Theyhesitatetoeatandlaystressonthedietrulesexcessively,sothattheycan‘tenjoymanydeliciousdishes.Tomakeourlifebetter,wehavetoraisethequalityofourdiet.Let‘sgrouptheartofthediet.Letitmakeourlifemorehealth

5、yandbeautiful.ThewaytogethealthylifeYoushouldknowThefoodpyramidAwayofshowingahealthydietgraphically,bygroupingfoodsandtheamountsofeachgroupthatshouldbeeateneachday,basedonnutritionalrecommendations.OriginallydevelopedintheUSAin1992,andnowadoptedinmanyco

6、untries,withdifferencestoallowfordifferentnationalpatternsofdiet.Agraphicrepresentationofthestructureofafoodchain,depictedasapyramidhavingabroadbaseformedbyproducersandtaperingtoapointformedbyendconsumers.Betweensuccessivelevels,totalbiomassdecreasesase

7、nergyislostfromthesystem.HealthyfoodGrainVegetablesFruitsMilkFishUnhealthyfoodfriedfoodcurefoodCookieicecreamdrawupaplanEateverydayEatless早餐:豆浆一碗、全麦面包两片、鸡蛋一个中餐:大白菜半个,白米饭,鸡肉,一碗蛋汤晚餐:鱼一盘,粥一碗,面条一碗,水果沙拉,OuropinionSpring:manypeopleuseskimandnon-fatyogurtbecau

8、semilkproductscontainalotoffatBella:mostpeopleshouldeatlessfats,oilsandsweetsbecausetherearealreadyplentyoftheminthedietwithoutaddingmoreJoyce:thefoodpyramidisarigidprescriprionofwhatfoodpeoplearesuppposedtoeateachdayDaphne:peple

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