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1、Unit2HealthyeatingUnit2HealthyeatingWhatarethethreeessentialelementsforushumanbeingstosurviveontheearth?waterairfoodHerearesomeproverbsaboutfood:Breadisthestaffoflife.民以食为天。Youarewhatyoueat.吃什么食物变什么样。Eattolive,butdonotlivetoeat.为生活而饮食,莫过于为饮食而生活。Lookatthepicturesandreviewsomenew
2、wordsaboutfood.cucumbereggplantpeppermushroompeachlemonpeabeannutsmuttonmuttonkebabsroastporkfriedpotatoesWhatwillhappenifyoudonoteatabalanceddiet?Doyouknowthefoodweeathelpsusgrowindifferentways?RiceSugarNoodlespotatoesbreadButterCreamOilsnutsMeatEggsCheeseMilktofuAllvegetables(
3、egbeans,mushrooms,…)Allfruit(egapples,peaches,…)Doyoueatahealthydiet?Whichonewouldyouprefer?WesternfoodorChinesefood?Whatdoyouusuallyhaveforbreakfast/lunch/supper?Whichfoodisrichinfat/fibre/sugar/vitamin/protein?Fibre&vitamin&sugarricecorndumplingsFibre&vitamincarrotWhichfoodisr
4、ichinfat/fibre/sugar/vitamin/protein?baconmeatWhichfoodisrichinfat/fibre/calcium(钙)/sugar/vitamin/protein?fishmilkeggsproteinWhichfoodisrichinfat/fibre/sugar/vitamin/protein?saladFrenchfrieschocolateIcecreamhamburgersfat&sugarmilk,cheese,yogurt;meat,poultry,fish,beansfats,oils,s
5、weetsFruit;vegetablebread,cereal,rice,pastafatprotein蛋白质Fibres,sugarProvideourbodywith:vitaminsFoodPyramidHowtoeatahealthydiet?Junkfood—hasalotofcalories(热量)butfewnutrients,vitaminsandminerals(矿物质).Healthyfood—givesusthecaloriesweneedbutnotcontaintoomuchfatandsugar.Whatishealthy
6、diet?Healthydiet:adietthatisbalancedandneithertoorichinfat,sugarandsaltnortoopoorandlackinginessentialnutrients.DiscussionhealthyeatingfoodchoicesbalanceddietWhatfoodcontainshealthy/junkfoodhealthyeatingDecidewhichfoodisjunkfoodorhealthyfoodandgivereasons.Ithink…isjunkfoodbecaus
7、e…Ithink…ishealthyfoodbecause…(berichin;belowin)vsSpeaking1.Doyouthinkweshouldeateachkindoffood?2.Whatwillhappenifwedon’teatabalanceddiet?chocolatecakescreamchocolatenutscabbagehameggsWhichoneishealthier,theChinesefoodorWesternfood?Chinesefood:thehealthiestdiet,alotoffruitandgre
8、envegetables,richinfiber,lowinsugarWesternfood: