Unit3FoodandCultureReadingforwriting课件-高中英语人教版选择性

人教版（2019）选择性必修二

UsingLanguageⅡP32-33Unit3FoodandCulture

Inthisclass,youwill·

obtainmoreinformationabouthealthyeating;·

studyandconcludethestructureandlanguagefeaturesofwritinganessayabouthealthydiet;·

writeanessayaboutyourowndiet.

LearningobjectivesWhichonedoyouprefer?cake&candyvegetablesWhatdoyouthinkmakesupahealthydiet?ReadandpredictWhatisthepassagemainlyabout?Matchthesubheadingswiththeparagraphs.Paragraph1Paragraph2Paragraph3Paragraph4Paragraph5A.SlowEatingisGoodB.ReducingSweetsisKeyC.TheRealKillerisSugarD.TheWayYouLookatFoodisMostImportantE.KeepItFreshand

BalancedReadformainideasMatchthesubheadingswiththeparagraphs.Paragraph1Paragraph2Paragraph3Paragraph4Paragraph5A.SlowEatingisGoodB.ReducingSweetsisKeyC.TheRealKillerisSugarD.TheWayYouLookatFoodisMostImportantE.KeepItFreshand

BalancedReadformainideasPara1ReadforstructureHowdoestheauthorwriteakeypoint?keypointdata/exampleconclusionstructure:keypoint+example/data+conclusionPara2ReadforstructureHowdoestheauthorwriteakeypoint?keypointdataconclusionstructure:keypoint+data+conclusionPara3ReadforstructureHowdoestheauthorwriteakeypoint?explanationconclusioncontraststructure:keypoint+explanation/contrast+conclusionkeypointPara4ReadforstructureHowdoestheauthorwriteakeypoint?keypointexplanationstructure:keypoint+explanationReadforstructureHowdoestheauthorwriteakeypoint?keypointcontrastconclusionstructure:keypoint+contrast+conclusionPara4Para2Para1Underlinethelinkingwordsinthepassagethatintroduceanotherwayofsayingwhatwasalreadymentionedintheprevioussentence.PutmoresimplyInotherwordsWhatthismeansisthatReadforlanguagePara5Para3Para1Circlethelinkingwordsinthepassagewhichshowthatcontrastingideasarebeingintroduced.WhileratherthanratherReadforlanguageHoweverUsefulLinkingWordsTointroduceanotherwayofsayingwhatwasalreadymentioned:toputmoresimply,inotherwords,whatthismeansisthat,thatis(tosay),toputthisinanotherway,insimplewords/terms,orrather,...

Toshowthatcontrastingideasarebeingintroduced:however,while,ratherthan,rather,but,onthecontrary,instead,conversely,whereas,ontheotherhand,unlike,nevertheless,otherwise,incontrast,...UsefulLinkingWordsTolistoraddinformation:besides,also,inaddition,whatismore,moreover...

Togiveexamples:forexample,forinstance,suchas,...现在关于健康饮食的构成有很多争论。然而，越来越多的证据表明，不健康的真正杀手是糖。因此，如果你想保持健康，你就必须少吃甜点，并完全戒掉甜饮料。除此之外，你还可以通过食用不同种类的新鲜食物来保持健康。最后，健康饮食的一个基本关键是吃得慢。细嚼慢咽不仅能让你更好地消化食物，还能让你更享受食物。最重要的是，健康饮食没有诀窍。健康饮食始于对食物有一个健康的态度。SummarizeandretellThereismuchdebatenowadaysastowhatmakesupahealthydiet.However,thereisincreasingevidencethattherealkillerofpoorhealthissugar.Therefore,ifyouwanttobehealthy,youhavetocutdownondesserts,andcutoutsweetdrinksaltogether.Beyondthis,youcankeephealthybyconsumingdifferentcategoriesoffreshfoods.Finally,afundamentalkeytohealthyeatingistoeatslowly.Eatingslowlynotonlyallowsyoutodigestyourfoodbetter,butalsoallowyoutoenjoyyourfoodmore.Aboveall,thereisnoonetricktohealthyeating.Healthyeatingstartswithhavingahealthyattitudetowardsfood.

Thereismuchdebatenowadaysasto

(whatmakesupahealthydiet.)

Forexample,scientistshaveinsistedforyears（thatabigenemyofhealthisfattyfood）.However,thereisincreasingevidence

（thattherealdriverofpoorhealthisnotsomuchfattyfood）,asitissugar.HeartdiseaseisthenumberonekillerofAmericans.LanguagepointsAnalyzeandtranslatethedifficultandlongsentences.如今对于（什么样的饮食才算健康）存在着诸多争论。例如，科学家们多年来一直坚持认为（高脂肪食物是健康的大敌）。然而，越来越多的证据表明，健康状况不佳的真正原因并不是高脂肪食物。AndinAmerica,people（whoreceive25%oftheirdailycaloriesormorethroughsugar

）are

twiceaslikelytodiefromheartdiseasethanpeople（whoreceivelessthan10%aday）(JournaloftheAmericanMedicalAssociation,2014).Thisistrueregardlessof（howhealthytherestoftheirdietmightbe）.在美国，（每天从糖中摄取25%或更多卡路里的人）死于心脏病的可能性是（那些每天从糖中摄取不到10%热量的人）的两倍。不管他们的其他饮食有多健康，这都是事实。Putmoresimply,

whilepeoplecontinuetoargueover

（whetherornotfattyfoodisdangerous）,wealreadyknow（thatsugarisakiller）.Muchofthisextrasugarcomesfromsweetsandsweetdrinks.TheaverageAmerican

gets1/3ofhisorhersugarthroughsweetdrinksalone.更简单地说，当人们继续争论（高脂肪食物是否危险）时，我们已经知道（糖是杀手）。TheAmericanHeartAssociationrecommends（thatwelimitourselvestolessthan100–150caloriesadayfromsugar),(whichislessthan(whatisusuallycontainedinonecanofsweetdrinkorinasinglecandybar).Inotherwords,ifyouwanttobehealthy,youhavetocutdownondesserts,andcutoutsweetdrinksaltogether.美国心脏协会建议（我们每天从糖中摄取的热量不超过100-150卡路里），（这比通常一罐甜饮料或一块糖果所含的热量要少）。Beyondthis,youcankeephealthybyconsumingdifferentcategoriesoffreshfoods,especiallyfruitandvegetables,(which

arefullofvitaminsandfibre,ratherthanprocessedfoods.)

Processedfoodsoftencontainlessnutrition,andhavehigherquantitiesofsugar,salt,andfatthanfreshingredients.除此之外，你还可以通过食用不同种类的新鲜食物来保持健康，尤其是水果和蔬菜，（它们富含维生素和纤维，而不是加工食品）。Besidesthis,itisalsoimportanttohavesomemeat,beans,ordairyproductsinyourdiet,astheyprovidethenecessaryproteinforstrongbonesand

musclegrowth.

Aswitheverythinginlife,moderationiskey.Theidealdietisabalancedone,withouttoomuchortoolittleofanyonething.

除此之外，在你的饮食中加入一些肉类、豆类或乳制品也很重要，因为它们为强壮的骨骼和肌肉的生长提供了必要的蛋白质。Finally,afundamentalkeytohealthyeatingistoeatslowly.Ittakesabouttwentyminutesfromthetimeyoustarteating

foryourbraintotellyourbody(thatyouarefull).(Whatthismeans)isthatpeople(who

chewtooquickly

)

endupeatingtoomuchfoodbecausetheystillfeelhungry.从你开始吃东西到你的大脑告诉你的身体（你已经吃饱了）大约需要20分钟。（这意味着）（咀嚼太快的人们）最终会吃太多食物，因为他们仍然感到饥饿。Eatingslowlyalsoallowsyourbodytodigestyourfood

better,andwillallowyoutoenjoyyourfoodmore.Inaddition,studiesshow(that

consistenteatinghabits,forexample,takingthreemealsadayatthesametimeeachday,arebetterforourhealth).Itisalsobettertoeatamodestamou