Unit3FoodandCultureUsinglanguageReadingforwriting学案-高中英语人教版选择性

XB2U3UsingLanguageWriteaboutahealthydiet（HumanandSociety）Grade:2Name:________Class:_______学习目标:语言目标：分析语篇文章的主题、结构和语言特点能力目标：批判性思考饮食习惯，用主题句、细节支撑句和连接词写出自己的饮食习惯，并尝试做出评价情感目标：树立“饮食与生活态度相关的观念”，反思自身饮食习惯，培养健康饮食意识。HEALTHYEATING

(para.1)food.Howeverhdebatenowadaysastowhat

makesup

ahealthydiet.Forexample,scientistshaveinsistedforyearsthatabigenemyofhealthisfattyfood.However,

thereisincreasingevidencethat

therealdriverofpoorhealthisnotsomuchfattyfood,asitissugar.HeartdiseaseisthenumberonekillerofAmericans.AndinAmerica,peoplewhoreceive25%oftheirdailycalories

ormorethroughsugararetwiceaslikelytodiefrom

heartdiseasethanpeoplewhoreceive

lessthan

10%aday(JournaloftheAmericanMedicalAssociation,2014).Thisistrue

regardless

of

howhealthytherestoftheirdietmightbe.

Putmoresimply,whilepeoplecontinuetoargueover

whetherornot

fattyfoodisdangerous,wealreadyknowthatsugarisakiller.

(para.2)bar.Infthisextrasugaresfromsweetsandsweetdrinks.TheaverageAmericangets1/3ofhisorhersugarthroughsweetdrinksalone.TheAmericanHeartAssociationremendsthatwelimitourselvestolessthan100150caloriesadayfromsugar,whichislessthanwhatisusuallycontainedinonecanofsweetdrinkorinasinglecandybar.Inotherwords,ifyouwanttobehealthy,youhaveto

cutdownon

desserts,and

cutout

sweetdrinksaltogether.

(para.3)Beyondthis,youcankeephealthybyconsumingdifferentcategoriesoffreshfoods,especiallyfruitandvegetables,which

arefullof

vitaminsand

fibre,ratherthan

processedfoods.Processedfoodsoftencontainlessnutrition,andhavehigher

quantitiesofsugar,salt,andfatthanfreshingredients.Besidesthis,itisalsoimportanttohavesomemeat,beans,ordairyproductsinyourdiet,astheyprovidethenecessaryproteinforstrongbonesandmusclegrowth.

Aswitheverythinginlife,moderationiskey.Theideal

dietisabalancedone,withouttoomuchortoolittleofanyonething.(para.4)Finally,a

fundamental

keytohealthyeatingistoeatslowly.

Ittakes

abouttwentyminutesfromthetimeyoustarteatingforyourbrain

to

tellyourbodythatyouarefull.Whatthismeansisthatpeoplewho

chew

tooquickly

endup

eatingtoomuchfoodbecausetheystillfeelhungry.Eatingslowlyalsoallowsyourbodytodigestyourfoodbetter,andwillallowyoutoenjoyyourfoodmore.

Inaddition,studiesshowthat

consistent

eatinghabits,forexample,takingthreemealsaday

atthesametime

eachday,arebetterforourhealth.Itisalsobettertoeatamodestamountoffoodeachtime,

ratherthantoeatalotinonemeal,andthenalittleinthenext.

(para.5)Thereisnoone

trick

tohealthyeating.Rather,healthyeatingstartswithhavingahealthyattitudetowardsfood.Onequestionyoucanaskyourselfis,“DoIdiet.Howeverorlivetoeat?”Ifyouareusingfoodmostlyfornutrition,thenyouare

ontherighttrack

withyourdiet.However,iffoodhasbeethecentreofyourlife,youmightbe

ontheroadto

badhealth.

Itisuptoyouto

decidehowyouwanttolive,andtomaketherightdecisionsaboutyourdiet.I.Prewriting【学习任务一】Skimthepassageandmatchthesubheadingswiththeparagraphs.Paragraph1A.SlowEatingisGoodParagraph2B.ReducingSweetsisKeyParagraph3C.TheRealKillerisSugarParagraph4D.TheWayYouLookatFoodisMostImportantParagraph5E.KeepItFreshandBalanced【学习任务二】Readforthestructure.Dividethepassageinto3parts.para.______Part1para.______Introducethetopicpara.______Part2para.______Adviceonhealthyeatingpara.______para.______Conclusion【学习任务三】(小组讨论)Whatarethekeydetailsthatsupporteachpoint?Underlinethedetails.A.Therealdriverofpoorhealthisnotsomuchfattyfood,asitissugar.(para.1)Detail(s)：AndinAmerica,peoplewhoreceive25%ooftheirdailycalories

ormorethroughsugararetwiceaslikelytodiefrom

heartdiseasethanpeoplewhoreceive

lessthan

10%aday(JournaloftheAmericanMedicalAssociation,2014).B.Muchofthisextrasugaresfromsweetsandsweetdrinks.(para.2)Detail(s)：?C.Youcankeephealthybyconsumingdifferentcategoriesoffreshfoods,especiallyfruitandvegetables,which

arefullof

vitaminsand

fibre,ratherthan

processedfoods.(para.3)Detail(s)：?D.A

fundamental

keytohealthyeatingistoeatslowly.(para.4)Detail(s)：?【学习任务四】1)Circlethelinkingwordsthatintroduceanotherwayofsayingwhatwasmentioned2）Circlethelinkingwordsthatshowthecontrastingidea.【学习任务五】Enjoysomeusefulsentences:1.Beyondthis,youcankeephealthybyconsumingdifferentcategoriesoffreshfoods,especiallyfruitandvegetables,whicharefullofvitaminsandfibre,ratherthan

processedfoods.除此以外，为了保持身体健康，你还可以食用不同种类的新鲜食物，尤其是富含维生素和纤维素的水果和蔬菜，而不是加工食品。2.Besidesthis,itisalsoimportanttohavesomemeat,beans,ordiaryproductsinyourdiet....此外，饮食中摄取一些肉类、豆类或奶制品也十分重要......3.Whatthismeansisthatpeoplewhochewtooquicklyendupeatingtoomuchfoodbecausetheystillfeelhungry.这意味着咀嚼过快的人最终会吃太多食物，因为他们仍然感到饥饿。4.Eatingslowlyalsoallowsyourbodytodigestyourfoodbetter,andwillallowyoutoenjoyyourfoodmore.细嚼慢咽还能让你的身体更好地消化食物、更充分地享受美食。【学习任务六】Tellmewhetheryouhaveahealthydietandwhy(oralpractice)II.Whilewriting【学习任务七】Writedownyourgoodeatinghabits,badeatinghabitsandthethingsyoucandotogetridofthebadhabitsaccordingtothechecklist.Youcanstartlikethis:Overall,IthinkIhavehealthy/unhealthyeatinghabits.______________________________________________________________________________________________________________________________________________________________________________________________________________________________However,Idohavesome(bad/good)eatinghabits,______________________________________________________________________________________________________________________________________________________________________________________________________