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Unit2Healthyeating教学设计TheThirdPeriodTeachingAims:Reading(Wearewhatweeat)Teachingimportant&difficultpoints:Analysisofthematerialtohelpstudentsunderstandthepassagethoroughlyandcultivatetheirabilitiesinreadingandanalyzing.TeachingPeriods:OneperiodTeachingprocedures:Step1.WarmingupandPre-readingTodaywe’lllearnthetopicon“whatweeat”.Beforewestartthereading,I’dlikeyoutoanswersomequestions.1.Whichofthefollowinggivesyouthemostenergy:abanana,asoftdrinkorabarofchocolate?2.Howmanymealsdoyouhaveeveryday?Whichmealdoyouthinkisthemostimportant?Why?3.Howmuchwaterdoyoudrinkeveryday?4.Whatkindofsnacksdoyoutake?Teachthenewword:snack(anamountoffoodsmallerthanameal;somethingeateninformallybetweenmealslikecandies,fruitandsoon.)Step2.While-ReadingI.Thefirst-timereadingSstodoskimmingofthepassagetogetageneralideaofthestory.Afterawhile,checktheirunderstandingbyaskingsomesimplequestions:(Trytofindtheanswersinthetextandunderlinewheretheyare,thatis,inwhichparagraph.)1)Aretraditionaldietssuitableforthe21st-centuryperson?2)Whenwechoosewhattobuyandeat,whatshouldwethink?3)Doveganseatcreamoreggs?vegans==strictvegetarianwhoneithereatsnorusesanyanimalproducts,eg:eggs;silk;leather纯素食主义者(既不吃也不用任何动物产品,如蛋/丝绸/皮革等)II.DothefollowingTrue-or-Falseexercises.1.Ourbodydoesn'tneedtorefuelifwechoosenutritiousfoodforourmainmeals.F2.Goodsnacksshouldcomefromdifferentfoodgroupsandshouldnothavetoomuchfatorsugar.T3.Fruitsandvegetablesdon’tgiveusanyvitamins.F4.Mostfruitsneedcooking.F5.Fruitsandvegetablesaretheonlyhealthysnacks.FIII.GetSstoreadthepassageagainandanswerthefollowingquestions:1.Whatdotraditionaldietsoftenhave?CA.toomuchwaterB.toomuchproteinC.toomuchfatandtoomanycaloriesD.nutrientsweneed2.Whatcanhelpourbodyfightdiseaseandgiveusenergy?AA.vitamins,fibreandminerals.B.porkandfishC.waterD.calcium3.Whatcontainsalotofprotein?DA.vegetablesB.fruitsC.vitaminsD.fish,meatandbeans4.Whydosomepeoplebecomevegetarians?AA.Becausetheybelieveitishealthiernottoeatmeatortheythinkweshouldnotkillanimalsforfood..B.Becausetheythinkmeatisnot"eco-foods".C.BecausetheythinkmeatwillmakethemFat.D.Becauserileythinkmeatwillmakethemthin.5.Fromthepassagewecanconcludethatitisprobablybetter,if____.DA.weeatlessmeatB.wehavemorefruitC.wehave"eco-foods"D.webuygoodfoodandkeepabalanceddiet.II.Thesecond-timereadingI.What’sthemainideaofeachparagraph?Para1:Difficulttochoosewhattoeat/oureatinghabitsarechangingPara2:Differentfoodhasdifferentfunctions/whytheeatinghabitsarechangingPara3:ChoosingaccordingtowhatwebelievePara4:KeepingabalanceddietPara5:Developinghealthyeatinghabits/suggestionsHowmanypartscanbedividedinto?(Threeparts.)What’sthemainideaofeachpart?Part1:oureatinghabitsarechanging.(提出问题)Part2:whytheeatinghabitsarechanging(分析问题)Part3:thebestwaytodevelophealthyeatinghabits.(解决问题)II.Whattypesofthearticle?It’saboutArgumentativeWriting议论文是阐明作者对人或事的好坏的立场观点。议论文有三要素:论点(thepointofview)、论据(evidence)和论证(argumentation)。议论文的论点是全文的中心。议论文和说明文有个共同特点,那就是段落大多有主题句(topicsentence)。主题句一方面是段落的中心议题,另一方面也表达一个侧面,说明该段与文章中心的关系。因此,主题句自然就是阅读的重点。通过本文阅读可引导学生3个方面的能力:A:文章中心把握能力:设及高考题中作者意图推测,标题选择,段落大意确定。B:信息归类,寻找规律:Eg.不同食物不同的营养,给出未提及的食物作营养成分推测C:生词猜测。Eg:organic,eco-foods,supplementIII.Thethird-timereading1、Readthetextagainandtrytofindoutthenutrients,theirfunctionsandsourcesmentionedinthetext.2、Fromthesepicturewecanseethedifferentfoodshavedifferentfunctions,nowtrytofillinthischart.Chart-fillingSortsofnutrientsMainlyliesinFunctionProteinfish,meat,beansgoodforourmuscles.Calciumeggs,milkandotherdairyproductsgoodforourbonesandteeth.Carbohydratesbread,riceandnoodlesmainfuelforourbodyFibreandmineralshelpkeepourbodyfunctioningwellStep3.Post-reading(P4)Groupwork.GetSstodiscussthequestionsafterthetextonPage4.I.Dopost-Reading.1.Whatdoesthe“fuel”meaninthefirstparagraph?(Itmeansdifferentkindsofmaterials,suchasprotein,Calciumthatweneedtokeephealthy.)2.Whatdowehavetoconsiderwhenwechoosetobuyoreat?(Whatkindsofnutrientsthatthefoodcontain.)3.Whatmadeoureatinghabitchanging?(Manythings:whatpeoplebelieve,advicefromcompaniesandstores.)II.Discussthequestionsbelow,firstinpair,thenwiththerestoftheclass.(1)Whydopeoplegotofastfoodrestaurant?(2)Whyisitnotgoodforyoutoeattoomuchsugarandfat?(3)Whatcanwedotokeepabalanceddiet?Step4ListeningtothetapePlaythetapeforthestudentstolistenandfollow.Step5Homework1.Readaloudthepassage.2.Reviewtheimportantlanguagepointsinthepassage.materialinthepaperforconsolidation.附加材料:WHATISAHEALTHYDIET?Everypersonneedswaterandadietofhealthyfoods.Thesefoodsshouldcontainsomefat,somefibre,alittlesaltandsoon.Peopleneedenergytolive.Theyeatdifferentkindoffoodwhichchangeintoenergy.Theenergyismeasuredincalories.Evenwhenyouareasleep,youareusingenergy—about65caloriesanhour.Whileyouareatschool,orwalkinghome,yourbodyisburningup100caloriesanhour.Whenplayingfootballorbasketball,youmightbeusingperhapsasmuchas650caloriesanhour.TheChinesedietisconsideredtobethehealthiestintheworld.Itcontainsalotoffruitandgreenvegetables.Itisrichinfibreandlowinsugarandfat.TheChineseeatlesssugarthanmanyothercountriesintheworld.ThatiswhylotsofpeopleinChinahavehealthywhiteteeth.PeopleintheWesternworlddonoteatsuchhealthyfoods.Theyeattoomuchfatandsugaranddon’ttakeenoughexercise.Becauseofthis,theyputonweightveryeasily.Theirdietcontainsalotoffatintheformofpotatocrisps,potatochips,butter,creamandchocolate.Theyeatalotofsugarintheformofcakes,softdrinks,sweetsandsoon.Theresultisthatmanyofthembecomefat.Andsomehavebadteeth.InsomepartsofBritain,onepersoninten,bytheageofthirty,hasnoteethleft!Finishtheexercises:1、指出文章的体裁?2、指出文章的论点?3、文章如何论证论点(证明是非)通过中西方饮食习惯进行比较。4、最后得出何种结论(重点进一步阐明)。文章标题提出论点(主题主旨),WHATISAHEALTHYDIET?接着论证论点(证明是非),通过中西方饮食习惯进行比较,Chinesedietcontainsalotoffruitandvegetables;westerndietcontainsalotoffatandsugar.最后得出结论(重点进一步阐明);ThattheyarefatandinsomepartsofBritain,onepersoninten,bytheageofthirty,hasnoteethleft!本教案设计思路:阅读理解(ReadingComprehension)是高中英语教学的侧重点,其目的是不仅要让学生学会语言知识,获取文章提供的信息,领悟文章的内涵,更重要的是要使学生掌握阅读的方法和技能,成为有独立阅读能力的人。不同的文章都有各自的写作手法和表达方式,不知文章体裁,往往使阅读带有盲目性。利用课本中典型文章,帮助学生了解课文的体裁结构,指导学生运用体裁分析方法,分析其体裁框架及写作特点,让学生通过不断的阅读实践,达到举一反三的目的。中学课本中常用的体裁类型有:记叙文、说明文、应用文、议论文。但从文章的写作方式上来看,一般都以说明文类(exposition)、记叙文类(narration)和议论文(argument)为主。文章是信息的载体,文体是文章信息的布局模式,也就是说,文体对信息的组织布局模式,即文章的结构,在宏观上有重大影响。

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