高中英语人教新课标必修三Unit2Healthy eating教案.doc

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1、UnUnit2HealthyeatingitPeriodoneWarmingupTeachingaim:Toappreciatewhatabalanceddietis.Teachingprocedures:Step1.LeadinHello,everyone!Todaywearegoingtotalkaboutaninterestingtopic---HealthEating.Beforeourbeginning,pleasewritedownwhatyoueachthinkaboutmakingahealthymeal,whetheryoue

2、atahealthydiet,andwhetheryouknowthatthefoodyoueathelpsyougrowindifferentways.Asyou’reready,compareyourideawithyourpartner.Andthen,we’llinvitesomepairsofyoutogiveusyourideas.Classifyfoodaccordingtotheirfunctionsandfillintheform.FoodstogiveenergyFoodstogrowbonesandmuscle(body-

3、buildingfoods)Foodsthatgivefiberfordigestionandhealth(protectivefood)FastenergyfoodSlowenergyfoodricenoodlesbread……butter…….meateggsmilk…….allvegetablesallfruit…….Step2.DiscussionAskSstoworkthefollowingquestionsoutingroupsandletthembecomefamiliarwiththecontentsofeachone.Ques

4、tions:1.Whydoyouthinkthefoodisdividedintodifferentgroups?2.Howdoesthisinformationhelpyoumakeahealthymeal?22/22Step3.AnalysingNow,pleasedesignamealwhichtheyenjoy.Andthenanalyseyourmealaccordingtothecategoriesoffoodsetoutinthetextbook.1.Istheirmealbalanced?2.Doesitincludefoodf

5、romeachofthethreecategories?What(ifanything)ismissing?Step4.Toexaminetheanswers.Thefirstthreequestionsareallpersons.Buttheforthquestionisnot.(Whatwillhappentoyouifyoudon’teatabalanceddiet?)Suggestedanswers:ifyoueattoomuchenergy-givingfoodsyouwillbecomefatandsufferfromhighblo

6、odpressure;ifyoueattoomuchbody-buildingfoodyouwillgrowtallerandstrongerbutnotnecessarilyhealthier;ifyoueattoomuchprotectivefoodsforeverymealyoumaylackenergy.Howeverwithoutprotectivefood(overalongperiodoftime)youcangetseriousillnesseslikescurvy(lackofvitaminC)orrickets(lackof

7、vitaminD);ifyoudon’teatenoughfoodofanyofthethreekindsyoumaygetanorexia(toothin).Step5.Homework:Writedownmoreyouknowaboutdiet.PeriodtwoReadingTeachingaims:1.EnableSstobecomemoreawareofthedifficultiesassociatedwithpreparedfoods.2.HelpSsknowtheharmsofunbalanceddiets.Teachingpro

8、cedures:Step1.Pre-reading1.DiscussingroupsWorkoutwhatnutritiontheyhaveWhich