Unit4StayHealthyTeachingaims1,Aimofknowledge1)masterthewordsforlesson27andexpressions2)masterthefollowingsentencepattensbemadefrom,bedifferentfrom,befullof,staystrong,abalanceddiet,2,AimofabilityLearnfourfoodgroups,3,AimofemotionExpresstheidea“goodfood,goodhealth”,Ifyouwanttobehealthy,pleaseeatabalanceddiet.OrganizationAskthestudentstopre-reviewthewordsforclassRevisionTalkaboutthefoodandhealthTeachingofnewlesson1.presentation,（用幻灯片打出人物对比图，weak---strong提出交谈话题，goodfood,goodhealth.）,askthestudentstosaytheirfavouritefood,fruitandvegetables.2.learnthewordoflesson273.Listening,letthestudentslistentothetapeoflesson27,Havetheclassfollowtheaudiotapewhilelookingatthetextandanswer:用幻灯片打出问题，Howmanyfoodgroupsarehere?Whatarethey?Four:foodfromgrain/fruitandvetetables/proteinfoods/calciumfoods.4.Reading,askthestudentsreadthetextcarefully,askthemtoanswerthequestionsafterreading用幻灯片打出有关课文细节的内容，帮助学生阅读理解课文，1)Whataremadefromgrain?2)Whatdothefoodsfromgraingiveyou?3)Whatdofruitandvegetablesgiveyou?4)Saythedifferencesbetweenvegetablesandfruit5)Whatdoesfreshmean?6)Whatdoesproteinhelpyou?7)Whatfoodhaveprotein?8)Iscalciumimportant?Why?9)Whatfoodcontaincalcium?5,letthestudentsdiscuss(用幻灯片打出讨论话题)1)Whatiscalcium?2)Whyiscalciumimportantforthebody?3)Whataresomefoodsthathavecalciuminthem?6,languagepoints,(幻灯片根据知识点出现的先后逐一打出知识点，帮助学生理解和学习知识的重难点。)PotatoesareaverypopularvegetableinNorthAmerica.Popular(adj)为众人所喜爱的、赞赏或欢迎的。例：PopmusicispopularamongtheyoungSwimmingisapopularformofexerciseBepopularwithsb某人所喜爱、赞赏、或欢迎的，例：ChinaDailyispopularwiththeEnglishlearnersProteinhelpsyourbodygrowandstaystronggrow和stay都用做系动词，grow表示“变得，逐渐”，后面跟形容词或过去分词。例：Heisgrowingfatterandfatter.Stay在句中做“保持某种状态”，后面经常跟形容词或名词，例：Hestayedawakeforoverthreehourslastnight.Wehavestayedfriendsformanyyears.Milk,cheese,butterandyogurtcontaincalciumContain动词，“包含，含有”，不用于进行时态，例：whatdoesthebagcontain?Contain“控制（某事或自己），抑制，克制，例：Hecouldhardlycontainhisanger.7,cometo“let’sdoit”8,homework(资源与学案)
