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1、单击此处编母版标题样式单击此处编辑母版文本样式第二级第三级第四级第五级Lesson 29:Lesson 29:DNAThe Story of YouDNAThe Story of You单击此处编母版标题样式单击此处编辑母版文本样式第二级第三级第四级第五级I.Learning aims:The new words:DNA,blueprint,general,complex,twin,repeat,pattern,identify,related,grandson,granddaughter,instruction II.Train the speaking and writing abilit
2、ies.2023/2/232单击此处编母版标题样式单击此处编辑母版文本样式第二级第三级第四级第五级New Words DNA blueprint general complex twin repeat pattern identify related grandson granddaughter instruction2023/2/233单击此处编母版标题样式单击此处编辑母版文本样式第二级第三级第四级第五级Warming upWarming upDo you and the students near you look the same?What is the same?单击此处编母版标题样式
3、单击此处编辑母版文本样式第二级第三级第四级第五级Zhang Liangying looks like her mother.单击此处编母版标题样式单击此处编辑母版文本样式第二级第三级第四级第五级Identical twins are two children that grew from the same egg.They have identical DNA.Theyre clones!2023/2/236单击此处编母版标题样式单击此处编辑母版文本样式第二级第三级第四级第五级 Do you and the students near you look the same?What is the
4、 same?Are there any differences between you and them?What can scientists do with“DNA”?Free Talk单击此处编母版标题样式单击此处编辑母版文本样式第二级第三级第四级第五级Listening TaskGenerally speaking,a _ is a drawing._ for identical twins,each living thing has its own unique DNA.blueprintExcept单击此处编母版标题样式单击此处编辑母版文本样式第二级第三级第四级第五级Reading
5、 TaskReading TaskWhere does your DNA come from?Parents.Is your DNA in every part of your body?Yes,it is.单击此处编母版标题样式单击此处编辑母版文本样式第二级第三级第四级第五级Listen and ThinkDo you and the students near you look the same?Are there differences between you and them?What can scientists do with“DNA”?单击此处编母版标题样式单击此处编辑母版文本样
6、式第二级第三级第四级第五级 1.But building a living thing is far more complex than building a house.Language points 比较级前可以用比较级前可以用much,even,still,far,a bit,a little,a lot 等词加以修饰。等词加以修饰。This unit is much easier than that one.这个单元比那个单元容易得多。单击此处编母版标题样式单击此处编辑母版文本样式第二级第三级第四级第五级2.own 的用法的用法 1）adj.自己的自己的（用在所有格后，加强语气）（用在
7、所有格后，加强语气）Now ask the same questions about your own teachers.She makes all her own clothes.2)vt.有，拥有有，拥有 Who owns the bike?单击此处编母版标题样式单击此处编辑母版文本样式第二级第三级第四级第五级3.except for 除除以外，只是以外，只是 He is a good man except for hot temper.Your article is quite good except for several spelling mistakes.单击此处编母版标题样式单击
8、此处编辑母版文本样式第二级第三级第四级第五级4.not only.but also.不但不但而且而且连接两个相同的成分，也可以连接两个分句。当接两个主语时，谓连接两个相同的成分，也可以连接两个分句。当接两个主语时，谓语动词和后面主语保持一致。语动词和后面主语保持一致。e.g.He likes not only English but also math.Not only you but also I am a teacher.5.relate to 涉及；有关涉及；有关 e.g.The story related to the Second World War.I have a book re
9、lating to the Autumn Harvest Uprising.单击此处编母版标题样式单击此处编辑母版文本样式第二级第三级第四级第五级 Students discuss these with their partners,then say out in class.Lets do it单击此处编母版标题样式单击此处编辑母版文本样式第二级第三级第四级第五级Exercises2023/2/2316单击此处编母版标题样式单击此处编辑母版文本样式第二级第三级第四级第五级1.Everyone wrote a good poem _ her.(除了除了)2._ Tom,five other b
10、oys also passed the exam.(除了除了还有还有)3._ identical twins,each living thing has its own unique DNA.(除除之外之外)exceptBesides Except for2023/2/2317单击此处编母版标题样式单击此处编辑母版文本样式第二级第三级第四级第五级4.All the questions are easy _ the last one.(除了除了)5.There are many others _ me.(除了除了还有还有)6.We all went to Beijing _ Tom,who ha
11、s been there before.(除了除了)except besidesexcept2023/2/2318单击此处编母版标题样式单击此处编辑母版文本样式第二级第三级第四级第五级1.I can _ swim _ skate.(不但不但而且而且)2.它不仅能说汉语而且还会说英语。它不仅能说汉语而且还会说英语。He can speak _.3.Not only you but also I _(be)a teacher.4.Not only I but also he _(know)the answer to the question.amnot only Chinese but also
12、Englishnot only but also knows单击此处编母版标题样式单击此处编辑母版文本样式第二级第三级第四级第五级5.Neither they nor I _ good at singing.A.are B.be C.is D.am 6.Both my father and I _ in the country.A.enjoys living B.enjoy to live C.enjoys to live D.enjoy livingDD单击此处编母版标题样式单击此处编辑母版文本样式第二级第三级第四级第五级1.Write a passage about DNA,try to tell what it is,where it is from,what things you show your parents DNA?2.Preview Lesson 30.