冀教版九年级英语 Unit 5 Lesson 29 《The Study of Living》共23张PPT)
冀教版英语九年级 Unit5 Lesson29(2)DNA The Story of You
The matter relates to Jack. Jack i_s_r_e_la_t_e_d_t_o the matter. Jack is the person_r_e_la_t_e_d_t_o the matter.
Language Points
not only…but also
F
5. It’s impossible to chams in your DNA can cause
T
some health problems.
7. You have part of your grandparents’ DNA.
T
Post-reading
2. Which is more complex, building a living thing or building a house? Building a living thing.
3. Does every living thing have its own unique DNA? No, except for some twins.
Useful Expression
except for
be related to not only…but also
Language Points
except
except for
1.Your homework is quite good except for a few spelling mistakes.
3. Which is more complex, building a living thing or building a house?
4. Whose DNA is related to you?
冀教版九年级英语Unit5Lesson29《TheStudyofLiving》
Read the lesson and answer the questions:
1.What is a blueprint? 2.Which is more complex, building a living
thing or building a house? 3.Do some twins have the same DNA? 4.Is it possible to change your DNA? 5.Whose DNA is related to yours?
am
Free Talk
Is it a good idea to change the DNA of the food we eat?
Let the students know about DNA,make the students be interested in science.
Fang Zuming looks like his father—Cheng Long. Do you know why? The two girls look the same . why?
Practice
I. 根据句意及所给汉语提示写出单词。 1. Sheidentified(认出) that the man was her uncle. 2. The engineer drew a blueprint(蓝图) to build the road. 3. The two boys are twins (双胞胎). They look the same. 4. Read the _i_n_s_t_r_u_c_ti_o_n_s (说明) first before you use the machine. 5. Please _r_ep__ea_t__ (复述) the words after the tape.
最新冀教版九年级上册英语精品课件:第五单元第29课
• 第•二D第级三o级you and the students n• e第a四级r you look the same?
• 第五级
What is the same?
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Zhang Liangying looks • 单击此li处ke编h辑er母m版o文th本e样r.式
3. _E__x_c_ep__t _fo_r___ identical twins, each living thing has its own unique DNA. (除……之外)
2019/9/3
17
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4. All the questions are easy _e_x_c_e_p_t_ the last one. (除了)
• 单击此处编辑母版文本样式
5. •T第he二r级e are many others __b_e_si_d_e_s__ me. (除了•…第•三…第级四还级 有)
• 第五级
6. We all went to Beijing __e_x_c_e_p_t_ Tom, who has been there before. (除了)
C. enjoys to live D. enjoy living
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• 单击此处编辑母版文本样式
• 第二级
• 第三级 1. Write a passage about
•
DNA, 第四级 • 第五级
try
to
tell
what
it
is,
where it is from, what
things you show your
parents’ DNA?
新冀教版九年级英语 Unit 5 Lesson 29 课件
This is the shape of DNA. Do you think it’s magic?
DNA ( Deoxyribonucleic acid ),中文译名为 “脱 氧核糖核酸”,是染色体的主要化学成 分,同时 也是基因组成的材料,有时被称为 “遗传微粒”。 DNA是ー种分子,可组成遗 传指令,构成ー个 简单生命至少需要265到 350个基因,以引导生 物发育与生命机能运作。 主要功能是长期性的资 讯储存,可比喻为 “蓝图”或“食谱”。其中包 含的指令,是 建构细胞内其他的化合物,如蛋白 质与RNA 所需。带有遗传讯息的DNA片段称 为基因, 其他的DNA序列,有些直接以自身构 造发挥 作用,有些则参与调控遗传讯息的表现。
Your DNA comes from your parents.
Your DNA has
billions of instructions that explain why you are the way you are. It’s one of the most amazing things on the earth!
But building a living thing is far more complex than building a house. It takes millions of years for nature to change the DNA in living things to make them fit the world they live in.
What do you know about DNA?
Every one has different DNA.
But twins have the same DNA.
冀教版九年级英语 Unit 5 Lesson 29 《The Study of Living》(共27张PPT)
e.g.他与我的家庭有关系。 He is related to my family.
4. Your DNA has billions of instructions that explain why you are the way you are. 你的DNA有数十亿条指令说明你为什么是 这样的。
than building a living thing.
()
1.Listen and write T / F. If it’s false, correct it.
1 DNA is the blueprint of life.
()
2 Building a house is far more complex
billions of “数以亿计的;大量的”。
e.g.数以亿计的星星在天空上。 Billions of stars are in the sky.
III. 分层提高
Exercise
1. Fill in the blanks with the phrases in the box.
in general except for not only…but also
Discuss and underline language points in pairs.
1. In general, a blueprint is a drawing that shows how to put a house together with many different parts. 一般而言,蓝图就是一副图纸,它显示一 座房子的构造。
He also knows Japanese __b_e_s_id_e_s__ English. 除了懂英语之外,他也懂日语。
冀教版英语九年级全一册 Unit 5:Lesson 29 DNA—The Story of you
九年级Lesson 29 DNA-The Story of You教案教师:Teaching Content:Mastery words and expressions: generally, twin, clone, not only…but also Oral words and expressions: blueprint, identical, egg, identifyTeaching Aims:1. Know how to write a passage on science.2. Learn something about DNA.3. Know more about our body.Teaching Important Point:1. Master the words and expressions of this lesson.2. The ability and inability.3. The use of coordinating conjunctions.Teaching Difficult Point: The usage of DNA.Teaching Preparation: picturesTeaching Aids: flashcards, audiotape, picturesType of lesson: new lessonTeaching Procedure:Step1.LeadingLead in the text by discussing what DNA is. Divide the class into several groups. Then talk about the subject for several minutes. Then one of the groups presents their opinions in front of the class.Step2. Listening task:Listen to the tape and fill in the blanks with the correct words you hear.1. Generally speaking, a ______ is a drawing.2. ______ for identical twins, each living thing has its own unique DNA. Play the tape once. Then let the students try to finish the task in class in oral.Step3. Reading task:Read the text quickly and answer the following questions:1. Where does your DNA come from?2. Is your DNA in every part of your body?Finish the reading task in class in oral. Try to get more information about the text at the same time.Step4. Read the text again.Find the sentences with the new words. Try to create situation about the new words. Then make sentences with the new words. If someone can make a whole story with the new words that we learn in this lesson, the teacher must encourage her. The sentences with the new words:1. Generally speaking, a blueprint is a drawing.2. Identical twins are two children that grew from the same egg.3. They are clones.4. From your DNA, scientists can identify not only you, but also people related to you.Step5.Let some students tell some details about the text.1. What is DNA?2. Where is your DNA from?3. What is DNA used for?Step6. Come to “LET'S DO IT”.Finish the task with a partner. Find the things about you that show your parents' DNA. Talk about if for a while. Then let some volunteers come to the front to talk about the subject.Step7.Homework1. Finish off the exercises in the activity book.2. Go on the next reading in the student book.Summary:You look like your father or your mother. That identifies the DNA of your body from your parents. DNA is very fascinating. Each living thing has its own unique DNA. Try to find more ways to use the DNA in many fields. Discuss the use of DNA in this class. Make full use of it to help more people in the world in more fields.。
冀教版英语九年级全册_Unit 5 全单元教案
Unit 5 Look into ScienceLesson 25: Let’s Do an Experiment!I. Learning aims:Master the new words:experiment, jar, upside, pour, correct, scientific, method, raincoat, force, pressure, concludeII. Learning important and difficult points:1) I cover the top with a piece of cardboard and hold it there.2) I am so sure of my theory that Brian can do the experiment over your headand I know you won’t get wet.3) The force of the air keeps the water in the jar.4) It is strong enough to hold the water.Language Points:1. I cover the top with a piece of cardboard and hold it there. 我用纸板把上面盖住然后托住它。
【用法】句式cover…with…意为“用……覆盖……”,类似句式be covered with 表示“被……覆盖”,这是一个系表结构。
【举例】①My mother covered the table with cloth. 我妈妈用布把桌子盖住了。
②The bed is covered with paper. 床上盖满了纸。
2. I am so sure of my theory that Brian can do the experiment over your head and I know you won’t get wet. 我对布莱恩在你头上做实验的理论很有把握,并且你不会湿的。
冀教版九年级英语 Unit5 Lesson 29DNA-the story of you(共23张PPT)
to you..
就近原则
根据你的DNA,科学家们不仅能识别出你,而且能识 别出和你有关系的人。
be related to与……有关
I might be __re_l_a_te_d_t_o__him.
Is__ wealth__re_l_at_e_d_t_o_hapiness?
4.Your DNA has billions of instructions that explain why you are the way you are.
Your article is quite good except for several spelling mistakes.
你的文章很好只有几处错误。
Everyone except John was able to answer.
除约翰外大家都能回答。
except for意为“除之外” He is a good man except for hot temper. 他是一个好人,知识脾气暴躁而已。
Language Pionts
1.一般来说
in general
2.除……之外 except for
3.与……相关 be related to
4.在将来
in the future
5.出生
be born
6.数十亿的
billions of
7.对…有影响 have influence on sb/sth
1.一般来说,男性比女性强壮。Generally speaking __I_n___ge_n_e_r_a_l ,man is stronger than woman.
2.除了两处拼写错误,这篇文章写的很好。 The article is good _e_x_c_e_p_t _f_o_r__ two spelling
2024年冀教版九年级英语上册Unit 5 Lesson 29 DNA-The StoryofYou
Lesson 29DNA — The Story of You 教学目标通过本课的学习,学生能够:1.获取和梳理文中关于DNA的介绍,形成信息结构图。
(学习理解)2.基于信息结构图的内容,结合自己对DNA的理解,转述本课的内容。
(应用实践)3.运用本课所学词汇和句型,结合自己对DNA的了解,谈谈对改变食物DNA 的看法。
(迁移创新)语篇研读What:本课语篇是说明文,主要介绍了DNA的作用、特点以及对人类的影响。
Why:文章通过介绍DNA,向我们展示了如何科学地介绍某种事物,让我们对DNA有了进一步的了解。
How:语篇由浅入深,先介绍了DNA是什么,它有什么特点,后介绍了DNA的奇异之处,包括它的独特性与共性、改造后对人类的影响以及从DNA中能获得什么。
教学过程设计理念:以《义务教育英语课程标准(2022年版)》核心素养为导向,以单元主题为引领,基于语篇的育人理念,体现《义务教育英语课程标准(2022年版)》“学思用创”的英语学习活动观和“教—学—评”一体化设计理念。
Activity 6: Work in groups 小组合作Is it a good idea to change the DNA ofthe food we eat? Some people say doingthis makes our food better. Others thinkit’s too dangerous. Search the Internetfor information and write down yourideas.观察学生小组讨论和完成任务的情况,倾听学生的展示并根据实际情况给出必要的指导和反馈设计意图小组合作,让学生讨论对转基因食物的看法。
一方面可以锻炼学生的思维能力,另一方面还可以加深对课文的理解,并能够灵活运用本课所学进行表达【迁移创新】Activity 7:Practice 通过练习巩固用法Complete the sentences, one word ineach blank.(见PPT)观察学生是否能完成练习任务,根据学生情况给出必要的指导和反馈设计意图通过练习,帮助学生在语境中练习本课知识点,锻炼学生在真实情况中运用所学的能力,让学生把所学加以内化【应用实践】板书设计Lesson 29DNA — The Story of Youa blueprint: a drawing, show how to put… togetherWhat’s DNA: the blueprint of lifefar more complextake millions of yearsDNA is fantastic: unique, except for some twinschange DNA, help with health problemsin every part of your bodyrepeat patterns from parentsinstructions作业设计基础型作业:1.Read the lesson fluently.2.Finish Exercises 2&3 on page 75.实践型作业:Write about your idea of changing the DNA of the food we eat. 教学反思。
冀教版英语九年级全一册 Unit 5 Look into Science Lesson 29 教案
Unit 5 Look into ScienceLesson 29:DNA—The Story of You【教学目标】1.记忆单词DNA, blueprint, general, complex, twin, repeat, pattern, identify, related, grandson, granddaughter, instruction;短语in general, except for, e related to, billions of.2.掌握重点句型:(1)In general, blueprint is a drawing that shows how to put a house together with many different parts.(2)But building a living thing is far more complex than building a house.(3)You have your own unique DNA, but it repeats patterns from your parents' DNA.(4)From your DNA, scientists can identify not only you, but also people who are related to you.3.能够用英语向他人介绍自己所知道的有关DNA的知识.4.能够理解课文内容并回答课后的问题.【教学内容】1.学会并能正确使用单词及短语:DNA, blueprint, general, complex, twin, repeat, pattern, identify, related, grandson, granddaughter, instruction, in general, except for, be related to, billions of.2.能够运用下列句型:(1)In general, blueprint is a drawing that shows how to put a house together with many different parts.(2)But building a living thing is far more complex than building a house.(3)You have your own unique DNA, but it repeats patterns from your parents' DNA.(4)From your DNA, scientists can identify not only you, but also people who are related to you.【教学重难点】1.能够正确应用本课的重点词汇:DNA, blueprint, general, complex, twin, repeat, pattern, identify, related, grandson, granddaughter, instruction;掌握短语in general, except for, be related to, billions of.2.能够用英语向他人介绍自己所知道的有关DNA的知识.【教学思路】思路一:以"DNA"为主题.通过展示图片,询问学生们"他们看起来一样吗?为什么一样?他们看起来不同吗?为什么不同?"引导学生们发现他们看起来相似的原因是由于DNA.通过设置学生感兴趣的话题导入新课,激发他们的学习兴趣,调动他们的积极性和主动性.思路二:以"DNA"为主题.通过师生对话,直接导入本课话题DNA.通过小组合作探究,找出文中的重点短语和句子,共同解决疑难.【教学准备】教师在课前设计教学PPT,准备录音机和磁带,多媒体等.【教学过程】Ⅰ.Lead inLeading in 情景1T: Hello, class. Today we'll learn Lesson 29. (The teacher shows two pictures on PPT.)Please look at the pictures. Are they look the same? Are there differences between them?S1: ...T: Why do some students look different? And why do cousins look similar?Ss: Because of DNA.T: Well done. Now let's learn Lesson 29: DNA—The Story of You.设计意图:通过展示图片,设置学生感兴趣的问题,引出本课话题——DNA.激发了学生的学习兴趣.Leading in 情景2T: Good morning/afternoon, everyone. What is DNA? What does DNA stand for?S1: DNA is something that all living things have.S2: DNA carries the genetic information that makes every living thing what it is.T: Very good. DNA is short for the full scientific term "deoxyribonucleic acid". That's hard tosay. DNA is much easier. Every living thing has its own DNA. DNA holds the information and instructions for creating a living thing. For example, I have straight black hair because part of the instructions in my DNA was to give me straight black hair. My grandmother has the same straight black hair. I have part of my grandmother's DNA.设计意图:教师采用直接导入的方法,引出本课话题——DNA,使学生很直观地进入本课的学习,为下面的学习奠定基础.Ⅱ.PresentationThe teacher shows the new words on PPT. Ask students to try to read these words. The students follow the teacher three times. Then give the students five minutes to remember the words. Let students spell and read them one by one.设计意图:教师以PPT的形式呈现本课中出现的生词,领着学生们朗读并记忆,为下面的课文学习做好充分准备.Ⅲ.Reading1.Read the text aloud.T: Boys and girls, it's our reading time. Please read after the video and you should pay more attention to your pronunciation.设计意图:让学生大声朗读课文,对课文的意思有个大致的了解,对于培养学生的正确发音以及培养学生的语感都有重要作用.2.Careful reading.T: Boys and girls, now this time, I'll make the exercise a little more difficult. Read the lesson again and answer the questions.Show Let's Do It!Read the lesson and answer the questions.(1)What is a blueprint?(2)Which is more complex, building a living thing or building a house?(3)Do some twins have the same DNA?(4)Is it possible to change your DNA?(5)Whose DNA is related to yours?Keys:(1)A blueprint is a drawing that shows how to put a house together with many different parts.(2)Building a living thing is far more complex than building a house.(3)Yes, they do.(4)Yes, it is. In the future, scientists might be able to change our DNA.(5)People who are related to me. For example, my parents and grandparents.设计意图:要求学生认真阅读课文,把握课文信息,回答问题,对文章内容有更深层次的理解.3.Read the text and find out main phrases and sentences.Main phrases:In generalExcept forBe related toBillions ofMain sentences:What can scientists do with DNA?But building a living thing is far more complex than building a house.Except for some twins, every living thing has its own unique DNA.Some health problems can be caused by problems in your DNA.In the future, scientists might be able to change your DNA.There are copies of your DNA in every part of your body.You have your own unique DNA, but it repeats patterns from your parents' DNA.Your DNA has billions of instructions that explain why you are the way you are.It's one of the most amazing things on the earth!教材解读:(1)What can scientists do with DNA?do with为固定短语,意为"处理",强调对象,与疑问词what连用.拓展:deal with也意为"对待,处理",侧重处理的方式、方法,与疑问词how连用.(2)In general, a blueprint is a drawing that shows how to put a house together with many different parts.in general意为"一般而言,概括说来",通常置于句首,也可以用generally speaking来表示.different为形容词,意为"不同的",常用于以下结构中:be different from与……不同;be different in…在……上不同.(3)But building a living thing is far more complex than building a house.living为形容词,意为"活着的,活的",常作定语.far为副词,意为"非常,远远",用来修饰形容词和副词的比较级,表示程度.拓展:同样用法的词还有even"甚至"; rather"相当"; much"……得多"; a little/bit"有点"; a lot"……得多"等等.(4)Except for some twins, every living thing has its own unique DNA.except for意为"除……之外",它要求排除的是不同类的.辨析: except for, except, besides, butexcept for意为"除了",表示对主体的肯定和局部的否定,用于不同类的事物间.except可用作介词,意为"除了……之外",表示同类事物间的排除关系.besides可用作介词,意为"除……之外",表示同类事物间的叠加关系.but可用作介词,意为"除……之外",常与no, all, every, each, none, nobody等词连用,有时可与except互换.every为形容词,意为"每一的,每一个的",其后接单数名词;"every+单数名词"作主语时,谓语动词用单数;every强调整体概念,不能直接与of连用,指三者及三者以上中的每一个.拓展:each可作形容词,意为"每个的",也可用作代词,意为"每个",each作形容词时只能作定语,其后接单数名词;"each+单数名词"或each作主语时,谓语动词用单数;each强调个体,可与of连用,指两者及两者以上中的每一个.注意:"every/each+单数名词+and+ every/each+单数名词"结构作主语时,谓语动词用单数形式.own作形容词,意为"自己的",位于物主代词或名词所有格之后,还可作动词,意为"拥有",其后宾语多表示房屋、土地或财产等,其名词形式为owner,意为"物主".(5)Some health problems can be caused by problems in your DNA.health为不可数名词,意为"健康",常构成短语in good/bad health,意为"健康/不健康".拓展:healthy为形容词,意为"健康的";unhealthy意为"不健康的",keep/stay healthy意为"保持健康".healthily为副词,意为"健康地",eat healthily意为"吃得健康".cause为及物动词,意为"引起,导致,发生",后面可接双宾语,也可接动词不定式作宾语补足语.拓展:cause作名词,意为"原因、起因".指导致某种结果、造成一种事实的原因,通常与of连用.(6)In the future, scientists might be able to change your DNA.be able to意为"能,会",表示通过努力而获得的能力,强调结果,可用于各种时态,其后接动词原形.(7)You have your own unique DNA, but it repeats patterns from your parents' DNA.repeat为及物动词,意为"重复,重述",后接名词或代词作宾语.parents'意为"父母亲的",是复数名词的所有格形式.(8)From your DNA, scientists can identify not only you, but also people who are related to you.identify为及物动词,意为"确认,识别,鉴别",后接名词或代词作宾语.be related to意为"和……有联系,和……有关,与……有亲戚关系".related为形容词,意为"有关的、相关的".relate为动词,意为"把……联系起来",常与to或with搭配.(9)Your DNA has billions of instructions that explain why you are the way you are.本句句末的you are是the way的定语从句.the way的定语从句的引导词可用in which,或用that,也可以不用引导词.way在本句中意为"情况、状态".(10)It's one of the most amazing things on the earth!one of the most amazing things意为"最令人惊奇的事情之一",为"one of the+形容词的最高级+复数名词"结构.其中定冠词the也可使用形容词性的物主代词来代替.设计意图:学生是学习的主体,教师要努力调动学生学习的积极性和主动性,通过组内合作讨论、探究,找出课文中的关键单词、短语和句子,把所学的知识转化为学习能力.Ⅳ.Task1.Show Let's Do It!Is it a good idea to change the DNA of the food we eat? Some people say doing this makes our food better. Others think it's too dangerous. Search the Internet for information and write down your ideas.2.Have the students consider the questions in Let's Do It! No. 4.3.Have them complete this task and research genetically modified food. Their research should answer the following questions:Do you think it's a good idea to change the DNA of the food we eat? Why or why not?What are some of the positives of genetically modified food?What are some of the negatives of genetically modified food?4.Have the groups present their research in the form of a commercial that is either advertising the continuation of genetically modified food or the end of it.设计意图:锻炼学生的口语表达与写作能力,同时培养学生的合作意识.Ⅴ.Practice1.Show Let's Do It! No. 2.Fill in the blanks with the phrases in the box.in general, except for, not only…but also, related to, even if, the same…as…(1)Your homework is quite good ______ a few spelling mistakes.(2)______ the young ______ the old like pop music.(3)Kate's hair is ______ color ______ her sister's.(4)______, women live longer than men.(5)______ many difficulties remain, we can overcome them.(6)Is wealth ______ happiness?2.Complete the passage with the sentences in the box.Changing DNADo you know DNA can be changed? Have you ever seen a pig with a dog's body? Of course not! Pigs and dogs can't have babies together. ______ but now, scientists can do it. Scientists can take DNA from one kind of animal and put it into another kind of animal. They can design new plants by combining the DNA of other plants. ______ Some scientists are worried. They say we need to know more about DNA before we start changing it. ______ But what if the plants are bad for humans, too?A.Their DNA can't combine.B.We can make plants that are bad for pests.C.They can even combine the DNA of a plant and an animal.3.同义句转换(1)Both you and Linda give us a big surprise._______ _______you_______ _______Linda _______ us a big surprise.(2)It takes me half an hour to clean up my room.I _______half an hour _______ up my room.(3)My book isn't the same as his.My book is_______ _______his.(4)What do you do with this problem?_______do you _______ with this problem?(5)He can speak Chinese.He is ______________speak Chinese.(6)I don't know how I could build a house.I don't know how_______ _______a house.Keys:Ⅰ.1.except for 2.Not only, but also 3.the same, as 4.In general 5.Even if 6.related toⅡ.A,C,BⅢ.1.Not only, but also, gives 2.Spend, cleaning3.different from 4.How, deal 5.able to 6.to build设计意图:在掌握了课文中的重点句子和短语之后,做词汇、句子、短文练习,能有效巩固本课所学知识点.Ⅵ.SummaryIn this class, we've learned DNA.设计意图:给学生总结,让学生明确这节课的学习内容.Homework1.Finish off the exercises in the activity book.2.Preview Lesson 30.设计意图:让学生通过习题巩固本节课知识点,并提前做好预习.。
2022冀教版英语九年级全一册 Unit 5:Lesson 28 ---29课 教案
Ask and answer in pairs
Read and remember the new words.
Read the phrases aloud
Watch it and listen to it carefully, then answer the following questions
How do the butterflies know when to fly south?
How do all the great-great grandchildren find the same forest in Mexico?
设计意图:带着任务读课文,培养学生的阅读理解能力。帮助他们练习正确的应答形式,提高正确运用英语的能力。
2. Where do they lay eggs? Milkweed.
3. What does “this” refer in Paragraph 3 ?
Farmers use chemicals that kill milkweed.
4. What don’t scientists understand?
2. What mysteries of nature do you know about?
设计意图:给学生创造表达自己,练习口语的机会。
Step 3. Show students the new words in this lesson.
Chip Taylor奇普。泰勒biology生物学;生物
butterfly蝴蝶migrate移居;迁徙
Listen to the tape and fill in the blank
Read the text and answer the following questions
河北专用2023九年级英语上册Unit5LookintoScienceLesson29DNA_The
7.identified 句意:他在几百个行李箱中认出了自己的行李箱,便把它拿走了。and连接
并列成分,由and及其后的took可知,空处应用一般过去时。
8.twins 句意:许多人以为他们是双胞胎,但他们不是。由they和were可知,空处用名词
的复数形式。
9.more complex
句意:这个问题比我想象的更复杂。它真的很难解决。由空后的than
live in the countryside.
3.Moften takes care of him after school.
(孙女) are so cute. I always want to play with them.
5.They are studying behavior
Lesson 29: DNA — The Stor
一、词汇运用
(A)根据句意及汉语提示写出单词
1.These courses(课程) are based on topics of
(普遍的) interest.
2.[2020舟山中考改编]My grandfather often
(重复) that he wants to go back and
and left love notes around the house for their wives. They had so much in common, it
seemed unlikely these were just coincidences (巧合).
The Jim twins were just one of 137 sets of separated twins Bouchard tested. When they
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5. Your DNA has billions of instructions that explain
why you are the way you are.(翻译) [ɪn'strʌkʃ(ə)n]
Read aloud and then use the key words to describe DNA.
2.Everyone is here except Tom.
DNA
(fantastic)
Some health problems can be caused by problems in your DNA.
unique
DNA
(fantastic)
health
In the future, scientists might be able to change your DNA.
3 . You can have any of the cakes _____e_x_c_e_p_t__ this one, for it’s for Cindy.
4. __I_n_g_e_n_e_r_a_l __, women live longer than men. 5. He is the person ____r_el_a_te_d__to__ to my family. 6. I don’t think wealth ___i_s_r_el_a_te_d__to_ happiness
No, except for some twins. [twɪn]
4. Whose DNA is related to you?
People who are related to us. For example, our
parents , grandparents , grandsons and granddaughters.
英语冀教版九年级上
Lesson 29
DNA---The Story of You
Wang Shubao NO. 19 Middle School
China’s Most Famous “Farmer”
Professor Sir Ian Wilmut
DNA
deoxyribonucleic acid
DNA (fantastic)
Except for some twins, every living thing has its own unique DNA.
1.Your homework is quite good except for a few spelling munisiqtaukees.
2. Which is more complex, building a living thing or building a house? ['kɒmpleks]
Building a living thing.
[juː'niːk]
3. Does every living thing have its own unique DNA?
One student reads the sentence, the other student tells us true or false as soon as possible.
1. Your hair has the same DNA as your blood. 2. Twins have the same DNA. 3. Everyone has his own unique DNA. 4. You have the same DNA as your parents. 5. It’s impossible to change your DNA. 6. Some problems in your DNA can cause
change
Not only I but also Tom _e_n_jo_y_s_(enjoy)fishing.
Fill in the blanks with the phrases in the box.
in general, except for, not only… but also related to, except, be related to
unique
DNA
(fantastic)
health
change
There are copies of your
DNA in every part of your
body.
unique
health
DNA
(fantastic)
copy
change
From your DNA, scientists can identify not only you, but also people who are
1. Your composition is quite good _____e_x_c_ep_t__fo_ra few spelling mistakes.
2. ___N_o_t_o_n_l_y___ the young _____b_u_t_a_ls_o__ the old like pop music.
[di:'ɔksi,raibəunju:'kli:ik]
What do you know about DNA? What can scientists do with DNA?
Task 1 Skim and Answer(略读\ 跳读)
What’s the topic sentence of this passage?
DNA is the blueprint of life.
Task 2 Scan , answer and translate
1. What is a blueprint? ['bluːprɪnt]
A blueprint is a drawing that shows how to put
a house together with many different parts.
relateduntoiqyuoeu.
Threelamtedatter relates to Jack. health
Jack _i_s_r_el_a_te_d_Dt_oNA the matter.
(fantastic)
Jack is the person_r_e_la_te__t_o_
the mactotepyr.