新冀教版九年级英语Lesson 29 教学设计教案
Lesson29DNA—TheStoryofYou教案2023-2024学年冀教版英语九年级全册
②关键词：DNA、基因、染色体、复制、转录、甲基化、基因编辑、DNA指纹、基因治疗。
③句型：DNA是由核苷酸组成的双螺旋结构，它是生物体内的遗传物质，负责存储和传递遗传信息；DNA的复制保证了遗传信息的准确传递；基因决定了生物的性状；DNA技术在医学和基因工程等领域有广泛的应用。
-采用项目导向学习法，教师可以组织学生进行小组项目，如设计一个关于DNA的小游戏或演示，让学生通过实践活动来巩固所学知识。
2.教学活动设计：
-角色扮演：学生可以扮演科学家、律师、医生等角色，通过模拟真实场景，如DNA鉴定法庭程序，来增强学生对DNA技术应用的理解。
-实验操作：学生可以参与DNA提取实验，通过亲自动手操作来观察DNA的结构和特性，提高学生的实践操作能力。
2.教学难点：
（1）DNA的结构：学生可能难以理解DNA的双螺旋结构和核苷酸的组成。可以通过动画演示和模型展示来帮助学生形象地理解。
（2）DNA的复制过程：学生可能难以理解DNA复制的机制和步骤。可以通过图解和实验演示来帮助学生掌握复制过程。
（3）基因与性状的关系：学生可能难以理解基因如何决定生物的性状。可以通过具体的实例和遗传图解来帮助学生理解。
作用与目的：
-帮助学生深入理解DNA知识点，掌握DNA技能。
-通过实践活动，培养学生的动手能力和解决问题的能力。
-通过合作学习，培养学生的团队合作意识和沟通能力。
3.课后拓展应用
教师活动：
-布置作业：教师根据本节课的内容，布置适量的课后作业，巩固学习效果。
-提供拓展资源：教师提供与DNA课题相关的拓展资源，如书籍、网站、视频等，供学生进一步学习。
冀教版九年级英语上册 Lesson 29【精品课件】
except 意为“除了”，说明整个基本情况后，对细节 for 加以纠正，其后一般接名词或名词性短语。 besides 意为“除了……之外还有”，包括所“除”的
事物在内。
but 意为“除……外”，多用在no，nobody，who ，where，all等词之后。
eg：Everybody except John was able to answer. 除了约翰外大家都能回答。 He is a good man except for a bad temper. 除了他的坏脾气，他是个好人。 I have another blue pen besides this one. 除了这支外，我还有一支蓝色钢笔。 They all have gone but me. 除了我他们都去了。
factory.
A．General speak B．Speaking generally
C．In general
D．In generally
【点拨】句意：通常来说，在这家工厂工作还是不错的。 In general通常来说。故选C。
知识点 3 开门见山法：此句是一个主旨句，整个段 落围绕DNA写作，接下来整个文章都是围绕其写作的。
知识点 4 except for 除……之外 eg：Your article is quite good except for several spelling mistakes. 除了几处拼写错误，你的文章很好。
考向 辨析 except，except for，besides与but
意为“除了”，表示从整体中除去，不包括所 except 除事物在内，除去的和非除去的是同类事物。
·Some health problems can be caused by problems in your DNA.Scientists can look for these problems and， sometimes❺，help you before you become sick.In the future，scientists might be able to change your DNA. ·There are copies of your DNA in every part of your body.For example，your finger has the same DNA as❻your hair.
冀教版九年级英语全册Lesson29DNA—TheStoryofYou教学设计
在导入新课的基础上，我将结合课文内容，详细讲解以下知识点：
1. DNA的定义：DNA是脱氧核糖核酸的缩写，是生物体内负责遗传信息传递的分子。
2. DNA的结构：DNA由两条互相缠绕的链组成，形成双螺旋结构；基本组成单位为核苷酸，包含磷酸、糖和碱基。
3. DNA的功能：DNA携带遗传信息，通过基因控制生物体的生长发育、形态结构和生理功能。
4.相关词汇：讲解生词和短语，如chromosome（染色体）、gene（基因）、inheritance（遗传）等，并举例说明其在实际语境中的应用。
（三）学生小组讨论，500字
讲授新知后，组织学生进行小组讨论，以下为讨论内容：
1.话题：DNA在生活中的应用，如基因检测、生物制药等。
2.分组：将学生分成若干小组，每个小组选择一个话题进行讨论。
冀教版九年级英语全册Lesson29DNA—TheStoryofYou教学设计
一、教学目标
（一）知识与技能
1.掌握本课的生词和短语，如：DNA, chromosome, gene, inheritance, identical等，并能在实际语境中正确运用。
2.理解并掌握一般现在时和现在进行时的用法，用以描述科学事实和正在进行的研究。
2.阅读理解：提供一篇关于DNA的短文，要求学生阅读后回答问题，检测他们的阅读理解能力。
3.写作练习：要求学生运用所学词汇和语法，写一篇关于DNA的小短文，如介绍DNA的结构、功能等。
4.口头表达：邀请学生上台，用英语介绍DNA的相关知识，锻炼他们的口头表达能力。
（五）总结归纳，500字
在课堂尾声，带领学生进行以下总结归纳：
三、教学重难点和教学设想
（一）教学重难点
九年级英语上册 Unit 5 Look into Science Lesson 29 DNA--The Story of You课件 冀教版
Fang Zuming looks like his father—Cheng Long.
Why?
Listening Task
•
Generally drawing.
speaking,
a
____b_l_u_e_pisriant
•
E_th_x_ic_ne_g_pthfoars
identical twins, its own unique
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
e.g. The story related to the Second World War.
I have a book relating to the Autumn Harvest Uprising.
② 根据自己预习时理解过的逻辑结构抓住老师的思路。老师讲课在多数情况下是根据教材本身的知识结构展开的，若把自己预习时所理解过的知识 逻辑结构与老师的讲解过程进行比较，便可以抓住老师的思路。
③ 根据老师的提示抓住老师的思路。老师在教学中经常有一些提示用语，如“请注意”、“我再重复一遍”、“这个问题的关键是····”等等，这些 用语往往体现了老师的思路。来自：学习方法网
windows. 3. 你的头发和皮肤有同样的DNA。
Your hair has __th_e___ _sa_m__e___ __D_N_A___ _a_s___ your
skin. 4. 她不但会唱歌，而且会跳舞。
She can _n_o_t__ _o_n_l_y__ sing __b_u_t__ _a_l_s_o____ dance.
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?
单击此处编母版标题样式
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
单击此处编母版标题样式
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
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 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Lesson-29-教学设计教案
between两者之间，among一般指三者或三者以上.
Jack sits between Lin Tao and Bob.
I was among the crowd.我处在人群中。
2.You use it to build a house.你用它来建造房子。
use的用法use…to do sth.用……做某事
除了脾气暴躁外，他是个好人。
2)own的用法adj.自己的（用在所有格后面，加强语气）She makes all her own clothes.
她所有的衣服都是自己做的。
vt.有；拥有Who owns the bike?
这辆自行车是谁的？
【友情提示】ownern.所有人；物主
He is the owner of the house.
Step 4.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?
2. It takes millions of years for nature to change the DNA in living things to make them fit the world they live in.
Self-learning & Group-work
Step 3. Show students some pictures to let them know something about DNA and the new words in this lesson.
冀教版九年级英语Lesson 29 DNA-The Story of You
课前预习:根据汉语提示完成句子。
1. She had a confused idea of life in ________ (一般的，普遍的).
2. Could you ______ (重复) that question for me?
3.You’ll get nowhere if you follow his __________ (方法)instruction.
2We all went to the zoo __________ Li Ming.
3He also knows Japanese __________ English.
4___________ one old lady, the bus was empty.
5She usually goes to work on her bike ________ when it rains.
（二）But building a living thing is ________ more complex than building a house.
但创造一个生物比盖房子要复杂得多。
far用来修饰形容词和副词的比较级，表示程度，译为“……得多”。这样的词语还有much, still, even, no, a little, a bit, a lot, rather, any等。
Ⅱ. Read the lesson and finish No.1 and No.3 on P75.
展示提升:Language points:
(一)____ _________, 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。
冀教版九年级上英语Lesson29课件缪婷
Learn the usage of prepositions and understand their function and meaning in sentences.
Infinitive verb forms
Learn the forms and usage of infinitive verbs, and understand the grammatical function of infinitives in sentences.
Language
The text employees rich vocabulary and complex presence structures to accommodate the depth and emotion of the theme
Reading and improving the text
The summary includes practical examples and tips for students to apply the listening skills they have learned in their daily lives and academic settings
Vocabulary learning
点击此处添加正文，文字是您思想的提炼，为了演示发布的良好效果，请言简意赅地阐述您的观点。
TWO
New vocabulary
Lesson 29 Lesson 30 Lesson 31 Lesson 32 10 new words 15 new words 12 new words 8 new words
Carry out lifeboat drill
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。
Unit5Lesson29教案冀教版英语九年级全册
Unit 5 Lesson 29教学目标1.记忆单词: DNA, blueprint, general, plex, twin, repeat,pattern,identify,related,grandson,granddaughter,instruction 短语in general, except for, be related to, billions of。
2.掌握重点句型:①In general, a blueprint is a drawing that shows how toput a house together with many different parts.②But building a living thing is far more plex than buildinga house.③You have your own unique DNA, but it repeats patterns fromyour parents’ DNA.④From your DNA, scientists can identify not only you, butalso people who are related to you.教学重点Through learning this lesson ,learn to use the key pointsrelated to this lesson教学难点Learn talking about DNA教学过程一、课前预习—导学I. Read and do Let`s Do It.(Part One), then finish thefollowing exercises.完成句子1.你的数学老师来自哪里?Where does your math teacher ___ ___?2.除了窗户小之外,这座房子很漂亮。
The house is beautiful ___ ___ the small windows.3.莎士比亚不仅是一名作家,还是一名演员。
冀教版九年级英语全册Lesson29DNA—TheStoryofYou优秀教学案例
（二）讲授新知
1.介绍DNA的基本概念，如DNA的定义、结构和组成单位。
2.讲解DNA的遗传规律，包括孟德尔遗传定律和染色体遗传。
3.介绍DNA在法医学中的应用，如DNA指纹鉴定和亲子鉴定。
4.通过示例，讲解DNA技术的原理和应用过程。
5.多元化的评价方式：本节课采用多元化的评价方式，既注重对学生的知识掌握程度的评价，也关注他们的能力发展和情感态度。通过学生的自评、互评和教师评价，全面了解学生的学习情况，为后续教学提供参考。
这五个亮点共同构成了本节课的教学特色，使学生在学习DNA知识的过程中，既能掌握学科知识，又能培养他们的实践能力、团队协作能力和科技伦理意识，为他们的全面发展和未来生活奠定坚实基础。
2.利用遗传实验，让学生亲身体验DNA的遗传规律。
3.组织学生进行小组讨论，探讨DNA在法医学中的应用及其意义。
4.鼓励学生进行课题研究，如调查DNA指纹鉴定在警方的应用情况。
（三）情感态度与价值观
1.培养学生对科学的热爱和好奇心，激发他们探索未知的欲望。
2.培养学生尊重事实、严谨治学的科学态度。
3.培养学生意识到科技发展对人类生活的影响，提高他们对科技伦理的关注。
三、教学策略
（一）情景创设
1.利用多媒体展示DNA相关的图片、视频等，为学生营造一个直观、生动的学习氛围。
2.设计有趣的实验，如DNA提取实验，让学生在动手操作中感受DNA的神奇。
3.创设真实情境，如模拟警方侦查案件，让学生亲身体验DNA技术在实际生活中的应用。
4.引导学生关注科技发展对社会的影响，引发他们对DNA技术伦理的思考。
4.培养学生学会关爱他人，增强他们的社会责任感。
冀教九年级英语《Lesson 29 DNA—The Story of You》课件
Warming up
• Do you and the students near you look the same? What is the same?
twins
Are there any differences between you and your friends?
• besides “除……之外，还有”，包括该词 后面的人或物。如：We all went to see a film besides Li Ming. 除李明以
2. From your DNA, scientists can identify not only you but also people related to you. 在 你的DNA中，科学家们不但能鉴别你，而 且也能鉴别和你有关系的人。
2. The engineer drew a
(蓝图) to build the
road.
twins
3. The two boys are
(双胞胎). They look
the same.
clone
4. It’s said that your
(克隆) is the same
as you in shapidee.ntical
Listening Task:
• Generally speakinbgl,uaep_ri_n_t ________ is a
Except
drawing. • __________ for identical twins, each
living thing has its own unique DNA.
• Your article is quite good except for several spelling mistakes. 你的文 章很好，只是有几处拼写错误。
冀教版九年级全一册英语 Lesson 29 教案(教学设计)
Unit 5 Look into Science Lesson 29 DNA—The Story of You单词blueprint, general, complex, twin, copy,掌握文中重点短语和句型。
能够熟练掌握本课general，copy，not only...but also...等单词及短语的用法。
Step 1：Warming up图片导入：提问Do you and the students near you look the same？What is the same？Are there differences between you and them？然后出示本班相貌差别较大的两名学生照片，并问：Do you think they look similar？Do you know they are cousins？激发学生浓厚的兴趣，自然而然地引出课题：Why do some students look different？And why do cousins look similar？Because of DNA.板书：Lesson 29：DNA—The Story of You.Step 2：ListeningListen to the tape twice with the following questions.1.In ________，a blueprint is a drawing.(general)2.________ some twins，every living thing has its own unique DNA.(Except for)3.You have your own unique DNA，but it ________ patterns from your parents’ DNA.(repeats)设计意图：播放课文内容的录音，目的是激发学生兴趣，使学生锻炼听力，同时使学生在脱离汉语干扰的情况下，用英语思维去理解课文。
冀教版英语九下Unit4Lesson29教案
Unit 4 Work for Peace第四课时◆课程目标导航【教学目标】1. 词汇(1)掌握词语：probably, belong, belong to, agree with, have a talk(2)认知词语：opinion2. 交际用语: I agree with you.I really can’t agree with Brian.3. 学会正确运用文中的重点短语：get along…with…, have a talk, belong to , because of …【教学重点】表达同意与不同意【教学难点】because of 与because的区别【学习策略】交际策略【教学方法】表演法、比较法◆教学情景导入At first ask the students some questions:1. Do you have many friends? Who is your close friend?2. What do you think of your friendship?3. Is it important to have friends? Why or why not?Then ask two or three students to show their answers.◆教学过程设计Step to the tape.1. Listen to the tape and answer the following questions:Q1: Who speaks first?Q2: Does Danny agree with Brian?2. Check the answers.3. Explain “agree with” and “disagree with”.Step the text.1. Read the text and find the sentences about agreement and disagreement.I agree with you.You two have already agreed about something.I really can’t agree with Brian.2. Summarize the sentences about agreement and disagreement.Agreement:Sure./certainly./ Of course./ All right.I agree (with you )/ Agreed.I agree to think about it.No problem.That’s a good idea.Yes, I think so.Disagreement:I don’t agree.I don’t think so.I’m afraid not.I really can’t agree with you.3. Read the text in role again.4. Ask some students to act out the dialogue in front.Step about it.1. Do you think Danny and Brian will stop being friends because of ten dollars?2. How can they get along better with each other?Explain “because of ”and “get along …with…”then ask the students to write their solution on a piece of paper and try to explain it for class.Step work.Group work of 3 students. Two of your friends are fighting. You try to stop them from fighting. Please create a short play and perform your play for the class. You’d better use these sentences:You should …You shouldn’t …Why don’t you …◆◆作业If you fight with your friend, what will you do then?Please write down your answers.Answer: I will have a talk with my friend. I don’t want to stop being friends because of a little thing. I think friendship is more important than anything. We can find a good way to solve the problem.。
冀教版九年级下册英语《Lesson 29 Jenny’s Good Advice》教案
冀教版九年级下册英语（Lesson 29: Jenny’s Good Advice）样板教案Lesson 29: Jenny’s Good AdviceTeaching Content:Mastery words and expressions: agree with, probably, belong, belong toOral words and expressions: opinion, have a talkTeaching Aims:Cultivate the students’ abilities of learning English.Know about the importance of peace.Teaching Important Points:Talk about the agreement and disagreement.The object clause.Teaching Difficult Points:The object clauseTeaching Preparation: picturesTeaching Aids: audiotape, flashcards, picturesType of lesson: new lessonTeaching Procedure:重点新词必备probably作为动词，意为“大概，很可能，也许〞，它在句中的位置有以下几种情况：﹙1﹚放在句首。
例如：Probably the best way to learn Spanishis by actually going to live in Spain .学习西班牙语最好的方法可能是整正到西班牙生活。
﹙2﹚放在实义动词前。
例如：He probably told her all about the matter.他很可能把这一切都告诉了她。
﹙3﹚放在助动词，情态动词或动词be之后。
冀教版英语九年级全册_lesson 29 dna---the story of you教学设计
Lesson 29: DNA—The Story of YouI. Learning aims:Master the new words:DNA, blueprint, general, complex, twin, copy, repeat, pattern, identify, related, grandson, granddaughter, instructionII. Learning important and difficult points:1) In general, a blueprint is a drawing that shows how to put ahouse together with many different parts.2) But building a living thing is far more complex than building a house.3) Except for some twins, every living thing has its own uniqueDNA.4) From your DNA, scientists can identify not only you, but alsopeople who are related to you.5) Your DNA has billions of instructions that explain why you are the way you are.Language Points:1. copy【用法】作可数名词，意为“复制品、一本、一册”，复数形式是copies。
【举例】①This is just a copy. Have you found it? 这只是一个复制品。
你发现了吗？②I borrowed two copies of magazines from the library. 我从图书馆借了辆本杂志。
- 1、下载文档前请自行甄别文档内容的完整性，平台不提供额外的编辑、内容补充、找答案等附加服务。
- 2、"仅部分预览"的文档,不可在线预览部分如存在完整性等问题,可反馈申请退款(可完整预览的文档不适用该条件!)。
- 3、如文档侵犯您的权益，请联系客服反馈,我们会尽快为您处理(人工客服工作时间：9:00-18:30)。
课题名Lesson29 DNA---The Story of You
主备人课时1课时
上课教师上课时间2015年月日
教学目标知识目标:Words and expressions
能力目标:Understand the articles about DNA. 德育目标:You are unique in the world.
教学重点一、重点词汇
blueprint, general, complex, twins, pattern, identify, be related to, except for.
二、重点句型
1. In general, a blueprint is a drawing that shows how to put a house together with many different parts.
2. It takes millions of years for nature to change the DNA in living things to make them fit the world they live in.
教学难点定语从句.
教学步骤教学过程个性化设计
Lead-in Step 1.Greetings.
Step 2. Think about it.
1.What do you know about DNA?
2. What can scientists do with DNA?
Present the Learning Aims and
Tasks 一、Master the following words and phrases: blueprint, general, complex, twins, pattern, identify, be related to, except for.
二、Master the following sentences:
1. In general, a blueprint is a drawing that shows how to put a house together with many different parts.
2. It takes millions of years for nature to change the DNA in living things to make them fit the world they live in.
Self-learning
& Group-work Step 3. Show students some pictures to let them know something about DNA and the new words in this
lesson.
Step 4. 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?
Presentation and Giving Directions Step 5. Language Points
1. Are there differences between you and them? 你和他们之间有什么不同吗?
【辨析】between与among
between两者之间，among一般指三者或三者以上. Jack sits between Lin Tao and Bob.
I was among the crowd. 我处在人群中。
2.You use it to build a house.你用它来建造房子。
use的用法use…to do sth. 用……做某事
He is using a knife to cut bread. 他正用小刀切面包。
【注意】use的形容词是useful，它是由use加后缀-ful 构成的。
如：
Is the fridge very useful? 这台冰箱很有用吗？
3.DNA is a pattern, too. DNA也是一种模型。
too表示“也”时,通常置于句末，其前用逗号隔开。
【辨析】too与either
too与either都表示“也”，其区别是too用于肯定句，表示“也”；either用于否定句，表示“也不”。
他们通常都位于句末，其前用逗号隔开。
如：
He has a sister, too. 他也有个小妹妹。
He doesn’t have a knife, either. 他也没有小刀。
4. Except for identical twins, each living thing has its own unique DNA.
除了每个双胞胎之外，每个生物都有它唯一的DNA。
1)except for除……以外，只是
He is a good man except for hot temper.
除了脾气暴躁外，他是个好人。
2)own的用法adj.自己的（用在所有格后面，加强语气）She makes all her own clothes.
她所有的衣服都是自己做的。
vt.有；拥有Who owns the bike?
这辆自行车是谁的？
【友情提示】owner n.所有人；物主
He is the owner of the house.
他是这座房子的主人。
Consolidation and Summary 一、用所给词的适当形式填空。
1. This is the __________(identify) hotel that we stayed in last year.
2. Your brothers are people _________(relate) to you.
3. Do you know who is the _________(own) of the house?
4. Your body uses this pattern _________ (build) itself.
5. You have your own DNA, but it repeats the patterns from your ______(parent) DNA.
6. Some health problems come from your family’s DNA.______(science) can look for these problems in your DNA.
Homework Step 7. Homework
Make a summary
What have you known about “DNA” now? What can scientists do with DNA?。