高二英语Module 8 Unit 2 Cloning

Unit 2 Cloning （Module 8）Period 1 Reading: Cloning: Where is it leading usClass ： Name ： __________ Group ： No ：______ Learning Objectives:1. Learn the useful new words and expressions.2. Read the passage and learn some information about cloning. Learning Key Points:1. Grasp the important words and expressions in the reading material.2. Learn the text and master the major uses of cloning and the success and problem of cloning Dolly the sheep. Learning Difficult Points:1. Improve the reading ability.2. Learn the reading skills: scanning and skimming.Learning Procedures:I. 【Pre-class homework 】 A. Warming upThere are two kinds of clones, a natural clone and a man-made clone. Do you know what is a natural clone? And what is a man-made clone?A natural clone is one that ______________________________________________________ Man-made clone is one that ____________________________________________________B. Pre-readingBackground reading:Scottish scientists at Roslyn Institute created the much-celebrated sheep "Dolly", aroused worldwide interest and concern because of its scientific and ethical implications. She was the first mammal to be cloned from adult DNA taken from an adult cell. Previously, animals had only been cloned using embryo(胚胎) cells which already have the potential to become a complete embryo in its own right. The big breakthrough with Dolly was to make a clone from an ordinary, adult cell − in this case from a female goat’s udder.Questions:1. How does Dolly differ from other sheep?She was ______________ by humans while the others were born naturally. So, Dolly was a ______________ sheep. 2. Should we clone a human?II. 【While-class 】 Step1. Lead-inStep2. Group discussion Step3．Consolidation 1. Reading____________________________________________________________________________________________________A. 做《朗声》p23. ⅣB. Read the text again and fill in the blanks.Cloning is a way of making an 1._________ (exactly) copy of another animal or plant. It has two major uses .2. ________, gardeners use it to earn profits. Secondly, it is valuable for research on new plant species and 3.________ medical research on animals. Although cloning mammals is difficult 4.__________ (undertake), the determination and patience of the scientists 5._______ (pay) off in 1996. The fact 6._______ she seemed to develop normally was very 7._____________(encourage). But she had half of the 8.________ (long ) of the original sheep, 9._________ arose scientists’concern. Up to now, cloning is still 10. ___________ (controversy).Step4．PresentationStep5．SummaryIII.【Post-class】Key:【Pre-class homework】A. Warming up:A natural clone is one that occurs in a natural form of cloning without human help.Man-made clone is one that is produced through human intervention(介入) .B. Pre-readingQuestions:1. She was cloned by humans while the others were born naturally. So, Dolly was a cloned sheep.2.In my opinion, I do not agree, for it may cause many moral problems.【While-class】1.exact2. Firstly,3. For4. to undertake. 5, paid 6,that 7. encouraging 8. length9, which 10, controversial____________________________________________________________________________________________________Period 2 Language points in Reading 1Class ： Name ： __________ Group ： No ：______ Learning Objectives:1.Learn and grasp the important useful new words and expressions.2. Learn the important useful sentences and patterns.3. Make sentences after the useful expressions. Learning Key Points:Grasp the usages of such important new words and expressions. Learning Difficult Points:Understand some difficult and long sentences.Learning Procedures:Ⅰ.【Pre-class homework 】 A. Phrases:1. 与……不同 11. 对……产生影响 2．一项难以承担的任务 12. 媒体 3．得到回报 13. 变得有争议的 4．一方面……另一方面…… 14. 打开眼界5. 令人感到不安的消息 15. 邪恶头目 6．沮丧，不愉快 16. 道德问题7. 适合于 17. 变得谨慎的8. 无法控制的命运 18. 收集证据9. 改进 19. 赞成 10. 一阵强烈的反对 20. 反对 B. Sentences(尽量用同位语从句翻译下列句子):1. 采纳新规则的建议是主席提出来的。

Book8 Unit2 CloningPeriod 1 Reading在英语教学中“阅读理解能力”是学生从阅读中获取信息的能力以及对文章理解的速度和准确性的关键因素。

培养学生的阅读能力是课文阅读教学的主要目标，同时还要注意培养学生在阅读过程中获取和处理信息的能力，让学生学会利用相关的英语知识去解读英语阅读材料。

本节课是一节阅读课，设计过程如下：导入引出克隆这一话题 --- 通过略读掌握段落大意，文章结构( read for structure )--- 通过精读了解文章细节信息( read for information )--- 通过对细节的推理学会猜测词义和推断作者立场态度 ( read for reference ) --- 通过整合信息，以高考语法填空的题型小结课文内容( read for consolidation ) ---独立思考后合作讨论( read for critical thinking ) --- 课后作业(写作拓展)。

教材里本单元内容，语言技能和语言知识都是围绕“克隆”这一中心话题设计的。

具体涉及“什么是克隆” , “克隆羊多利是如何诞生的”，“克隆的利与弊”等。

教师可在充分利用教材资源的基础上，结合学生的实际情况设计教学活动，旨在帮助学生有效地掌握阅读技巧，形成有效地学习方法和阅读策略，同时了解说明文篇章结构和写作特点，为下一步进行议论文的写作教学做好准备。

目标聚焦一、知识点初步理解、掌握克隆意为无性繁殖，克隆技术即为无性繁殖技术。

学习课文中关于克隆这一新生物技术的有关知识，学习分析课文中的长难句子，初步感知课文中出现的的本单元要学的语法现象。

二、能力点1、能理解文章主旨大意，获取信息、处理信息、进行推理判断和表达的能力。

2、形成分析篇章结构的能力，提升逻辑思维能力3、学会增加语言的输出量，提高语言表达能力。

4、能利用上下文猜测生词词义三、兴趣点 1、利用已获取的信息发表自己对进行人类克隆问题的看法。

人教版高中英语选修8《Unit 2 Cloning》教案人教版高中英语选修8《Unit 2 Cloning》教案【一】教学准备教学目标一、语言知识目标初步理解、掌握课文中关于克隆的词汇，学习分析课文中的长难句子。

二、阅读技能目标1. 能获取和处理文章中的主要信息。

2. 能够掌握文中出现的重要的语言知识三、学习策略目标掌握速读、略读、猜测词义等阅读策略。

四、情感态度目标让学生认识到克隆的利和弊。

五、文化意识目标了解克隆，正确地利用克隆技术来为人类服务。

教学重难点初步理解、掌握课文中关于克隆的词汇，学习分析课文中的长难句子。

教学过程Step 1 Daily reportOne student comes to the front and gives a report about advantages and disadvantages of science and technology.Step 2 leading-inThe teacher shows some pictures and starts a discussion about cloning.Step 3 SkimmingTask 1: Whats the main idea of the passage? Task 2: Match the main idea with each paragraph Para 1: A. Peoples attitude towards cloning. Para 2: B. The problems of Dolly.Para 3: C. The impact of Dolly.Para 4: D. Two major uses and the procedure of cloning.Para 5: E. The definition(定义)of cloning.Step 4 ScanningTask 1. Look through Para 2 and answer the following questions.(1) What are the two major uses of cloning?(2) Which one is easier, to make plant clones or animal clones?Task 2. Look through Para 3 and fill in the chart. Task 3. Do the following translation and word guessing.(1). Translation:On the other hand, Dollys appearance raised a storm of objections and had a great impact on the media and public imagination.(2). The word controversial in paragraph 4 probably means_________.A. complicatedB. arguableC. importantD. valuableTask4. Do the following Tor F questions based on Paragraph 5.1. People feared some evil leaders might use cloning to reach their goal.2. All the research into cloning will be forbidden.3. Religious leaders are in favor of human cloning.Step 5 Enjoy beautiful sentences1. Cloning plants is straightforward while cloning animals is very complicated.2. At last the determination and patience of the scientists paid off.3. The fact that she seemed to develop normally was very encouraging.Step 6 Question and answerThis part is for students to find if they still have questions. If there is any, they can ask their classmates to help them.Step 7 QuizNote: This part is very challenging. In the picture there are five numbers. Students can choose their lucky number and answer questions. Most of the questions are based on what they have learned in class.Step 8. Test yourselfFill in the blank with proper words.Cloning is a way of _______ (make) an exact copy of another animal or plant. It has two major uses. One is _______ gardeners use it to produce plants. The ______ is that it is valuable for medical research on animals. ________, the process of cloning is difficult ___________ (undertake).The first successful clone, Dolly the sheep, made the whole _________ (science) world follow its progress, though it had ________ problems than the normal sheep. On the other hand, Dollys appearance _______ (raise) a storm of objections and had a great impact ______ the media and public imagination. Different people have different opinions on it. However, scientists still wonder ______ cloning will help or harm us and where it is leading us.Step 9 DebateTopic: Are you for or against cloning?课后小结HomeworkWrite a passage entitled My view on cloning.课后习题评测练习主要有两个。

Unit 2 CloningThe First Period warming upAims1. Talk about cloning2. Practice expressing and supporting an opinionContentsTask one: Looking and speakingIn pairs, look at the pictures and discuss which ones are natural clones and which ones are man-made. Explain how they differ.A.Dolly the sheepB. A strawberry plantC.TwinsD. Identical dogsTask two: Questions about cloningWhat is a clone?How is a clone produced?What benefits can humans gain from cloning?What problems may arise when humans are cloned?Task three: Free talkIn pairs, discuss what you understand about cloning, then list the questions you want to find out. Share your lists with one another.1. Should we clone human?2. Could cloning replace sex as the means of creating new human life?3. Could a parent clone a child who is dying of a terminal illness?The Second Period ReadingAims:1. Help the Ss to know how to describe cloning and how to catch the details of the text.2. Activate the Ss to show their opinions about the cloning and enable the Ss to write and article on this debate.Contents:Leading in by revision.Task one: Fast readingWhat is a clone?Show the following.1. Cloning means making a copy of an animal or a plant. (F. e xact… another)2. Gardeners can make a lot of money by cloning plants.(T.)3. Cloning animals is as complicated as cloning plants.(F. more than)4. Dolly the sheep was the first successful clone of a mammal. (T.)5. Natural clones happen in animals as well as in plants.(T)Task two: Careful readingRead the text again, try to answer the following questions and find out the main idea of each paragraph .Questions:1. What’s the main idea of the text?2. How many years did the sheep that donated the somatic cell most probably live?3. Why did the Cloning of Dolly the sheep succeed?4. What does the word ‘straightforward’ mean in the second paragraph?5. What is the writer’s attitude toward cloning in this passage?The main idea of each paragraph:Para. 1 Cloning is a way of making an copy of another animal and plant.Para. 2 Cloning has two major uses.Para. 3 The problems of Dolly.Para. 4 The effect of Dolly.Para. 5 It is forbidden to clone human being.Task three: Notes for debating: Should we use cloning?Argument for cloning:Cloning will be beneficial to humansWe could use cloning to cure illnesses.Arguments against cloning:healthy risks form mutation of genesemotional risksagainst naturerisk of abuse of the technologyCloned animals get ill and die quite young;The Third Period Language PointsAims:1. Enable the Ss to grasp the words of cloning.Get the Ss to master some useful expressions.Contents:1. differ v.1) “To be dissimilar or unlike in nature, quality, amount, or form”eg：Ambition differs from greed.2) “To be of a different opinion; disagree”eg：The critic differed with the author on several facts.2. exact adj. “Strictly and completely in accord with fact; not deviating from truth or reality”eg：an exact account; an exact replica; your exact words.3. commercial adj. 1) “Of or relating to commerce” 2) “Engaged in commerce’eg：a commercial loan; a commercial attaché; a commercial trucker.4. straightforward adj. 1) “honest’ 2) “easy to understand”eg: a ~ explanation; written in ~ language; a ~ problem in algebra5. procedure n.1) ‘A manner of proceeding; a way of performing or effecting something’eg：complained to the manager, and by this procedure got the money back.2) “A series of steps taken to accomplish an end”6. undertake v.1) “To take upon oneself; decide or agree to do”eg：undertake a task.2) “To pledge or commit (oneself) to’eg：undertake oneself to care for an elderly relative.7. breakthrough n.1) “An act of overcoming or penetrating an obstacle or restriction.”2) ‘A military offensive that penetrates an enemy's lines of defense’eg: a ~ in cancer research8. disturb v. “break the quiet, calm and peace’eg: She opened the door quietly so as not to disturb the sleeping boy.Don’t ~ the papers on my desk.9. arbitrary adj.1) “Determined by chance, whim, or impulse, and not by necessity, reason”eg：stopped at the first motel we passed, an arbitrary choice; arbitrary division of the group into halves.2) “Based on or subject to individual judgment or preference”eg：The diet imposes overall calorie limits, but daily menus are arbitrary.10. altogether adv.1) “Entirely; completely; utterly”eg：lost the TV picture altogether; an altogether new approach.2) “With all included or counted; all told”eg：There were altogether 20 people at the dinner.11. objection n. “The act of objecting”eg: He has a strong ~ to getting up early.~s to the plan will be listened to sympathetically.12. media n. 媒体eg: The running for president drew the ~’s attention.Now the press is an useful media.13. moral adj.1)“Of or concerned with the judgment of the goodness or badness”eg：moral scrutiny; a moral quandary.2) “Teaching or exhibiting goodness or correctness of character”eg：a moral lesson.14. accumulate v. “To gather or pile up”eg: By buying ten books every month, he soon ~d a library.Dust soon ~s if the room is not swept.15. forbid v.1) “To command (someone) not to do something”eg：I forbid you to go.2) “To command against the doing or use of (something); prohibit”eg：forbid smoking on trains.The Forth period Learning about language and Using languageAims:Let the Ss know more about the cloning.Improve the students’ listening, reading and writing ability.Contents:Task one: gap fillingplete the sentences using suitable words or phrases from the prevision sections.2.Rewrite the sentences using words of similar meaning to replace the underlined words.e the words and phrases below to fill in the passage.Task two: reading and discussing1.Read the passage and answer the questions.2.In pairs, discuss which extinct animals described below (which died out less than 10,000 yearsago) are worth restoring by means of cloning.a. Auroch (1627)b. Dodo bird (1755)c. Great auk (1844)d. Quagga (1883)Task three: listening and writing1.Read the statements before listening. Tick those that you hear.2.Listen to the tape again and then work with a partner to fill in the chart on page 17.3.Whose idea do you agree with according to the listening materials? Get ready to write acomposition. Think about the reasons for your point of view. Use your own ideas as well as those in the text.。

Module 8 Unit 2 CloningCloning：Where Is It Leading Us？(Warming up & Comprehending & Language points)Class: ______ No.___ Group: ___ Name:_________ 组内评价：___ 教师评价：___【Learning Aims】1. To improve the ability of grasping the main idea andfinding key information.2. To enable the students to talk about cloning and helpthem to have a good and correct knowledge of cloning.3. To learn key words and phrases in the passage.Warming up【自主学习】Task 1: Warming up1.What is cloning?Cloning is a way of making an ________ ______ of another animal or plant.2. Do you know how natural clones and man-made clones differ?A _______________ is one that occurs in nature.A _______________ is one that is produced through human intervention(人类介入).3. What benefits can humans gain from cloning?________________________________________________________________________________________________________________________________ComprehendingTask I Fast reading1.Skim the passage and get the main idea of each paragraph.Para 1: The ________________of cloningPara 2: The two _______ _______ and ______________ of cloningPara 3: The ______________ ofDollyPara 4: The ______________ ofDollyPara 5: People’s __________ to cloning2. Sum up the main idea of the text.The passage tells us that animal cloning raised _____________ and scientists are not sure about its ___________.Study the procedure of cloning Dolly the sheep carefully, and then give the order of the procedure.A) Match the following the egg cell the nucleus the somatic cell the embryoTask III Inquiry reading What do you think is the writer ’s point of view in this reading passage? Is it in favour of cloning or against it? I think the writer is__________________because ____________________________Task IV Translate the following sentences into Chinese orally and try to recite them.1. (L7,P11) Cloning plants is straightforward while cloning animals is very complicated.2. (L12,P11) The fact that she seemed to develop normally was very encouraging.3. (L12,P11) Then came the disturbing news that Dolly had become seriously ill.4. (L28,P12) However, scientists still wonder whether cloning will help or harm us and where it is leading us.5. (Ex 2 L10,P14) Scientists believe human cloning is just a matter of time but the assumption that human cloneshave already been born hasn ’t been proved yet.Task IV RetellingFill in the blanks with the proper words.Cloning is a way of 1 an exact copy of another animal or plant. It has two 2 uses. One isthat gardeners use it to produce 3 quantities of plants. The other is that it is 4 for research onnew species and for medical research on animals. Cloning plants is 5 while the cloning of animals ismore complicated. The process of cloning is difficult to 6 . Many attempts to clone mammals failed.The first successful clone, Dolly the sheep, made the whole 7 world follow its process, though it hadmore problems than the normal sheep. On the other hand, Dolly ’s appearance raised a storm of 8and had a great 9 on the media and public imagination. Different people have different opinions of it.However, scientists still 10 whether cloning will help or harm us and where it is leading us.Language points细胞核 胚胎 卵细胞 体细胞 B) Choose the right order of the events given during the cloning procedure of Dolly the sheep . a. Female sheep C bears the embryo . b.The nucleus from sheep B and egg cell from sheep A join together. c.Female sheep B provides a somatic cell whose nucleus is taken out of d. The cell break up and grows into an embryo e. Female sheep A provides an egg cell whose nucleus is removed from. f. A lamb called Dolly is cloned. A. e, c, a, b, d, f B. e, a, c, d, f C. e, c, b, d ,a, f D. e, b, c, d, a, f1.有区别v.___________；差异n.___________；不一样的adj._____________2.宾语，物体n.___________；反对，抗议v.___________；反对n.___________；客观的adj.____________3.修改，纠正v.___________；改正，纠正n._____________；正确的，得体的adj.___________；不准确的adj._____________4.法规，条例n.___________；有规律的，规则的，定期的adj.___________不规则的adj.___________5.商业，贸易n.___________；商业的，贸易的adj._____________6.假定，设想v.___________；假定，设想n._______________7. 积累，聚积v.____________；积累，聚积n._______________TaskII Translate the following phrases into English and try to recite them.1. 扎根，留传下去________________2. 同一原生卵子___________________3. 得到好结果；偿清______________4.一方面________________________5. 另一方面_____________________6. 使心烦意乱；气馁，沮丧___________7.适合于，适当___________________8.引起一阵强烈的反对______________9.对……产生极大的影响_____________________________________10.实现野心____________________ 11.提出道德问题___________________ 12.收集……的证据______________ 13.赞成___________________________ 14. 一定；注定__________________ 15.反对___________________________Task III Key words and phrases 【合作探究学习】1.It is a difficult task to undertake. (L8) 动物克隆是一项难以施行的任务。

课文解析1. It is a way of making an exact copy of another animal and plant. 它是一种精确复制另一种动物和植物的方式。

(P11)【要点提示1】a way of ... = a manner of ... 一种……的方式。

如：It is not only a way of living, but a positive attitude towards life. 它不仅仅是一种生活方式，也是一种对待生活的积极态度。

It is a way of seeing. 这是一个看问题的方法。

【要点提示2】exact adj. 精确的，准确的，精密的。

如：We need to know the exact time the accident occurred. 我们需要了解事情发生的确切时间。

Assessing insurance risk can never be an exact science. 估定承保的风险永远不会成为一门精确的科学。

2. Cloning scientists were cast down to find that Dolly’s illnesses were more appropriate to a much older animal. 研究克隆的科学家们发现多莉得的病更容易发生在年老的羊身上，这使他们很沮丧。

(P12)【要点提示1】be / become cast down (by sth) （因某事）沮丧，不愉快。

如：He was much cast down by the failure of the experiment. 实验的失败使他很失望。

Don’t be so cast down. Just keep up your spirits. 不要沮丧，打起精神。

【归纳拓展】cast your mind back 回顾；回想；cast a spell on 对……施魔法/ 诅咒；cast about / around for sth 四处寻找某物；cast out 驱逐，赶走。

Unit 2 Working the land(耕作土地，在田间耕作) 一．单词考点Section A Warming-up,Reading&Comprehending1.struggle的用法⑴作vi.时，“斗争；拼搏；努力”搭配：for...为……而斗争struggle against...与……作斗争with...与……并肩作战to do sth....努力做某事eg:Millions of people are struggling for survival.⑵作n.时，[C]“斗争；奋斗；努力”搭配：with sb.for sth.与某人一起支持某事的斗争a struggle with sb.against sth.与某人一起反对某事的斗争with sb.to do sth.与某人一起努力做某事between A and B A与B之间的斗争eg:It is a struggle between good and evil.2.hunger的用法⑴作n时，[U]“饥饿”[C]“渴望，欲望”搭配：with hunger因为/由于饥饿die of hunger死于饥饿have a (strong) hunger for sth.(强烈)渴望某物eg:She has a strong hunger for knowledge.⑵作vi时，“渴求；渴望得到”搭配：hunger for/after...渴望得到hunger to do sth.渴望做某事eg:We all hunger for others’ understanding.3.disturbingadj 引起烦恼的；令人不安的—disturbedadj(感到)心烦意乱的；烦恼的—disturbvt使不安eg:What he said was disturbing.4.expand v “使变大；伸展”的用法搭配：expand...into...把……扩展/发展成……expand into...扩展/膨胀成……expand (up)on阐述，详谈eg:①Tom is expanding his story into a novel.②Expand this sentence into a paragraph.区别：expand,extend,enlarge,stretch⑴expand指范围、体积的扩大，尤指向四面八方扩大、扩张。