河北省石家庄市复兴中学人教高中英语选修八：Unit2 Cloning(2) 学案 Word缺答案

Unit 2 CloningThe Second Period ListeningTeaching goals1. Target languagea. 词汇和短语cloning, attitude, medicine, organsb. 重点句子I agree with...How would you do...?Do you think...?2. Ability goalsLet the students focus on the different attitude towards cloning technology.3. Learning ability goalsTeach the students how to get the specific information.Teaching important pointsListen to the materials about cloning and choose the correct answers.Teaching difficult pointsWork together with partners and show their own opinions.Teaching methodsListening and cooperative learning.Teaching aidsA tape recorder.Teaching procedures & waysStep I Revision1. Greetings2. RevisionStep Ⅱ Pre-listeningWork in groups to discuss how we should behave towards the human clones.T: Before human clones become part of our life, perhaps we should spend some time thinking about how we should behave towards them. Now, work in groups to discuss the following questions.Show the following.1. How would you treat human clones?2. Do you think they should have legal and political rights, such as getting married or voting?3. Do you think they are separate people or part of the original donor?Sample answers:1. I will treat them as normal people.2. Yes, I think they should have the legal and political rights.3. I think they are separate people.Step Ⅲ ListeningThe students are asked to read fast the questions and multiple answers to find out the listening points first, and then listen to the tape twice to choose the best answer.T: Please open your books at page 54. Before you listen to the tape, please read fast the questions and multiple answers to find out the listening points. Pay more attention to these important points while listening. While listening, you’d better make notes of the listening points.A few minutes later.T: Now, I’ll play the ta pe twice. Please listen carefully and pay more attention to the important points. You may make notes while listening. Notes taking are helpful for you to remember each of the important points. After listening twice, check the answers and explain some difficult listening points if necessary.Step Ⅳ Listening task (P57) (时间不足时改为作业)First, ask the students to read these sentences and then listen to the tape and decide if they are facts or opinions.T: Now turn to page 57, there’re 10 questions. You should for m the habit of going through the questions and the answers to get the important listening points. Yes? And make notes if necessary. OK?Play the recording and then check the answers with the class.Sample answers:Arguments for cloning pets:1. Favorite pets can live forever as clones.2. It is moral to clone pets for their owners.Arguments against cloning pets:1. Many people don’t agree with cloning.2. Some people think that cloning pets is selfish.HomeworkT: Boys and girls, today we have listened to some materials about cloning. I do hope you can listen to the materials again after class so that you can get very familiar with them. Besides, please preview the reading. Now class is over. Goodbye, everyone. Ss: Goodbye, sir / madam.。

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.。

河北省高二英语选修8 Unit2《Cloning》全套教案教学目标一、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: What’s the main idea of the passage?Task 2: Match the main idea with each paragraphPara 1: A. People’s 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, Dolly’s 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, Dolly’s 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?课后小结学完了这节课，你有什么收获？课后习题评测练习主要有两个。

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。

选修八Unit2 CloningPeriod3 GrammarTeaching goals 教学目标1. Target language目标语言a. 重点词汇和短语bother, regulation, resist, unable, argument, reasonable, obtain, be bound to, from time to time, bring back to life, pay offb. 重点句子Altogether Dolly lived for six years, half the length of the life of the original sheep.The fact that she seemed to develop normally was very encouraging.2. Ability goals能力目标Enable the students to learn the modal verbs must, have to, have got to.3. Learning ability goals学能目标Help the students learn how to use the modal verbs must, have to, have got to.Teaching important points教学重点The use of the modal verbs must, have to, have got to.Teaching difficult points教学难点How to teach the students to master the usage of the modal verbs must, have to, have got to.Teaching methods 教学方法Study independently and practice.Teaching aids教具准备A projector and a blackboard.Teaching procedures & ways过程与方式Step Ⅰ RevisionCheck the students’ homework.T: Last class we talked something about cloning. Now, who can show your opinion?S: Let me have a try. In my opinion it is wrong to clone human beings. If my parents decided to have a clone made of me, I would feel very sad and I would never accept the clone as a member of the family or as my friend.T: Good job!Step ⅡGrammarT: Do you know the appositive clauses? Please pick out three more examples from the reading passage.Sample answers:The fact is that they are natural clones of each other.The whole scientific would follow the progress of the first successful clone, Dolly the sheep.Altogether Dolly lived for six years, half the length of the life of the original sheep.T: Now let me explain something about the appositive clauses. The appositive clause is a clause used as an appositive. The clause is an explanation to the noun before. The appositive clause belongs to noun clauses. Most of the appositive clauses may be introduced by the conjunction that. A content clause is frequently in apposition with such nouns as fact, news, idea, thought, question, reply, report, remark, hope, belief, suggestion etc.Some examples:Nobody shares my belief that he was mad.My suggestion that he was mad was not accepted.They are familiar with the opinion that all matter consists of atoms.Where did you get the idea that I could not come?We haven’t yet settled the question where we are going to spend our summer vacation.The suggestion came from the chairman that the new rule should be adopted.T: The words the fact are often inserted in front of an object clause when the clause cannot be conveniently connected with the verb either directly or by means of the representative it.This cannot hide the fact that he is growing old.We must face the fact that we are living in a revolutionary world.Some supplements:同位语从句与that引导的定语从句1) 从先行词看同位语从句与名次之间在逻辑上是“主语+be+表语”的关系。

选修八 Unit2 Cloning班级姓名小组________第____号【学习目标】Knowledge aims:1．Get students to learn the useful words and expressions in this unit.2. Let students learn about the procedure of cloning.【学习重点】1. Develop st udents’ different reading abilities.2. Enable students to talk about the procedure of cloning.【学习难点】1. Let students learn more about the cloning techonology;2. Get students to learn different reading skills,especially the reading ability of understanding implied meaning of the author.【学情分析】Students need to improve their vocabulary ability.一．回顾旧知早读内容检查词汇变形1.differ v.________adj.________n._____ ___mercial adj.________n.________3.undertake v.________过去式________过去分词_____________4.pay off ________过去式________过去分词________5.cast v.________过去式________过去分词________6.correction n.________v.________7.object v.________n._______ _二.自主学习大声阅读P 98 单词，两英一汉加词性。