人教新课标高中英语选修8第二单元 Book 8 Unit 2 Cloning 学案含答案.doc

1、Unit 2 Cloning （Book 8）Period 1 Reading Cloning: Where is it leading us?Class： 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 readi

2、ng 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. Help Ss improve the students reading ability. 2. Ss learn the reading skills: scanning and skimming.Assessment: Learning Procedures:I. 【Pre-class ho

3、mework】Scan the text and choose the best answer.1. The main idea of the text is _. A. animal cloning is very valuable and can benefit the world B. animal cloning could be misused by bad people so it must be forbidden C. animal cloning is well developed because Dolly the sheep was born D. animal clon

4、ing raised arguments and scientists are not sure about its future 2. Which of the following statements about cloning is NOT true according to the text? A. Cloning is something that has been developed quite recently. B. Twains that look exactly the same are originally from the same egg. C. Cloning is

5、 used by gardeners to make more money. D. Animal cloning is much more difficult than plant cloning.3. The lamb is the clone of the cell from sheep B because _. A. it provides the egg cell B. it gives birth to the lamb C. it provides the nucleus D. it is a female sheep4. Which of the following is NOT

6、 a problem or danger of cloning mentioned in the text? A. Evil leaders may want to clone themselves. B. Animal clones may develop the illness of older animals and may die younger than the donor animals. C. There are moral objections to cloning human beings. D. Too much cloning may lead to the destru

7、ction of the balance of nature.5. Which of the following is NOT an advantage of cloning ? A. Cloning can be used for medical purposes. B. Large quantities of food can be produced by cloning. C. Famous persons who have passed away can be cloned. D. Cloning can help keep animals from becoming extinct.

8、6. We can infer from the last three paragraphs that _. A. The normal development of Dolly had no effect on the cloning of other species. B. Dollys serious disease and final death disturbed everyone in the world. C. Dolly successfully cloned a new lamb with the help of cloning scientists. D. There we

9、re arguments about animal cloning and concerns about the future of cloning.7. What is the writers attitude toward cloning in the passage? A. The writer is against cloning. B. The writer is in favour of cloning. C. The writer does not state any personal opinion about cloning . D. The writer is in agr

10、eement with cloning .Assessment: II. 【While-class】Step1. Lead-in Step2. Group discussion Step3. ConsolidationRead the text carefully and answer the following questions.1. How many major uses does cloning have?_ 2. What is used in the procedure for cloning Dolly the sheep?_ 3. What can we infer from

11、the last paragraph? 4. Find out the main idea of each paragraph:Para.1:_ Para.2:_ Para.3:_ Para.4:_ Para.5:_ 5. 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. Seco

12、ndly, 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 2019. The fact 6._ she seemed to develop normally was very 7._(encourage). But she had

13、half of the 8._ (long) of the original sheep, 9._ arose scientists concern. Up to now, cloning is still 10. _ (controversy).Keys:【Pre-class homework】1.D 2.A 3.C 4.D 5.C 6.D 7.CStep3. Consolidation1. It has two major uses. Firstly, gardeners use it all the time to produce commercial quantities of pla

14、nts. Secondly, it is valuable for research on new plant species and for medical research on animals.2. The nucleus of sheep B.3. Some governments will permit research into human cloning with aim of medical aid.4. Para.1: The definition of cloning Para.2: The two major uses of cloning Para.3: The pro

15、blems of Dolly the sheep Para.4：The attitudes towards Dollys appearance Para 5: The effect of cloning in society 5. Fill in the blanks1.exact 2. Firstly, 3. For 4. to undertake. 5, paid 6,that 7. encouraging 8. length9, which 10, controversialUnit 2 Cloning （Book 8）Period 2 Language points in Readin

16、g 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.Lea

17、rning Difficult Points: Understand some difficult and long sentences.Assessment: Learning Procedures:.【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. Make s

18、entences.1. differ_ 2. object_3. pay off_ 4. bother_ 5. vain_6. obtain _ 7. cast down _ 8. be bound to _ Assessment: .【While-class】Step1. Lead-in Step2. Group discussion Step3Consolidation Sentences1. Cloning plants is straightforward while cloning animals is very complicated. 翻译：_ (1) 中译英：中国人喜欢红色，而

19、西方人则偏爱白色。_【比较】while 和 but(2) This TV is of high quality, _ its too expensive.(3) This TV is of high quality, _ that one is much cheaper. Which one should I choose?2. It is a difficult task to undertake. 翻译：_中译英: (1) 这个房间住起来很舒服。 _ (2) 你认为这水喝起来安全吗？ _ (3) 我们可担当这项工作令我们的父母很欣慰。 _. 3. Then came the disturb

20、ing news that Dolly had become seriously ill.翻译：_ 中译英：(1) 所有学生冲了了出去。(out) _ (2) 上课铃声响了。(there) _ (3) 最令人激动的时刻到了。(finally) _4. Some began to reform their legal systems and forbade research into human cloning.翻译：_ 中译英：(1) 此处禁止吸烟。 _ (2) 法律禁止在此处进行修建。 _ (3) 他的父母禁止他再喝酒。. Phrases1. differ from 11. have an

21、impact on2. a difficult task to undertake12. the media3. pay off13. become controversial4. on the one hand on the other hand 14. open ones eyes5. the disturbing news15. evil leaders6. cast down16. moral questions7. be appropriate to17. become conservative 8. the arbitrary fate18. accumulate evidence

22、9. make corrections19. (be) in favour of 10. a storm of objections20. (be) against / object toB. sentences:. Sentences1. 翻译：克隆植物简单，而克隆动物就非常复杂了。 (1) 中译英：中国人喜欢红色，而西方人则偏爱白色。Chinese people love the red color while westerners prefer white.【比较】while 和 but(2) This TV is of high quality, but its too expensi

23、ve.(3) This TV is of high quality, while that one is much cheaper. 2 翻译：这是一项难以承担的任务.中译英: (1) 这个房间住起来很舒服。The room is comfortable to live in. (2) 你认为这水喝起来安全吗？Do you think the water is safe to drink? (3) That we can undertake the job made our parents very pleased. 3. 翻译：接着传来了令人不安的消息，多莉病重了。 中译英：(1) Out

24、rushed all the students. (2) There goes the bell. (3) Finally came the exciting moment.4.翻译：有些（政府）开始改革法律体系并禁止对人类克隆的研究。 中译英：(1) Smoking is forbidden here. (2) The law forbids building here. (3) His parents forbade his drinking again. / His parents forbade him drinking again. / His parents forbade him

25、 to drink again. / His parents forbade him from drinking again.Unit 2 Cloning （Book 8）Period 3 Grammar: the AppositiveClass： Name： _ Group： No：_Learning Objectives:1. Ss learn and master the Appositive2. Ss use the structure correctly and properly according to the context.Learning Key Points: Learn

26、about the use of the AppositiveLearning Difficult Points: Ss grasp the skills needed to use the AppositiveAssessment: Learning Procedures: .【Pre-class homework】 . 请划出下列句子中的同位语。1. George Bush, the former American president, was the governor of the state of Texas.2. He enjoys the exercise, swimming in

27、 winter.3. There is one thing he will never do tell lies.4. He, short and thin, is unfit for the job.5. As the head of the company, he had to explain what had happened.6. You have yet to answer my question whether you can lend me your bike. . 请从课文中找出含有同位语的句子。(用红线划出). 请用正确的连接词填空1.对你生病这件事，他们都很焦虑。They

28、were all very much worried over the fact _ you were sick.2.德国已对俄国宣战的消息一大早就传来了。Early in the day came the news _ Germany had declared war on Russia.3.我不知道他是否来。I have no idea _ hell come or not. 4.谁该干这项工作，这个问题需要考虑。The question _ should do the work requires consideration.5.什么时候去度暑假，这个问题我们还没有决定。We havent

29、 yet settled the question _ we are going to spend our summer vacation.6.那是一个他如何做了此事的问题It is a question _ he did it.7. 他总是问他自己接下来做什么的问题。 He always asks himself the question _ is to be done next.8. 在这么短的时间里，从哪里得到这么多的钱仍旧是个问题。It remains a question_ we can get so much money in such a short time.9. 医生做了很多

30、努力来减少这个病人对于死与这个疾病的恐惧。The doctor did a lot to reduce the patients fear _ he would die of the disease.10. 他突然想到敌人可能已经逃出城了。 The thought came to him _ maybe the enemy had fled the city. 语法归纳: 1. 引导同位语从句的连接词有： _2. 同位语从句常说明的抽象名词有：_.【While-class】Step1. Lead-in Step2. Group discussion Step3ConsolidationA. 单

31、项对比填空，并区分同位语从句与定语从句。1(1) As to his being late, she seemed not satisfied with his reason _ he got up too late. (2) The reason _ he was late was that he got up late. (3) The reason _ he gave for his delay was not accepted.2. (1) The problem _ we are facing now is how we can raise so much money. (2) Th

32、e question _ he is sure to win the game is hard to answer.3. (1) The order _ the officer gave was to attack the enemy at once. (2) The officer gave the order _ the soldiers should attack the enemy at once.4. The assistant put forward a suggestion, _ was turned downed by the manager. The suggestion _

33、 we learn a third foreign language was very practical. B. 单项选择：( ) 5. She heard a terrible noise , brought her heart into her mouth . A. it B. which C. this D. that( ) 6. I cant stand the terrible noise she is crying loudly. A. it B. which C. this D. that( ) 7. Information has been put forward more

34、middle school graduates will be admitted into universities. A. while B. when C.as D. that( ) 8. Several years later, Napoleon himself was coming to inspect them. A. a word came that B. word came thatC. words came that D. word came which( ) 9. There is a feeling in me well never know what a UFO isnot

35、 ever . A. what B. which C. of which D. that( ) 10. There is a new problem involved in the popularity of private cars road conditions need .A. that; to be improved B. which ; to be improvedC. where; to be improved D. when ; improvingC.根据中文意思补充句子。11.The belief is shared by many people .(lead) 许多人相信条条

36、大路通罗马。12.China is no longer .(used) 中国不再是过去的中国。13.众所周知，地球绕着太阳转。（用多种方法译成英语）The truth is known to us all .We all know . known to us all that . known to us all , . known to us all is .D. 用同位语从句翻译下列句子。14. Mike 承诺说他会承担这项任务。(promise, undertake)15对于是否允许进行克隆人的实验有一个激烈的争论。(debate)16. 大多数人持有严禁克隆人的观点。(view, for

37、bid)17. 科学家们也不知道克隆人将在什么时候诞生。(idea)E. 短文改错Today is June 26th. We are having a discussion if we will stay at home or go out for a trip as the summer holiday was drawing near. Some of us are for favour of staying at home. Their view is its both convenient and comfort. Whats more, they can save money fo

38、r other purposes. But that they will lose is the chance of getting to know the outside world however, others prefer to go out for travelling since it can increase his knowledge and broaden their horizons. But maybe theyll meet many difficulty and spend more money while travel. Personally, I think it

39、 would be much better to stay at home, for I can do that what I like, such as reading books, watching TV and helping my parents with some housework.Keys: . 请划出下列句子中的同位语。1. George Bush, the former American president, was the governor of the state of Texas.2. He enjoys the exercise, swimming in winter

40、.3. There is one thing he will never do tell lies.4. He, short and thin, is unfit for the job.5. As the head of the company, he had to explain what had happened.6. You have yet to answer my question whether you can lend me your bike. . 请从课文中找出含有同位语的句子。1. But at last the determination and patience of

41、 the scientists paid off in 2019 with a breakthrough the cloning of Dolly the sheep.2. The fact that she seemed to develop normally was very encouraging.3. Then came the disturbing news that Dolly had become seriously ill.4. Altogether Dolly lived six and a half years, half the length of the life of

42、 the original sheep. 请用正确的连接词填空1.They were all very much worried over the fact that you were sick.2.Early in the day came the news that Germany had declared war on Russia.3.I have no idea whether hell come or not. 4.The question who should do the work requires consideration.5 We havent yet settled t

43、he question when we are going to spend our summer vacation.6.It is a question how he did it.7. He always asks himself the question what is to be done next.8. It remains a question where we can get so much money in such a short time.9. The doctor did a lot to reduce the patients fear that he would di

44、e of the disease.10. The thought came to him that maybe the enemy had fled the city. 语法归纳: 1. 引导同位语从句的连接词有：that, whether, what, which, who, when, where, why, how等。2. 同位语从句常修饰的抽象名词有：fact, idea, news, help, thought, belief, doubt, question, answer, rumour, wish, promise, report, suggestion, conclusion

45、, hope, truth, problem, information, word 等。.【While-class】Step1. Lead-in A. 单项对比填空，并区分同位语从句与定语从句。1(1) As to his being late, she seemed not satisfied with his reason that he got up too late. (2) The reason why he was late was that he got up late. (3) The reason that / which he gave for his delay was

46、not accepted.2. (1) The problem that / which we are facing now is how we can raise so much money. (2) The question whether he is sure to win the game is hard to answer.3. (1) The order that / which the officer gave was to attack the enemy at once. (2) The officer gave the order that the soldiers sho

47、uld attack the enemy at once.4. The assistant put forward a suggestion, which was turned downed by the manager. The suggestion that we learn a third foreign language was very practical. B. 单项选择5.B 6. D 7. D 18. B 9. A 10.AC. 11. that all roads lead to Rome12. she/it used to be13. that the earth turn

48、s around the sun (that) the earth turns around the sunIts , the earth turns around the sun As is , the earth turns around the sunWhat is , that the earth turns around the sunD 用同位语从句翻译下列句子。14 Mike 承诺说他会承担这项任务。(undertake) Mike made a promise that he would undertake the task. 15对于是否允许进行克隆人的实验有一个激烈的争论。

49、(debate) There is a fierce debate whether human cloning experiments should be allowed.16. 大多数人持有严禁克隆人的观点。(forbid) The majority of people hold the view that human must be strictly forbidden cloning. 17. 科学家们也不知道克隆人将在什么时候诞生。(idea) Scientists also have no idea when human clones will be born.E. 短文改错Toda

50、y is June 26th. We are having a discussion if we will stay at home or go out for a trip whetheras the summer holiday was drawing near. Some of us are for favour of staying at home. Their is in view is its both convenient and comfort. Whats more, they can save money for other that comfortable purpose

51、s. But that they will lose is the chance of getting to know the outside world however, what others prefer to go out for travelling since it can increase his knowledge and broaden their their horizons. But maybe theyll meet many difficulty and spend more money while travel. difficulties travelling Pe

52、rsonally, I think it would be much better to stay at home, for I can do that what I like, such as reading books, watching TV and helping my parents with some housework.Unit 2 Cloning （Book 8）Period 4 WritingClass： Name： _ Group： No：_Learning Objectives:Be able to know more about how to express their

53、 own opinions.Be able to know how to improve the writing. Learning Difficult Points: Develop the writing ability.Assessment: Learning Procedures:I. Pre- class home work:范文赏析 最近你在某网站有一篇抨击克隆技术的文章，文章作者认为克隆是残忍的，而你并不赞同此观点。请你写一篇英语短文作为评论反对此观点。主要内容包括：1. 你的观点；2. 你的理由。 Cloning has always been a controversial

54、topic since it was brought up. There is no doubt that some people are against it, thinking its cruel, but I believe that cloning benefits our society. For example, if a couple cant have children, cloning can help give them a child. Besides, cloning enables endangered species t increase their populat

55、ion, preventing some species from dying out. Whats more, cloning can be used to find cure for fatal diseases. In a word, cloning is not cruel at all. On the contrary, it can help us in many aspects. I believe if we make good use of cloning, we can benefit greatly from it. A) 范文中的经典词句:|好词：_ _ B) 好句：_

56、 _ 句型训练：1. Frankly, my suggestion is that we leave as soon as possible. （画线部分同义转换）_2. Report has it that a terrible earthquake hit the city last night.（用it作形式主语改写）_3. They came to the decision that they should fire the man immediately. （用宾语从句改写）_4. I didnt know how long he had waited for me. (用同位语从句

57、改写句子)_ .【While-class】Step1. Lead-in Step2. Group discussion Step3Consolidation【写作内容】假设你是李华。你在某外国论坛看到一篇关于克隆人类的帖子，作者对克隆人类倍感疑虑。请你写一段英语回帖表达你的意见。 主要内容包括： 1. 你的观点： 2. 你的理由 3. 你对克隆技术的期待或建议。注意：1. 词数100 左右； 2. 可以适当增加细节，以使行文连贯。_Keys:句型训练1. To be frank, I suggest that .2. It is reported that a terrible earthqu

58、ake hit the city last night. 3. They decided that they should fire the man immediately.4. I had no idea how long he had waited for me. 作文： I dont think its good to clone human beings. The reasons are as follows. To start with, cloning human will cause moral problems. For example, some people may wan

59、t to clone the dead, which is unacceptable. Whats more, people may want to clone themselves in the hope that they could live forever, which is also against nature. Frankly, I would shiver at the thought that another “me” was created and lived the same life as I did. As far as I am concerned, its better that scientists do not clone human beings. However, we can clone valuable plants or animals for the purpose of medical research and species protection.