高中英语 Unit2第3课时 The Third Period Speaking教案 新人教版选修8.docx

1、高中英语 Unit2第3课时 The Third Period Speaking教案 新人教版选修82019-2020年高中英语 Unit2第3课时 The Third Period Speaking教案 新人教版选修8Teaching goals 教学目标1. Target language目标语言a. 重点词汇和短语 theme，fighting，conflict，argument，destruction，in ones opinionb. 交际用语Expressing and supporting an opinionI would never accept.Im not bothere

2、d about.I dont mind but.I hope youll carry on.Are you sure you want to.?I agree with you that.Do you think it is wise to.?I think you should.Well done to you for.I cant help thinking.I could never agree to.2. Ability goals能力目标Enable the students to express their opinions about cloning using some use

3、ful expressions.3. Learning ability goals 学能目标Help the students learn how to express their opinions.Teaching important points教学重点Learn to use the structures of expressing and supporting an opinion.Teaching difficult points 教学难点How to give a speech.Teaching methods教学方法Cooperative learning.Teaching ai

4、ds教具准备A puter & a projector.Teaching procedures & ways教学过程与方式Step Lead-inT: Good morning / afternoon, boys and girls! Ss: Morning Mr.T: Last class we have talked about clone, we all know it is not a dream. Now everyone, if I give you a chance to clone what will you restore then?S: Edison, dinosaurs,

5、 Japanese wolf, Einstein.T: Do you want to clone Hitler?S: No. Hitler is a dangerous person.T: If some terrorists master this clone method, they may bring disasters. All your choices are excellent. Today we will learn another passage about cloning, from which we will know whether we can bring dinosa

6、urs back to life. Ask the students to go through some facts of cloning.T: From these facts we know human beings have achieved great progress in cloning. Now read the text carefully to get the answers for these questions: what animals have people cloned?S: Frogs, mice, cows, sheep, bisons, cats, and

7、dogs.T: Good job. Answer the question: What are the mon characteristics of these animals?Ss: They are nowadays animals.T: Yeah, I think you must have seen the film Jurassic Park, in which a scientist clones several different kinds of extinct dinosaurs. Can we really clone dinosaurs now?Let the stude

8、nts turn to page 15 and then read the text quickly. Several minutes later.S: We cannot clone dinosaurs, because its difficult for us to get its DNA.T: Good job. Its only a dream. Dinosaurs disappeared 65,000,000 years ago. So the chance of dinosaurs ever returning to the earth is merely a dream.Step

9、 Read and answer (P16)To answer these three questions, teacher can give the students some examples as explanation, for example, Question 1.T: Now think about this question: if in the world there is only one sheep and human beings want to clone more. Some days later a Dolly appears, then many more. B

10、ut one day all sheep get the same deadly disease. Now please think about what the results are.S: Maybe they would all die. T: Why? S: Because all sheep have the same arrangement of genes. T: Right. Now can you answer Question 1? Why shouldnt you clone an extinct animal unless there is enough diversi

11、ty in the group?S: It is useless to clone an animal if there is not enough diversity in the group for it to overe illnesses.T: Why is it wrong to clone an extinct animal if it would have to live in a zoo?S: If the cloned animals have to live in the zoo, it is unfair to them. They need freedom.T. Why

12、 cant you clone the DNA of animals that have been extinct longer than 10,000 years?S: Dinosaurs disappeared 65,000,000 yeas ago. So the chance of dinosaurs returning to the earth is merely a dream.Step Discussion (Question 2)This is a speaking task. Ask the students to have a discussion in groups, o

13、rganize their words properly, and give vivid description of the chosen animals.T: Now look at the table on page 16, discuss in pairs which extinct animals described are worth restoring by means of cloning. Choose one animal and use the information to help you argue why this animal should be restored

14、 to the earth. Give the students six minutes to discuss.S1: I think Great Auk is a wonder. Because it is a very large bird that cannot fly. The useful thing about it is that its feather doesnt absorb water. I think if we wear clothes made of its feather, we will not worry about rain.S2: I agree with

15、 you. But I am happy to accept Dodo bird because it is friendly and not harmful. I like gentle animals. It can also lay large eggs and its meat is tasty, but I dont think I will eat its meat.T: From your answers I think these animals are all useful and they all should be restored to the earth. At th

16、e same time, we should try our best to protect them. Do you agree with me?S: Yes.Step Writing a report (P17)Deal with Questions three and four. Divide the whole class into four groups. Then they can have a petition. T: Now everyone, imagine all of you are owners of your chosen animal. Now work toget

17、her, and give us a vivid description of your pet, then I will decide which one is the best to be resorted to the earth.Several minutes later, the students give performances. At the same time, list some major points on the blackboard.T: Well done everyone. It is really hard for me to choose, let us v

18、ote OK?Step TALKING (P55)Ask the students to talk about the questions with the teachers help.T: Look at the questions on page 54. Do you know how to show your opinion? You can discuss the following questions with your partner and use these expressions on page 54.1. How would you feel about having a

19、clone of yourself in the family?2. What problems did you have growing up and how can you help him / her avoid them.Step HomeworkT: Write down your feelings and attitudes towards clone. bine them into a position. Sample version 1: In my opinion it is wrong to clone human beings. If my parents decide

20、to have a clone made of me, I will feel very sad and I will never accept the clone as a member of my family or as my friend because I think it is unfair to natural things. We are all sons of nature, birth or death is a natural thing. The day we born, it destined we are independent. Nobody has the ri

21、ght to change ourselves. If one day I were to be cloned to another person, he would kill me, because I lost some original characters. I hope we should respect human beings, and not change any original things.Sample version 2: I think the cloning represents the progress of the mankind. But it still h

22、as many problems to work out, the law, the ethic and especially the goals and purposes for cloning. However, we are actually doing much of this research for the improvement of life for humans. We should get benefit from cloning. In China, the government has put out written policy on human cloning. I

23、t has officially banned research on human cloning for reproduction purposes, but allows cloning on embryonic stem cells and remedial cloning. As we all known, everything cant be perfect. We should treat the cloning with correct attitudes. We should know the advantages and disadvantages of cloning.20

24、19-2020年高中英语 Unit2第4课时 The Fourth Period Grammar教案 新人教版选修8Teaching 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 th

25、e 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.Teach

26、ing 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.T

27、eaching procedures & ways过程与方式Step Revision Check 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

28、 would never accept the clone as a member of the family or as my friend.T: Good job!Step GrammarT: 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

29、 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

30、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 exa

31、mples: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 e?We havent yet settled the question where we are going to spend our summer vacation.The sugge

32、stion 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 supplement