B8U2教学设计.docx

B8U2教学设计 Warming up、 pre-reading 、 Reading部分Teaching goals教学目标1. Target language 目标语言a. 重点词汇和短语clone, commercial, producer, undertake, arbitrary, object, forbid, accumulate, cast down, object to, the media, in favour ofb. 重点句子It is a way of.The fact is that.The question that occurred .2. Ability goals能力目标Enable the students to describe cloning: What is the advantages of cloning？ What is the problems or dangers of cloning？What is your opinion of cloning？3. Learning ability goals 学能目标Help the students learn how to describe cloning.Teaching important points 教学重点 How to describe cloning. Teaching difficult points 教学难点Help the students analyze the writing techniques of the article.Teaching methods 教学方法Skimming, task-based method and debate method.Teaching aids 教具准备A recorder, a projector and some slides. Teaching procedures & ways教学过程与方式Step I Warming upThis topic is difficult for students. So teacher should help the students learn more about it. Do this in the way of asking and answering questions. In this part the teacher can give the students some advice to act out. According to this play teacher ask the students several questions: 1. Do you want to be cloned or not? Why? 2. If you are the judge what will you do?3. Can you tell me the advantages of cloning?4. And what is the disadvantage?Step Pre-reading Ask students to search for some information about this topic. Now show your questions on the screen, and then let them discuss with each other.Questions about cloning:1. What is a clone?2. How is a clone produced?3. What benefits can humans gain from cloning?4. What problems may arise when humans are cloned?Step While-reading1. Read the text quickly and complete its main idea.The text is mainly about the 1. _ of animal cloning and the life of Dolly the sheep, as well as the reasons why cloning is still 2. _. Keys: procedure, controversial2. Read through the passage and find the main idea of each paragraph.Para. 1 Cloning is a way of making an exact 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.Step Detailed-reading 1. Read the text carefully and fill in the blanks.DefinitionCloning is a way of making _ of another animal and plant.Major uses of cloning Gardeners use it to _ commercial quantities of plants. It is valuable for research on new plant species and for _ research on animals.Keys: an exact copy, produce, medicalAbout Dolly the sheep Encouraging news: Dolly seemed to develop _. Disturbing news: Dolly lived only six and a half years, half the length of the life of the _ sheep, because of serious illnesses which were more appropriate to a _.Keys: normally, original, much older animal2. Choose the best answer.1. As for the cloning procedure of Dolly the sheep, all of the following are true EXCEPT _.A. the lamb is the clone of the donated cell from sheep BB. electricity is neededC. female sheep B provides an egg cellD. three female sheep are used2. From the last paragraph we know that _.A. cloning will come to an end because of objections B. cloned human beings will be produced in the near futureC. many countries will use cloning in a wise wayD. all the research into human cloning will be forbidden 3. Write the letter“T” if the statement is true. Write“F” if it is false. 1) Cloning means making a copy of an animal or a plant. 2) Gardeners can make a lot of money by cloning plants. 3) Cloning animals is as complicated as cloning plants. 4) Dolly the sheep was the first successful clone of a mammal. 5) Natural clones happen in animals as well as in plants. Step DiscussionLook at the pictures, and discuss this question with your partner.Is cloning people a good thing or a bad thing?反对克隆人1.克隆技术现在还不成熟, 克隆人可能有很多先天性生理缺陷。2.克隆人的身份难以认定, 他们与被克隆者之间的关系无法纳入现有的伦理体系。3. 克隆技术有可能被滥用, 成为恐怖分子的工具。4. 从生物多样性上来说, 大量基因结构完全相同的克隆人, 可能诱发新型疾病的广泛传播, 对人类的生存不利。支持克隆人1. “不让我们克隆人, 就是不让我们修正我们的错误, 人类历史难道能够这样构造吗？” 纽约时报书评2. “当然应该克隆人, 如果谁第一个掌握了这个技术, 他就是我真正的、也是唯一的竞争对手。” 比尔盖茨3. “克隆人绝对是科学上了不起的进步, 克隆技术必将创造21世纪的辉煌。” 麻省理工学院教授 约翰 布洛克4. “人体商业化是人类经济活动中无与伦比的成就, 毫无疑问, 克隆技术的出现将为世人创造一个最为广泛和深远的市场。” 英国经济学家杂志Step ConsolidationReproductive cloning is intended to produce a c_ of an existing a_ or a plant. Reproductive cloning of animals is a_ for technology and farming as well as for cloning e_ animals. But reproductive cloning of human beings is specifically f_ by law in most c_. Therapeutic (治疗的) cloning is to produce a healthy copy of a s_ persons tissue (肌肉组织) or organ for transplant in order to save the lives of those who would d_ without it. This t_ would be many times better than r_ o