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1、Unit 2 CloningThe First Period warming up 黔西一中 英语组 易金明Teaching goals1. Target language a. Important words and phrasesclone, commercial, producer, undertake, arbitrary, object, forbid, accumulate, cast down, object to, the media, in favour ofb. Important sentencesIt is a way of.The fact is that.The q
2、uestion that occurred .2. Ability goalsEnable 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 Help the students learn how to describe cloning.4. Emotional aims:Enable the student
3、s to know some laws about cloning .人胚胎干细胞研究伦理指导原则Teaching important points How to describe cloning. Teaching difficult points Help the students analyze the writing techniques of the article.Teaching methods Skimming, task-based method and debate method.Teaching aids A recorder, a projector and some
4、slides. Teaching procedures & waysStep I Lead-in Get Ss to talk about what is cloning and a clone and show them some laws about cloning .人胚胎干细胞研究伦理指导原则 中华人民共和国科技部和卫生部人胚胎干细胞研究伦理指导原则第一条 为了使我国生物医学领域人胚胎干细胞研究符合生命伦理规范,保证国际公认的生命伦理准则和我国相关规定得到尊重和遵守，促进人胚胎干细胞研究的健康发展,制定本指导原则。 第二条 本指导原则所称人胚胎干细胞包括人胚胎来源的干细胞，生殖细胞起源
5、的干细胞和通过核移植所获得的干细胞。 第三条 凡在中华人民共和国境内从事涉及人胚胎干细胞的研究活动,必须遵守本指导原则。 第四条 禁止进行生殖性克隆人的任何研究。 第五条 用于研究的人胚胎干细胞只能通过下列方式获得：（一）体外受精时多余的配子或囊胚；（二）自然或自愿选择流产的胎儿细胞；（三）体细胞核移植技术所获得的囊胚和单性分裂囊胚；（四）自愿捐献的生殖细胞。 第六条 进行人胚胎干细胞研究，必须遵守以下行为规范：（一）利用体外受精、体细胞核移植技术、单性复制技术或遗传修饰获得的囊胚，其体外培养期限自受精或核移植开始不得超过14天；（二）不得将前款中获得的已用于研究的人囊胚植入人或任何其他动物的
6、生殖系统；（三）不得将人的生殖细胞与其他物种的生殖细胞结合。 第七条 禁止买卖人类配子、受精卵、胚胎和胎儿组织。 第八条 进行人胚胎干细胞研究，必须认真贯彻知情同意与知情选择原则，签署知情同意书，保护受试者的隐私。前款所指的知情同意和知情选择是指研究人员应当在实验前，用准确、清晰、通俗的语言向受试者如实告知有关实验的预期目的和可能产生的后果和风险，获得他们的同意并签署知情同意书。 第九条 从事人胚胎干细胞研究单位应成立包括生物学、医学、法律或社会学等有关方面的研究和管理人员组成的伦理委员会，其职责是对人胚胎干细胞研究的伦理学及科学性进行综合审查、咨询和监督。 第十条 从事人胚胎干细胞研究的单位
7、应根据本指导原则制定本单位相应的实施细则或管理规程。 第十一条 本指导原则由国务院科学技术行政主管部门、卫生行政主管部门负责解释。 第十二条 本指导原则自发布之日起施行。 Step Pre-reading Before class, ask the students to search for some information about this topic. 1. What is a clone?2. How is a clone produced?3. What benefits can humans gain from cloning?4. What problems may aris
8、e when humans are cloned?5. Should we clone human?6. Could cloning replace sex as the means of creating new human life?7. Could a parent clone a child who is dying of a terminal illness?Suggest answers:1. It is a way of making an exact copy of another animal and plant.2. This happens in plants when
9、gardeners take cuttings from growing plants to make new ones, and when small parts of a plant are taken and gown in a laboratory. It also happens in animals when twins identical in sex and appearance are produced from the same original egg.3. It can help cure disease and can help couples who have no
10、 baby to bear a new baby.4. There may be more bad people like Hitler.5. In my opinion, I do not agree, for it may cause many moral problems.6. No. Because cloned human has the same quality as the real human, natural born babys quality is higher than his parents. 7. No. The cloned baby also has the d
11、isease.Step While-readingGet the students to comprehend the passage quickly and accurately and meanwhile help the students form a good habit of reading.T: Have you got the answers of your questions? Now please skim the passage fast to obtain a general understanding of the whole passage. While readin
12、g, divide the whole passage into several parts and find out the main idea of each part.Show the following. 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 Post-reading Ask the students to read the passage again to finish exercises. Step Homework1. Complete the exercises on page 13.2. Recite the key sentences in the text.Teaching reflecting:_
