Unit 2 Cloning （Module 8）Period 1 Reading: Cloning: Where is it leading usClass ： 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 reading 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. Improve the reading ability.2. Learn the reading skills: scanning and skimming.Learning Procedures:I. 【Pre-class homework 】 A. Warming upThere are two kinds of clones, a natural clone and a man-made clone. Do you know what is a natural clone? And what is a man-made clone?A natural clone is one that ______________________________________________________ Man-made clone is one that ____________________________________________________B. Pre-readingBackground reading:Scottish scientists at Roslyn Institute created the much-celebrated sheep "Dolly", aroused worldwide interest and concern because of its scientific and ethical implications. She was the first mammal to be cloned from adult DNA taken from an adult cell. Previously, animals had only been cloned using embryo(胚胎) cells which already have the potential to become a complete embryo in its own right. The big breakthrough with Dolly was to make a clone from an ordinary, adult cell − in this case from a female goat’s udder.Questions:1. How does Dolly differ from other sheep?She was ______________ by humans while the others were born naturally. So, Dolly was a ______________ sheep. 2. Should we clone a human?II. 【While-class 】 Step1. Lead-inStep2. Group discussion Step3．Consolidation 1. Reading____________________________________________________________________________________________________A. 做《朗声》p23. ⅣB. 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. Secondly, 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 1996. The fact 6._______ she seemed to develop normally was very 7._____________(encourage). But she had half of the 8.________ (long ) of the original sheep, 9._________ arose scientists’concern. Up to now, cloning is still 10. ___________ (controversy).Step4．PresentationStep5．SummaryIII.【Post-class】Key:【Pre-class homework】A. Warming up:A natural clone is one that occurs in a natural form of cloning without human help.Man-made clone is one that is produced through human intervention(介入) .B. Pre-readingQuestions:1. She was cloned by humans while the others were born naturally. So, Dolly was a cloned sheep.2.In my opinion, I do not agree, for it may cause many moral problems.【While-class】1.exact2. Firstly,3. For4. to undertake. 5, paid 6,that 7. encouraging 8. length9, which 10, controversial____________________________________________________________________________________________________Period 2 Language points in Reading 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. Learning Difficult Points:Understand some difficult and long sentences.Learning Procedures:Ⅰ.【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. Sentences(尽量用同位语从句翻译下列句子):1. 采纳新规则的建议是主席提出来的。
(rule, adopt, suggestion,)2.汤姆是否干这项工作，这个问题需要考虑。
(consideration )3.我还没有得到确切的消息， 他什么时候出发。
(exact news)4.我们根本不知道他去哪儿了。
（have no idea ）Ⅱ.【While-class 】 Step1. Lead-inStep2. Group discussion Step3．ConsolidationⅡ. Sentences1. Cloning plants is straightforward while cloning animals is very complicated.翻译：____________________________________________________________________ (1) 中译英：中国人喜欢红色，而西方人则偏爱白色。
________________________________________________________________________ 【比较】while 和but(2) This TV is of high quality, ____________ it’s too expensive.(3) This TV is of high quality, ____________ that one is much cheaper. Which one shouldI 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。