book-8--unit2--reading-课件.ppt

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1、 一株草莓依靠它沿地一株草莓依靠它沿地“爬走爬走”的匍匐茎的匍匐茎,一一年内就能长出数百株草莓苗年内就能长出数百株草莓苗A strawberry plantThe plant produces its own runners.A stem Take from growing plants to make new ones. They are identical in sex and appearance, who are produced from the same original egg. TwinsThey are born naturally and identical in sex

2、and appearance.Cloning is a way of making an exact _ of another animal or plant.What is Cloning?copyWhat is the difference among them ?Natural cloneMan-made cloneclone我国成功繁殖克隆兔我国成功繁殖克隆兔 体形要比普通兔大许多体形要比普通兔大许多2002年年5月月中旬成功地中旬成功地繁殖了一只繁殖了一只胚胎细胞克胚胎细胞克隆兔。隆兔。2002 cloning cats克隆的荧光小猪克隆的荧光小猪(左左)和正常小猪和正常小猪(右右)

3、She was c_while the others were born naturally. It is the exact copy of another sheep and the first cloned mammal. lonedDolly the sheepLearning aims:1. To grasp the main idea and more details. 2. To improve the ability to analyze the long and difficult sentences.3. To arouse the interest in developm

4、ent of science and technology.【课前预习】【课前预习】I. Phrases 1. 一直一直 2. 企图干某事企图干某事 3. 取得成功取得成功 4. 从从中移除中移除 5. 准备好准备好 6. 为为提供提供 7. 从从中取出中取出 8. 一方面，另一方面一方面，另一方面 9. 沮丧沮丧 10. 适合于适合于的的1. all the time 2. attempt to do sth 3. pay off4. remove from5. be ready for 6. provide sth for sb 7. take out of 8. on the one h

5、and, on the other hand 9. be cast down 10. be appropriate to 11. 对对有重大影响有重大影响 12. 支持支持13. 一定做一定做14. 引起反对引起反对15. 一阵一阵 16. 开阔视野开阔视野17. 继续做继续做18. 实现野心实现野心19. 不同意不同意20. 观点观点11. have a great impact on 12. in favour of13. be bound to14. raise objections15. a storm of 16. open ones eyes17. continue to do18

6、. attain ones ambitions19. disagree with20. point of view 1.Dolly the sheep_. A. looked exactly like the sheep that provides the egg. B. was the exact copy of the sheep that provides the nucleus. C. looked like the sheep that gave birth to it. D. had the characteristics of all three sheep. II. Read

7、the passage and finish the exercises.2. It can be inferred from the passage that a cloned animal_. A. usually lives as long as the original one B. usually lives longer than the original one C. usually lives shorter than the original one D. is usually as healthy as the original one3. Which of the fol

8、lowing 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. Cloning can help keep animals from becoming extinct.D. Famous persons who have passed away can be cloned.4. The word “controversial” in para 4 probably means _

9、. A. complicated B. arguable C. important the author does not state any personal opinion about cloning. A. Objective (be fair) B. Negative (be against it) C. Positive (be in favor of it)5. The writers attitude towards cloningBecause_【课内探究】【课内探究】I. Read the passage and number the main idea of each pa

10、ragraph. _ Cloning has two major uses and successful clone. _ Cloning is a way of making an exact copy of another animal and plant (definition) _ The effect of Dolly. _ It is forbidden to clone human beings. _ The problems of Dolly.21453DefinitionIt is a way of _ of another animal and plant.2 major

11、uses of cloning1)To produce _ 2)It is valuable for research on new _and medical research on _.Cloning procedureCloning plants is_while cloning of animals is _The first successful animal clone The first successful animal clone：The cloning of_, a _ in cloning technique.课内探究课内探究making an exact copycomm

12、ercialplants speciesanimalsstraightforwardcomplicatedDolly the sheepbreakthroughThe problems of Dolly the sheepEncouraging news :It seemed to develop _Disturbing news: Dolly has become_It lived for _ years, half the length of the life of the _ sheep.The effect of Dolly the sheepvIts appearance raise

13、d a storm of _and had a great impact on the _ and public_.v It opened everybodys eyes to the possibility of using cloning to cure _and even produce _.normallySeriously ill6.5originalobjectionsmediaimaginationserious illnesseshuman beingsarguments on cloningv Evil leaders hope to clone _. v Religious

14、 leaders raised _ questions.v Many governments _ research into human cloning. v Some countries continued to _evidence of the abundant medical aid.moralforbadethemselvesaccumulateIII. Important sentences.1. But at last the determination and patience of the scientists paid off in 1996 with a breakthro

15、ugh - the cloning of Dolly the sheep. 翻译翻译: 但是决心和耐心使科学家们最终于但是决心和耐心使科学家们最终于1996 年收获了突破性的结果年收获了突破性的结果-克隆羊克隆羊“多莉多莉”2. Altogether Dolly lived six and a half years, half the length of the life of the original sheep. half the length of the life of the original sheep做做_ 翻译：翻译：多莉总共只活了六年半，这是它的原型羊寿命多莉总共只活了六年半

16、，这是它的原型羊寿命 的一半的一半同位语同位语3. Although at present human egg cells and embryos needed for cloning research are difficult to obtain, newspapers wrote of evil leaders hoping to clone themselves to attain their ambitions.vneeded for cloning research做做_，修饰，修饰_； hoping to clone themselves to attain their ambi

17、tions做做_，修饰，修饰_v翻译翻译: 尽管目前供克隆研究的人类卵细胞和胚胎很尽管目前供克隆研究的人类卵细胞和胚胎很难获得，但是报纸报道说，有些邪恶头目希望把难获得，但是报纸报道说，有些邪恶头目希望把自己克隆出来以实现他们的野心。自己克隆出来以实现他们的野心。定语定语human egg cells and embryos定语定语evil leaders能力提升能力提升冒死也要克隆人的法国科学家冒死也要克隆人的法国科学家:布瓦瑟利耶布瓦瑟利耶恐怖分子头目本拉登恐怖分子头目本拉登Dabate :Are you for or against cloning human beingsThe 10-

18、year-old girl, Kinder died in an accident in America, clone can produce an exact girl of her.Clone can make a woman who cant get pregnant(怀孕怀孕的）的） have a child.vAt present our country lacks organs(器官）器官）. The cloned man can transform his organs to his original one(本本体体)v They have the same face. Peo

19、ple are no longer special to each other.vOur cloning technology is not perfect. Some cloned babies have deformity(畸形）from birth.Debate:What is your opinion of cloning? Are you in favor of it or against it? (谁说谁有理谁说谁有理）vRequirements:vEach group choose one opinion and try your best to give as many rea

20、sons as possible.vUse your facial expressions and body language to make your debate vivid.Negative side(反方反方)Against cloningPositive side(正方正方)In favor of cloningGroup 2Group 1Group 4Group 3Group 6Group 5Homework Think about the advantages and disadvantages of cloning and write them down.Advantages

21、:_Disadvantages:_ Spring is comingThank you!进入夏天，少不了一个热字当头，电扇空调陆续登场，每逢此时，总会进入夏天，少不了一个热字当头，电扇空调陆续登场，每逢此时，总会想起那一把蒲扇。蒲扇，是记忆中的农村，夏季经常用的一件物品。记想起那一把蒲扇。蒲扇，是记忆中的农村，夏季经常用的一件物品。记忆中的故乡，每逢进入夏天，集市上最常见的便是蒲扇、凉席，不论男女老忆中的故乡，每逢进入夏天，集市上最常见的便是蒲扇、凉席，不论男女老少，个个手持一把，忽闪忽闪个不停，嘴里叨叨着少，个个手持一把，忽闪忽闪个不停，嘴里叨叨着“怎么这么热怎么这么热”，于是三，于是三五成

22、群，聚在大树下，或站着，或随即坐在石头上，手持那把扇子，边唠嗑五成群，聚在大树下，或站着，或随即坐在石头上，手持那把扇子，边唠嗑边乘凉。孩子们却在周围跑跑跳跳，热得满头大汗，不时听到边乘凉。孩子们却在周围跑跑跳跳，热得满头大汗，不时听到“强子，别跑强子，别跑了，快来我给你扇扇了，快来我给你扇扇”。孩子们才不听这一套，跑个没完，直到累气喘吁吁，。孩子们才不听这一套，跑个没完，直到累气喘吁吁，这才一跑一踮地围过了，这时母亲总是，好似生气的样子，边扇边训，这才一跑一踮地围过了，这时母亲总是，好似生气的样子，边扇边训，“你你看热的，跑什么？看热的，跑什么？”此时这把蒲扇，是那么凉快，那么的温馨幸福，有

23、母亲此时这把蒲扇，是那么凉快，那么的温馨幸福，有母亲的味道！蒲扇是中国传统工艺品，在我国已有三千年多年的历史。取材的味道！蒲扇是中国传统工艺品，在我国已有三千年多年的历史。取材于棕榈树，制作简单，方便携带，且蒲扇的表面光滑，因而，古人常会在上于棕榈树，制作简单，方便携带，且蒲扇的表面光滑，因而，古人常会在上面作画。古有棕扇、葵扇、蒲扇、蕉扇诸名，实即今日的蒲扇，江浙称之为面作画。古有棕扇、葵扇、蒲扇、蕉扇诸名，实即今日的蒲扇，江浙称之为芭蕉扇。六七十年代，人们最常用的就是这种，似圆非圆，轻巧又便宜的蒲芭蕉扇。六七十年代，人们最常用的就是这种，似圆非圆，轻巧又便宜的蒲扇。蒲扇流传至今，我的记忆中，它跨越了半个世纪，也走过了我们的扇。蒲扇流传至今，我的记忆中，它跨越了半个世纪，也走过了我们的半个人生的轨迹，携带着特有的念想，一年年，一天天，流向长长的时间隧半个人生的轨迹，携带着特有的念想，一年年，一天天，流向长长的时间隧道，袅道，袅