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1、READING Where is it leading us?Where is it leading us?Book 8 unit 2Natural 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(介入介入) .Warming upTwo kinds of clones:In pairs, look at these pictures and discuss whi
2、ch ones are natural clones and which ones are man-made. Explain how they differ.DiscussionA STRAWBERRY PLANTThe new plants that grow from the runners are exact copies of the original plant.Growing new plants富貴竹插枝即活富貴竹插枝即活 The gardener cuts the plant ,and then the cutting produces another new plant.T
3、WINSThey are born naturally and identical in sex and appearance.She was cloned while the others were born naturally.Dolly was a _ sheep.clonedHow does Dolly differ from other sheep?In 1996, a sheep called Dolly was born. It is the first mammal to be cloned. It is considered to be the greatest succes
4、s in the development of cloning. The following are some photos about cloning. See how much you know about it.2001 cloning cattle2003 Cloning horse20022002 cloning rabbitscloning rabbits2002 cloning cats2005 CLONING DOGS克隆的熒光小豬克隆的熒光小豬(左左)和正和正常小豬常小豬(右右)Skimming Please read the passage quickly and get
5、the main idea, and then finish the following exercises in groups. 1. The main idea of the text is_ A. animal cloning is very valuable and can benefit the world. B. animal cloning could be misused by bad people so it must be forbidden C. animal cloning is well developed because Dolly the sheep was bo
6、rn. D. animal cloning raised arguments and scientists are not sure about its future.主旨大意主旨大意2. The cloning of Dolly the sheep succeeded because_. A. its easier to clone a sheep than other animals B. the scientists were determined and worked hard with patience C. the scientists were rewarded and got
7、lots of money D. many other attempts to clone mammals failedB細枝末節(jié)細枝末節(jié)3. What is peoples fear about human cloning. Which of the following is wrong?A. Cloned Hitlers would do harm to the world.B. Cloned people may be killed at will for medical aid.C. A woman would have difficulty recognizing her real
8、husband.D. Men will die out because a woman can give birth to a baby without a husband.4. The sheep that donated the somatic cell most probably lived _ years. A. 3 B. 6 C. 9 D. 13推理判斷推理判斷5. We can infer from the last three paragraphs that _.A. The normal development of Dolly had no effect on the clo
9、ning of other species.B. Dollys serious disease and final death disturbed the whole world.C. There were arguments about animal cloning and concerns about the future of cloning.D. Dolly successfully cloned a new lamb with the help of cloning scientists.Reading LISTEN TO THE TAPE AND FIND OUT THE MAIN
10、 IDEA OF EACH PARAGRAPH.The main idea of each paragraph. a way of making an exact copy of another animal and plant.problemstwo majoreffect1.Cloning is _2.Cloning has _ uses.3.The _ of Dolly.4. The _ of Dolly.5. Peoples to cloning.reactionCloning is a way of making an exact copy of another animal and
11、 plant.What is cloning ?It happens both in _ and in_. They can be cloned by _ and _.plantsanimalsthemselveshumansNatural cloneMan-made clonePara 1 The definition of cloning Firstly, commercial Secondly, researchPara 2The major uses and procedures of cloningIn this paragraph, the word “straightforwar
12、d” means _.A. uncomplicated B. honest C. frank D. difficultAt first, the fact that Dolly developed _ in a natural way was _.Later, the news _Dolly had become seriously ill was _.Finally, the problem that occurred to the scientists was that a cloned animal lives_ the original one.Para 3The problems o
13、f Dollynormallyencouragingthatas long as / shorter than / longer thandisturbingshorter thanThe word “controversial” in para 4 probably means :_. A. complicated B. arguable C. important D. traditionalPara 4The impact of DollyIts appearance raised and the media and public imagination.a storm of object
14、ionshad a great impact onTrue or false:1People feared that Cloned Hitlers would do harm to the world.2 All the research into human beings will be forbidden.3 Some countries will use cloning in a wise way.Para 5 Peoples reaction to cloningMany governments forbade research into human beings. the autho
15、r does not state any personal opinion about cloning. A. Objective (be fair) B. Negative (be against it) C. Positive (be in favor of it)The writers attitude towards cloningBecause_Fill in the chart about the advantages and disadvantages of cloning.Advantage(good points)Disadvantage(bad points)Collect
16、ing information Cloning is beneficial toIt can make more profits forWe could use cloning to cureCloning can help saveCloning can provide a copy of a child for a couple Animals clones get ill andAgainst natureAnimals clones may develop the illness ofEvil leaders may want toPeople are afraid that scie
17、ntists will create thousands of copies of the same person.gardeners and farmersendangered animalswhose child has dieddie youngolder animalsclone themselvesillnesshumansPractice activity: Debate Are you in favor of cloning or against cloning? State your point of view on it. For AgainstHOMEWORK : 基礎(chǔ)寫作
18、基礎(chǔ)寫作寫作情景寫作情景：今天我們班同學討論了有關(guān)克隆的問題。同今天我們班同學討論了有關(guān)克隆的問題。同學們熱烈發(fā)表了評論和表達了自己的看法；他們主要學們熱烈發(fā)表了評論和表達了自己的看法；他們主要有兩種不同的意見：有兩種不同的意見：寫作內(nèi)容：寫作內(nèi)容： 支持者支持者認為克隆利大于弊，克隆技術(shù)是認為克隆利大于弊，克隆技術(shù)是21世紀人類世紀人類科學的偉大突破。人類可以利用克隆技術(shù)培養(yǎng)大量品科學的偉大突破。人類可以利用克隆技術(shù)培養(yǎng)大量品質(zhì)優(yōu)良的動植物；挽救珍奇瀕危動物；調(diào)節(jié)大自然的質(zhì)優(yōu)良的動植物；挽救珍奇瀕危動物；調(diào)節(jié)大自然的生態(tài)平衡；可以研制高水平新藥解決人類各種疾病等。生態(tài)平衡；可以研制高水平新藥解決人類各種疾病等。 反對者反對者認為克隆會導致動物早衰、夭折；無計劃的克認為克隆會導致動物早衰、夭折；無計劃的克隆動物會破壞生態(tài)平衡，導致一些疾病的傳播隆動物會破壞生態(tài)平衡，導致一些疾病的傳播;邪惡邪惡分子可能克隆自己，給人類帶來災(zāi)難等。分子可能克隆自己，給人類帶來災(zāi)難等。寫作要求：寫作要求：使用五個句子表達全部內(nèi)容使用五個句子表達全部內(nèi)容
高中英語：Book8 unit2 warming up prereading reading課件人教版選修8
