人教版高中英語(yǔ)選修八-unit2-cloning-reading-教學(xué)課件-(共27頁(yè))-(1)

1、Step1. RevisionReview some important new words and phrases in the passage. 1)It is a way of making an _(準(zhǔn)確的)copy of another animal or plant.2)It is a difficult task to _(從事).3)The determination and patience of the scientists_(取得好結(jié)果).4)Dollys appearance had a great i_ on the public imagination.5)Some

2、 began to reform their legal systems and f_ research into human cloning.6)You _(欠) the lady an apology.exactundertakepaid offimpactforbadeowe Reading 兗州一中 cloningcloning選修八 unit2Do you enjoy watching TV series ?Journey To The WestStep 2. Leading inCloneMonkey KingCloneMonkey KingIt is a way of makin

3、g an exact copy of another animal or plant. What is cloning?discussionThere are 2 types of cloning.What are they?Natural cloneMan-made clone Look at these pictures and tell which ones are natural and which ones are man-made clones. Natural clone/ Man-made cloneNatural cloneNatural clone一株草莓依靠它沿地“爬走”

4、的匍匐莖,一年內(nèi)就能長(zhǎng)出數(shù)百株草莓苗Man-made cloneDollyMan-made clone?Cloning: Where is it leading us?readingMatch the main idea of each part.Cloning became controversial.The definition of cloningProblems of Dolly.Two major uses of cloning.Para 1. Para 2.Para 3.Para 4-5. I.Fast-readingstep3. ReadingII.Careful reading

5、Which statement is NOT true ?A. Cloning means making a copy of an animal or a plant.B. Twins that look exactly the same are originally from the same egg.C. Clone can be from both natural clone and man-made clone . D. Natural clones happen in animals as well as in plants.APara 1Para 2What are the adv

6、antages of cloning?Medical cloning could_ illnesses Cloning can produce_quantities of plants.Cloning plants can be valuable for research on _ . curecommercialnew plant speciesDolly seened to develop _at first.Then Dolly become _ill.Dollys illnesses were mor _to a much older animal.Dolly lived _ than

7、 the original sheep.What are the problems of Dolly?appropriateshorternormallyseriouslyPara 3True or false:1.Cloning has been used to cure serious illnesses.2.People feared that Cloned Hitlers would do harm to the world.3.All the research into human beings will be forbidden.4.Some countries will use

8、cloning in a wise way.Para 4-5TTFFIII.Intensive-reading1.The word “straightforward”(P2) means _. A. uncomplicated B. honest C. frank D. difficult2.Find out the sentence which has the same meaning as the following one in the passage. In an unfortunate way , the mice and Dolly sheep had no choice but

9、to die young. No one imagined that this would happen and so no one could prevent it.3.Translate the following sentence into Chinese. Newpapers wrote of evil leaders hoping to clone themselves to attain their ambitions.4.Whats the writers attitude towards cloning? A. Positive B. Negative C.not clear

10、ACSadly the same arbitrary fate affected other species, such as cloned mice.報(bào)紙報(bào)道說(shuō)，有些邪惡頭目希望克隆自己以現(xiàn)他們的野心。Step 4. Listening Listen to the tape and complete the following sentences.1.The fact is _ these are both examples of natural clones.2.But at last the determination and patience of the scientists _ i

11、n 1996.3.The fact _ she seemed to develop normally was very encouraging.4.On the other hand, Dollys appearance raised a storm of objections and had a great _ on the media and public imagination.5.Some began to reform their legal systems and _ research into human cloning.thatpaid offthatimpactforbade

12、Step5: Quiz（當(dāng)堂檢測(cè)）1.Words and expressions1)自然克隆2)得到回報(bào)3)自然發(fā)展4)產(chǎn)生巨大影響2.sentences1)多莉羊的出現(xiàn)引起了一陣強(qiáng)烈的反對(duì)。2)有些政府開(kāi)始改革司法制度，禁止克隆人的研究。Task1natural clonespaid offdevelop normallyhad a great impact onDollys appearance raised a storm of objectionsSome began to reform their legal systems and forbade research into hum

13、an cloning. As we approach the 21st century, it is clearer than ever that science and technology are changing the way we live and work. The breakthroughs are helping to reveal the mysteries of life, holding out new hope for lifesaving cures to some of our most dreaded diseases. In 1997, the great ne

14、ws shocked the whole world that the British scientists created a lamb, named Dolly from a single cell. The cell had been taken from an adult sheep, which marks the first time an adult animal had been successfully cloned. But it soon caused worldwide concern. Cloning is especially controversial becau

15、se it raises the prospect of making humans genetically identical to an existing man or woman. Some people claim attempting to use these cloning techniques to actually clone a human being, which is untested and unsafe and morally unacceptable. How to look upon this new technique? When it comes to a d

16、iscovery like cloning, we must be cautious with our words and actions. First, great thanks should be given to its inventors. Meanwhile, great efforts should be made to place this technique under strict control. Especially we should adopt a document against human cloning since past experience tells u

17、s a new invention may cause troubles if it is misused.1)The word “dreaded” in the first paragraph means_. A.popularB.worldwideC.fearfulD.common2)Find out the sentence which has the same meaning as the following one. When cloning is involved, we must pay attention to what we do and say. 3)Translate the underlined sentence into Chinese. Task2 comprehensionWhen it comes to a discovery like cloning, we must be cautious with our words and actions.C細(xì)胞從一個(gè)成年羊身上提取，這標(biāo)志著第一次成功地克隆