Reading 預習案
Task one Choose the best answers
1. Dolly the sheep __________
A. looked exactly like the sheep that provides the egg.
B. was the exactly copy of the sheep that provides the nucleus.
C. look like the sheep that gave birth to it.
D. had the characteristics of all the three sheep.
2. How many female sheep are involved in the cloning? ___________
A. Four. B. Three. C. Two. D. One.
3. In the second paragraph, the word “straightforward” means ____.
A. uncomplicated B. honest C. frank D. difficult
4. Which of the following 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. Famous persons who have passed away can be cloned.
D. Cloning can help keep animals from becoming extinct.
5. Which of the follow is NOT a problem or danger of cloning mentioned in the text?
A. Evil leaders may want to clone themselves.
B. Animal clones may develop the illness of older animals and may die younger than the donor animals.
C. There are moral objections to cloning human beings.
D. Too much cloning may lead to the destruction of the balance of nature.
6. The sheep that donated the somatic cell most probably live_____ years.
A. 3 B. 6 C. 9 D. 13
7. What is the writing style?
A. Expositive. B. Descriptive. C. Argumentative.
8. The writer’s reaction towards cloning is____
A. Positive B. Negative C. neutral /Objective
Task two Find the phrases in the text and remember them
1.從---受益(P10下) __________________ 2.問題出現(xiàn)(P10下) ________¬¬¬__________
3.與…完全相同_________________
4. 從生長著的植物上剪下枝條來______________________________________________________________________
5. 在性別和相貌上完全相同_____________________________________________
6. 自然克隆現(xiàn)象______________________ 思考： 人造克隆__________________
7. 兩大用途___________________________________________________________
8. 用來生產(chǎn)大量的供商用的植物_________________________________________
9. 科學家的決心和耐心終得到了回報___________________________________
10. 從…中取出（2個 圖下小字）________________ ________________
11.關(guān)注著首例成功的克隆動物的進展_____________________________________________________________________
12. 令人煩擾的消息_____________________13. 使沮喪_____________________
14. 適合于---的；適當?shù)腳_______________________________________________
15. 一方面….另一方面….. ______________________ ________________________
16. 引起了一陣強烈反對________________________________________________
17. 對媒體產(chǎn)生巨大的影響______________________________________________
18. 打開人們對…的眼界________________________________________________
Task three Fill in the blanks
Cloning is a way of making an_________ copy of another animal or plant. It can be used to clone plants and ___________. Cloning plants is _____________ while cloning animals is very _____________. However, the determination and patience of the scientists ________ _______with the birth of Dolly. But then came the _____________news that Dolly had become seriously ill. The fact ________ Dolly lived six, half the length of the life _________ __________ the cloning scientists. Dolly’s appearance _______ a storm of objections and had a great __________on the media and the public imagination. Scientists still wonder ____________cloning will help or harm us and where it is leading us.
Reading 課內(nèi)探究案 【自主學習】 I. What is the main idea of the passage? The passage tells us that_______¬¬¬¬_____ cloning raised ______________and scientists are not sure about its_____________. III. Fast reading: True or false. 1. Cloning means making a copy of an animal or a plant. ( ) 2. Gardeners can make a lot of money by cloning plants. ( ) 3. Cloning animals is as complicated as cloning plants. ( ) 4. Dolly the sheep was the first successful clone of a mammal. ( ) 5. Natural clones happen in animals as well as in plants. ( ) IV. Number the main ideas of the paragraphs. ___.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.
【合作探究】 Step one Find answers to the following questions 1. Read para1 and answer the following questions. 1) What is cloning?
2) How cloning happens in plants?
3) What about in animals?
2. Read para2 and answer the following questions. 1) What are the two major uses of cloning?
2) Why is it easier to make commercial plant clones than animal clones?
3. Read the procedure of cloning Dolly the sheep and translate it into Chinese. 4. Read para3 and 4 and finish the following table. Way of birth Life span Cause of death Reflections on Dolly 5. Read para5 and describe different attitudes towards human cloning..
Step two Discussion Read the whole passage again and fill in the following chart. Problems or dangers of cloning Advantages of cloning
Step three Translation 1. Cloning has always been with us and is here to stay.
2. It happens in plants when gardeners take cuttings from growing plants to make new ones. It also happens in animals when twins identical in sex and appearance are produced from the same original egg.
3. But at last the determination and patience of the scientists paid off in 1996 with a breakthrough—the cloning of Dolly the sheep.
4. Then came the disturbing news that Dolly had become seriously ill. Cloning scientists were cast down to find that Dolly’s illnesses were more appropriate to a much older animal.
5. The questions that concerned all scientists were: “Would this be a major difficulty for the cloned animals? ……”
6. On the other hand, Dolly’s appearance raised a storm of objections and had a great impact on the media and public imagination.
7. It suddenly opened everybody’s eyes to the possibility of using cloning to cure serious illness and even to produce human beings.
8. Governments became nervous and more conservative. Some began to reform their legal systems and forbade research into human cloning, but other countries like China and the UK, continued to accumulate evidence of the abundant medical aid that cloning could provide.
【精講點撥】 1. It is a difficult task to undertake. 譯文：__________________________________________ 句中it 是形式主語嗎？_________ 它具體指代什么？__________________________ 劃線部分做什么成分？______________________ 2. Then came the disturbing news that Dolly had become seriously ill. 譯文： _____________________________________________________________________ 本句是部分倒裝還是全部倒裝？_____ 什么規(guī)則讓它倒裝？____________________________ that 引導________ 從句，可以省略嗎？________ 3. Could it be solved if corrections were made on their research procedure?譯文： _____________________________________________________________________ 4. Find a sentence to replace the following one: Suddenly human beings realized that they may cure serious illnesses or clone themselves by means of cloning. _____________________________________________________________________ 【課后延伸】Improve your writing ability: 寫作情景：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；他們主要有兩種不同的意見： 寫作內(nèi)容： 支持者認為克隆利大于弊，克隆技術(shù)是21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。 反對者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;邪惡分子可能克隆自己，給人類帶來災難等。 同學們利用你課本中所接觸的詞匯和句式，學習正常的英式表達，讓自己體會一下英語寫作帶來的成功。 ____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
Reading 課內(nèi)探究案 【自主學習】 I. What is the main idea of the passage? The passage tells us that_______¬¬¬¬_____ cloning raised ______________and scientists are not sure about its_____________. III. Fast reading: True or false. 1. Cloning means making a copy of an animal or a plant. ( ) 2. Gardeners can make a lot of money by cloning plants. ( ) 3. Cloning animals is as complicated as cloning plants. ( ) 4. Dolly the sheep was the first successful clone of a mammal. ( ) 5. Natural clones happen in animals as well as in plants. ( ) IV. Number the main ideas of the paragraphs. ___.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.
【合作探究】 Step one Find answers to the following questions 1. Read para1 and answer the following questions. 1) What is cloning?
2) How cloning happens in plants?
3) What about in animals?
2. Read para2 and answer the following questions. 1) What are the two major uses of cloning?
2) Why is it easier to make commercial plant clones than animal clones?
3. Read the procedure of cloning Dolly the sheep and translate it into Chinese. 4. Read para3 and 4 and finish the following table. Way of birth Life span Cause of death Reflections on Dolly 5. Read para5 and describe different attitudes towards human cloning..
Step two Discussion Read the whole passage again and fill in the following chart. Problems or dangers of cloning Advantages of cloning
Step three Translation 1. Cloning has always been with us and is here to stay.
2. It happens in plants when gardeners take cuttings from growing plants to make new ones. It also happens in animals when twins identical in sex and appearance are produced from the same original egg.
3. But at last the determination and patience of the scientists paid off in 1996 with a breakthrough—the cloning of Dolly the sheep.
4. Then came the disturbing news that Dolly had become seriously ill. Cloning scientists were cast down to find that Dolly’s illnesses were more appropriate to a much older animal.
5. The questions that concerned all scientists were: “Would this be a major difficulty for the cloned animals? ……”
6. On the other hand, Dolly’s appearance raised a storm of objections and had a great impact on the media and public imagination.
7. It suddenly opened everybody’s eyes to the possibility of using cloning to cure serious illness and even to produce human beings.
8. Governments became nervous and more conservative. Some began to reform their legal systems and forbade research into human cloning, but other countries like China and the UK, continued to accumulate evidence of the abundant medical aid that cloning could provide.
【精講點撥】 1. It is a difficult task to undertake. 譯文：__________________________________________ 句中it 是形式主語嗎？_________ 它具體指代什么？__________________________ 劃線部分做什么成分？______________________ 2. Then came the disturbing news that Dolly had become seriously ill. 譯文： _____________________________________________________________________ 本句是部分倒裝還是全部倒裝？_____ 什么規(guī)則讓它倒裝？____________________________ that 引導________ 從句，可以省略嗎？________ 3. Could it be solved if corrections were made on their research procedure?譯文： _____________________________________________________________________ 4. Find a sentence to replace the following one: Suddenly human beings realized that they may cure serious illnesses or clone themselves by means of cloning. _____________________________________________________________________ 【課后延伸】Improve your writing ability: 寫作情景：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；他們主要有兩種不同的意見： 寫作內(nèi)容： 支持者認為克隆利大于弊，克隆技術(shù)是21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。 反對者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;邪惡分子可能克隆自己，給人類帶來災難等。 同學們利用你課本中所接觸的詞匯和句式，學習正常的英式表達，讓自己體會一下英語寫作帶來的成功。 ____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________