高二英語（選修八）unit 2 課時教案The First Period Reading

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1、 A Teaching Plan by Huang Aixia The First Period Reading Teaching goals 1. Target language a. key words and expressions clone，commercial，producer，undertake，arbitrary，object，forbid，accumulate，cast down，object to，the media，in favour of b. additional words for reading unfertilized cell

2、 culture medium 2. Ability goals Enable the students to describe cloning: What is the advantages of cloning？ What is the problems or dangers of cloning？What is your opinion of cloning？ 3. Learning ability goals Help the students learn how to describe cloning. Teaching important points 1

3、) How to describe cloning. 2) How to catch the details of the text 3) How to grasp the main idea of each paragraph and the whole passage Teaching difficult point Help the students analyze the writing techniques of the article. Teaching methods Skimming, and task-based method Teaching aids

4、 A recorder, a projector and some slides. Teaching procedures & ways Step I Lead-in (Warming Up) This topic is difficult for students. So the teacher should help the students learn more about it. Do this in the way of asking and answering questions. T: Do you enjoy watching TV series ? Ha

5、ve you ever seen Journey To The West ? It tells how Tang monk went to the Western Heaven to acquire scriptures. In this series, Monkey King plays an important part. He has seventy-two transformations. He can copy another one which looks exactly like him, which helps him overcome lots of difficulties

6、 on the way to the Western Heaven . But nowadays, you can imagine how rapidly the modern science and technology develop. I think most of you must know something about space traveling. Human beings can do what monkey King could do or even could not do . In recent years, a hot topic, cloning is often

7、mentioned, especially when the cloning Dolly the sheep appeared. Cloning technologies have been around for much longer than Dolly, though. First things first, what is cloning and a clone? It sounds very different and complicated to us. In fact, I mean, in our daily life, this happens often. For exam

8、ple, gardeners take cuttings from growing plants to make new ones. You often see that your mother picks a small branch from a growing plant to make a new one. If she likes this kind of flowers, she can do cloning. Cloning also happens in animals or human beings when twins identical in sex and appear

9、ance are produced from the same original egg.. The possibility of human cloning, raised when Scottish scientists at Roslin Institute created the much-celebrated sheep "Dolly", aroused worldwide interest and concern because of its scientific and ethical implications. Look at pictures. T: Look at the

10、 pictures and discuss how natural clones and man – madeclones differ. Step II Pre-reading Before class, ask the students to search for some information about this topic. T: Now enjoy a flash which shows how the procedure of a clone, trying to find out the answer to this question:Which sheep is

11、 Dolly’s mother in genetics? Step III While- reading Get the students to comprehend the passage quickly and accurately and meanwhile help the students form a good habit of reading. A Fast reading What is a clone? Show the following. 1 . Cloning means making a copy of an animal or a plant. 2

12、 . 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. Key 1. F (exact… another) 2. T commercial 3 F more than 4 T

13、breakthrough 5 T B Careful reading 1) Read the text again and find out the main idea of each paragraph . 2) Reading the text again and find the answer to each of the following question. Give a reason. A. Main idea B. Details C. Judgment Show the following Para. 1 Cloning is a way of makin

14、g an exact copy of another animal and plant. Para. 2 Cloning has two major uses. Para. 3 The problems of Dolly. Para. 4 The effect of Dolly. Para. 5 It is forbidden to clone human being. 1) 1. The main idea of the text is _____. A. animal cloning is very valuable and can benefit the

15、 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 born D. animal cloning raised arguments and scientists are not sure about its future 2．Which of the following statements about cloning is not true a

16、ccording to the text? A. Cloning is something that has been developed quite recently. B. Twins that look exactly the same are originally from the same egg. C. Cloning is used by gardeners to make more money． D. AnimaI cloning is much more difficult than plant cloning． 3．The Clonin

17、g 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 lots of money D. many other attempts to clone mammals failed 4. The lamb is the clone of the cel

18、l from sheep B because _____ . A. it provides the egg cell B. it gives birth to the lamb C. it provides the nucleus D. it is a female sheep 5. The sheep that donated the somatic cell most probably lived _____ years． A.3 B. 6 C. 9 D.12 6. Which of the follow is NOT a pro

19、blem 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 destruc

20、tion of the balance of nature. 7. 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 animal

21、s from becoming extinct. 8 In the second paragraph, the word “straightforward” means ____. A. uncomplicated B. honest C. frank D. difficult 9. We can infer from the last three paragraphs that ___. A. The normal development of Dolly had no effect on the cloning of other species. B. Dolly’s

22、 serious disease and final death disturbed the whole world. C. Dolly successfully cloned a new lamb with the help of cloning scientists. D. There were arguments about animals about animal cloning and concerns about the future of cloning. 10. What about the writer’s attitude toward cloning in thi

23、s passage? A. The writer is against cloning. B. The writer is in favour of cloning. C. The writer does not state any personal opinion about cloning. D. The writer is in agreement with cloning. (While checking the answers, get the students to tell the way to obtain the answers .) Step IV P

24、ost-reading 1.Ask the students to listen to the record. While listening, pay more attention to the correct pronunciation and tone. 2. Look at four pictures, and discuss this question with your partner. Is cloning people a good thing or a bad thing? Step V Homework Ask the students to d

25、o the following. 1. Read the text aloud and recite the key sentences in the text. 2 Write a passage titled Is cloning good or bad? Your passage should include the following. 1) Disadvantages of cloning 2) Advantages of cloning 3) Your opinion of cloning Notes after teaching 1. The tasks o

26、f this lesson were able to be finished and the teaching goals were achieved. 2. Most of the class are poor of English for lack of basic English , so though they worked attentively and managed to finish the tasks , most of them lacked liveliness all through the class .This is where I am trying to im

27、prove. 3. While preparing this lesson, I appreciated much help of Miss Tang, our good chief. She gave me as much as practical advice as she could. I also took good suggestions from Miss Wu and Miss Tuo. Many thanks! I think I am lucky to have such good colleagues. 單位：湖北省荊門市　姓名：李國　E_mail：liguo619@