2021新版人教版选修一英语Unit 2 Cloning Where is it leading us reading ppt课件.ppt

1、人教版人教版(2019)选择性必修一选择性必修一 Unit 2 Looking into the future Reading and Writing Cloning:Where is it leading us? Get Ready for the Class Before Class Youll be the best! *Number the paragraphs. * Speak aloud while answering the questions. * Be more active! copy Hitler clone Cloning:Where is it leading us?

2、 Reading and Writing Fast Reading 1.Where is this text probably taken from? A. B. C. D. Para. 1 Para. 3 Para.2 Para.4 2. Match the main ideas with each paragraph. B. Whether cloning is good or bad. A. Possible uses of cloning in the future. C. Current uses of cloning. D. The definition of cloning. E

3、. The procedure of cloning a sheep. F. Concerns about cloning. Para.5 Para.6 Tip: Find out the topic sentence of each para. And you should pay special attention to the first or the last sentence in each para. Careful Reading A. To tell readers a piece of news. B. To make people interested in monkeys

4、. C. To introduce the topic of cloning. D. To invite readers to join in heated discussions. Para.1 It is a _ of making an exact _ of another animal or plant. It happens both in _ and in _. plants animals copy way 1. Whats the writers purpose of mentioning the first worlds cloned monkeys in Para.1? 2

5、. What is cloning? cloning First, gardeners use it to produce large quantities of plants for sale. major uses Para.2 Second, it is valuable for research on new plant species and for medical research on animals. Female sheep A provides an egg cell. The nucleus is _ from the egg cell. Female sheep B p

6、rovides a somatic cell. The nucleus is _ of the somatic cell. The egg cell from sheep A and the nucleus from sheep B are _. The combined cell divides and grows into an embryo. The embryo is then _ female sheep C. Finally, a lamb that is identical to sheep B but younger is born. How does the procedur

7、e of cloning the sheep work? removed put into taken out joined Para.3 same major uses big concerns cloning to breed animal species which are endangered to bring back species which are now extinct to grow human organs or tissue in animals to breed animals that will provide us with higher quality meat

8、,milk and eggs Paras. 4&5 List the major uses of cloning in the future: Which of the following is NOT a concern of cloning? A. An extinct animal that was brought back into existence would probably end up living in a zoo. B. The cloned animals as a resource of organ transplants will be injured or eve

9、n die. C. People believe that eating animal products that result from cloning will surely do good to our health. D. The possibility of using cloning to produce human beings is also a big concern. E. Not all technical problems have been solved to make cloning possible. A. Objective. B. Opposed. C. Su

10、pportive. D. Indifferent. What is the writers attitude towards cloning? Para.6 (uninterested / unconcerned ) Summary From the text, what have we learned about cloning? definition current uses procedure possible uses concerns uncertainty Challenge your memory copy uses plants animals procedure human

11、organs harmful help harm bigger Cloning is a way of making an exact 1._ of another animal or plant. It has two major 2._ . Gardeners use it to produce large quantities of 3._ for sale. And it is also valuable for research on new species and for medical research on 4._. However, the 5._ of cloning an

12、imals is difficult. In the future, cloning will have several major uses: to breed endangered animal species, bring back extinct species, grow 6._ or tissue and provide us with higher quality meat, milk or eggs. At the same time, there are still some concerns and the biggest is moral.In addition, man

13、y people worry that eating animal products that result from cloning might be 7._ (harm) to our health. And using cloning to produce human beings is an even 8._(big) concern.Therefore, we still wonder whether cloning will 9._ or 10._ the world and where it is leading us. Activity Supposing you yourse

14、lf were cloned, what would you like the cloned one to do for you? you yourself the cloned you Choose one from the following 4 scenes, write a short passage of about 30 words and give your reason. You may begin like this: In the future, if I were cloned, Id like the cloned me to. Because. do homework be my driver take care of me do housework According to what we have learned, write a short composition: My opinion about cloning 20 Thanks For Your Attention