Unit 9 Lesson 1 To Clone or Not to Clone （ppt课件）-2022新北师大版（2019）《高中英语》选择性必修第三册.pptx

1、选择性必修三Unit 9 Lesson 1 To Clone Or Not To CloneGet to the topicWho is it?What is it doing?（第一卷 石破天惊 第十一章 不打不识与牛魔结义）写道：魔王又气又急，刀下毫不放松，仍然是一刀快似一刀，刀刀追命，猴王见状，好似个没完没了，心下想，也罢，我就再陪他玩玩，乘空时从身上拔下一根毫毛，念动口诀，在口前轻轻一吹，叫了声“变”，立时便凭空出现了三个小猴儿，围在了牛魔王的身前和左右两侧(在西游记中，孙悟空只要从自己身上拔出一根毫毛，放在嘴边一吹，就可以变出无数个跟自己一模一样的小猴子。What is the ma

2、tter?)Thats cloning.Get to the topic01Do you know about cloning?02Come up with at least three questions about cloning.1.cell2.species3.identical genes4.to edit genes5.to develop artificially 6.to break the technical barrier7.to make an exact copy of 8.to produce animal modelsGet to know some words a

3、nd phrases related to cloning.1.细胞2.物种3.相同的基因4.编辑基因5.人工发展6.打破技术障碍7.精确复制8.生产动物模型 Read Para.1.What is the topic sentence of Para.1?Cloning is the process of making a exact copy of a plant or animal and developing it either naturally or artificially.To draw a structure map of the text Get close to each

4、 paragraph.Read Para.1、2、3.Sum up the main idea for each paragraph or find the topic sentence（s）for each paragraph.（Group Work）Topic Sentence(s)Main IdeaPara.1 Cloning is the process of making an exact copy of a plant or animal and developing it either naturally or artificially.Natural cloning has b

5、een going on for generations.The definition of cloning.Para.2 The first successfully cloned animal was a sheep named Dolly in 1996.She lived only half the life of the sheep from which she was cloned.And other cloned mammal species have been found a similar pattern of health problems.The first artifi

6、cial cloning.Para.3 In 2018,the first two long-tailed monkeys were cloned.Cloning a primate is more difficult than cloning other animals.The first cloned primates.Get close to each paragraph.Read Para.4 and 5.Ask students to sum up the main idea for each paragraph or find the key words for each para

7、graph.(Group work)Key wordsMain Idea Para.4 Will lead to cures for various diseases/cures for diseases/prevent aging/save research time/reduce the number of animals being tested on/produce more accurate results/better treatmentsThe potential benefits of cloning primates.Para.5 has refreshed the tech

8、nical possibility of cloning other species/clones should be treated as objects or individuals/clothes are inferior/some organizations may abuse the technologyMoral concerns about cloning primates.Read Para.6 Whats the main idea for the paragraph?The writers attitude towards cloning.Answer the questi

9、ons:1)Why do researchers insist that the science of cloning could be further explored and advanced?Researchers insist on exploring cloning in order to continue progress in curing diseases and developing treatments.2)What does Einsteins quote,mean?It means that the science itself cannot be just as go

10、od or bad,because it can only function when it is used by humans.He also indicates that humans need to be careful with the information they learn through science and to remember to use science for good.3)What is writers attitude towards cloning?Find evidence.The writer feels that clothing can be a h

11、elpful tool in medical research,but that it can also become dangerous.)(Evidence of this is in the writers use of Einsteins quote.Talk about cloning using the information in the article.Hints:What do the numbers represents?What did we learn in paragraph 1?.To draw a structure map of the text Instruc

12、t students to divide the text into three parts The text“To Clone Or Not To Clone”Parts Corresponding Paragraphs Main focuses11 Definition.22-3 Successful examples on cloning.34-6 Praises and concerns about clothing.根据大观念下的单元整体教学融合，本环节融合课根据大观念下的单元整体教学融合，本环节融合课本本62页页 Writing Workshop教学教学Summary Teache

13、r instruct the class to summarize what they have learned.回顾：必修二 P.62What are the tips for writing a summary?必修二 P.63选择性必修三 P.63Before writing a summary.Cloning is the process of making an exact copy of a plant or animal and developing it either naturally or artificially.Natural cloning has been goin

14、g on for generations.For example,gardens have been using a form of cloning when they take a cutting from a clients and place in the suitable medium such as soil,another example of natural cloning is identical twins who are produced from the same egg.1)What are the key words in this paragraph?Cloning

15、/making an exact copy/a plant and animal/natural cloning/going on for generations.2)Whats the main idea of the paragraph?Definition of cloning.3)Summarize the paragraph in one sentence.Cloning means to make an exact copy of a plant or animal and natural cloning has been going on for generations.Comp

16、are the summary with the original text.Answer the questions.1)What information from the original article is in the summary?(The key information)2)What information from the original article is not in the summary?(Extra details such as examples)Do the same for the other parts of the text.Group Work Pa

17、rt two There are two successful examples on artificial cloning.The first one was a Dolly sheep in 1996,who had a similar pattern of health problems with the other species.The other one is the cloning of two long-tailed monkeys in January2018 which was praised as a huge breakthrough all over the worl

18、d.Part three On one hand,the successful cloning of primates is useful in medical research.On the other hand,cloning has been an issue which causes a great deal of disagreement and provokes strong emotions.According to the writer,Cloning cloning can be a helpful tool in medical research,but that it c

19、an also become dangerous.One possible version.Writing Help When writing a summary,its important to:1)read the text and divide into parts 2)summarize each part in one or two sentences,covering the key information3)avoid including examples of explanations4)avoid adding your own ideas 5)using linking w

20、ords we are necessary Natural cloning has taken place for generations.An example of this is identical twins.A sheep called Dolly was the first mammal to be cloned artificially.Since Dolly,more than 20 mammal species have been cloned,including camels and goats.In 2018,China announced that two monkeys

21、 had been cloned.In comparison with other species,scientists have had to work hard to break the technical barriers to get primates with edited genes.Scientists say that this major breakthrough offers the potential to create monkeys with identical species to give more accurate research results and pe

22、rhaps lead to cures for various diseases.Whilst scientists insist it is crucial to continue research.Others raise moral concerns and worry that the technology might be abused by some organizations Complete the summary using the Information in the article.voice your opinion Ss watch the video and discuss the relationship between humans and technology Ss voice their opinionsThank You