1、Module 5 Cloning,Vocabulary and Reading,-Cloning and DNA,acid bacteria embryo enzyme tissue organism stem cell upbringing genetic,adj.酸（性）的 n.细菌 n.胚胎 n.酶 n.(生理)组织 n.有机体干细胞 n.抚育，养育 adj.基因的，遗传的,Words and Expressions,make-up genetics transparent twisting fundamental component pea procedure unzip,n.构成，构
2、造 n.遗传学 adj.透明的 adj.扭曲的，弯曲的 adj.基本的，重要的 n.成分 n.豌豆 n.程序 v.解开,Words and Expressions,a sequence of insert (be) identical to controversial valid optional reproduce exceptional contradictory,一系列的 v.植入，插入 和一样/一致 adj.有争议的 adj.有效的 adj.可选择的 v.复制，使再现 adj.特别的，非凡的 adj.相反的，对立的,Words and Expressions,vice virtue f
3、lexible compulsory regulation handy resist sow rot pest,n.缺点，弱点 n.优点，善行 adj.易适应的 adj.强制的，强迫的 n.法规，条例 adj.方便的，便利的 v.抵抗 v.播种 n.腐败病，腐蚀病 n.害虫,Words and Expressions,rely on biodiversity breed analyse suspect saliva spit fingernail code as follows,依靠，依赖 n.生物多样性 n.（动植物的）品种 v.分析 n.嫌疑人 n.唾液，口水 v.吐出(唾液) n.手指甲
4、 n.法规，法则如下,Words and Expressions,Read these words and decide which ones youre likely to see in the passage.,acid bacteria embryos enzyme experience gene human tissue organism plant psychological stem cell structure upbringing,Before Reading,Reading,DNA,the fundamental component of life,a clone,an or
5、ganism which is genetically identical to another,a stem cell,a cell that can develop into every other type of cell,the particular genes that give a person their physical characteristics,the genetic make-up of a person or a plant,bacteria,very small organisms that cause diseases,an enzyme,chemicals f
6、ormed in the body,Careful Reading,Para. 1 Paras 2&3 Paras 4-7,The structure of DNA was discovered.,How to clone something.,The possible reasons and disadvantages of cloning.,1 When was the structure of DNA discovered? In 1953. 2 How do the scientists clone something? They take the DNA from a single
7、cell to create another identical individual.,3 List the four possible reasons for cloning in this passage. 1) As an alternative treatment for couples who find it difficult to have children. 2) To reproduce the talents of exceptional people. 3) To obtain a supply of stem cells. 4) To help farmers gro
8、w resistant crops.,4 What are the disadvantages of cloning? 1) A clone would be under unknown psychological pressure. 2) A clone may possess new vices instead of existing virtues. 3) Embryos made from clones would be wasted which some people would find unacceptable. 4) To rely on a few cloned animal
9、s or crops would restrict biodiversity.,After Reading,Discussion,Do you think the advantages of cloning are greater than the disadvantages? Whats the most interesting use of cloning described in the passage? If there were no disadvantages in cloning, which exceptional person would you like to clone?
10、 Can you say why?,Writing,1 Make notes of arguments for and against cloning you discussed above. 2 Decide whether you are for or against cloning after your listening and reading. Try to think of some arguments of your own.,For cloning: Cloning will be beneficial to human beings. Cloning is a way of
11、helping nature. Clone animals that are becoming extinct.,Against cloning: Cloning is wrong and against nature. Cloning treats animals and people as things, as products. People are afraid that scientists will create thousands of copies of the same person.,You can write as follows: Are you for or agai
12、nst cloning? Give your reasons. Use these words:“firstly secondly lastly” 3. Give examples to support your idea. You can see the example on page 66 (3),Reading Practice,Scientific Fact or Hollywood Fiction?,sci-fi eccentric accompany knock out get out of control as far as we know absorb,adj.科幻的 adj.
13、古怪的，反常的 v.陪伴，陪同摧毁摆脱控制据我们所知 v.吸收,Words and Expressions,sample intact break down arise vice versa bringback to life violence,n.样本 adj.完整的 分解 v.发生，出现 反之亦然 使复活 n.暴力,Words and Expressions,Main idea,The passage is about the scientific truth behind dinosaur cloning in Jurassic Park. The writer (a science t
14、eacher) thinks that its not scientifically possible to clone dinosaurs and that the idea is only Hollywood fiction.,Discussion,What might happen if dinosaurs got out of control in the world?,Cultural Corner,-Brave New World,1. When was the book Brave New World written? 2. Who wrote the book? 3. How
15、many types of clones are there in the world described in the book? What are they? 4. Why is the book still famous today? 5. What are the most important features of the society described in Brave New World?,In 1931,Aldous Huxley.,Scanning,ANSWER,3. Five. They are Alphas, Betas, and three lower groups
16、. 4. Because it describes a terrifying future world and that is becoming more and more possible. 5. The government is in absolute control. It organises society by drugs and other methods so that it is stable. Everyone has a place and stays in it. The people are all happy with their position in socie
17、ty, so that they will not try to change society.,Reading,What are the most important features of the society described in Brave New World, in your opinion? The government is in absolute control. It organises society by drugs and other methods so that it is stable. Everyone has a place and stays in i
18、t. The people are all happy with their position in society.,Discussion,Do you think the world described in this novel is possible? Why?,Speaking,Task Debating : To clone or not clone? Divide into two groups and do just like this:,A student from one group to present an argument. A student from the ot
19、her side replies with his / her argument.,Student A: If cloned humans become common, that would be a good thing. Student B: Im not sure this would be a good thing. People might hate the clones. Student A: Yes, thats possible. But on the other hand, we could use clones for factory work. That would be wonderful.,Thank you!,
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