Module 5《Cloning》Listening,Spenking and Writin课件1(17张PPT)(外研版选修6)
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Module 5 NSE(6),Cloning,Periods dividing,Period 1 Introduction (Vocabulary and reading,speaking ) Period 2 Reading and vocabulary Speaking , Period 3 Function and Grammar Subjunctive Mood ( 1 ) Period 4 Listening and vocabulary, Everyday English Period 5 Cultural Corner and Reading (WB) and Task Period 6 Speaking and Writing,Period 4,Everyday English, Listening and Vocabulary,Step I Learn “Everyday English”,Every day we must talk with others,but how do we continue with our talk. Lets learn the meaning of the expressions. Activity 1) Match these words and expressions in the box with their meanings.,1. clearly 2. Im going to continue. 3. to say it another way 4. Its difficult to believe! 5. The opposite is true, 6. Thats completely untrue. 7. Thats right.,On the contrary Thats it. Incredible ! to continue Obviously in other words Nonsense!,1,3,2,4,5,6,7,Activity 2) Complete this conversation with expressions in the box with their meanings. (T= teacher S= student),T: Tell me what you know about cloning. S: Cloned animals take their genes from both their parents. T: _, they take their genes from both their parents. S: Sorry, yes, _, scientists join an egg and adult cell from the same animal or plant. This creates a clone. T: _! Well done! S: But of course, cloned animals will never be “real” animals, will they? T: _! _, there are problems with cloned animals at the moment.This is because cloning is a new science. But one day, clones will be just as good as real animals or humans. S: _, cloned humans will be just like you or me? T: Yes! S: _.,On the contrary,to continue,Thats it,Nonsense,Obviously,In other words,Incredible,Step II Pre-listening Activity 1) Look at the pictures and learn some words,a cell,Scientists working in a laboratory,a gene,(a) Cloning DNA in Plasmids. By fragmenting DNA of any origin (human, animal, or plant) and inserting it in the DNA of rapidly reproducing foreign cells, billions of copies of a single gene or DNA segment can be produced in a very short time. DNA to be cloned is inserted into a plasmid (a small, self- replicating circular molecule of DNA) that is separate from chromosomal DNA. When the recombinant plasmid is introduced into bacteria, the newly inserted segment will be replicated along with the rest of the plasmid. ( the structure of cloning),Activity 2) Answer the following questions according to Picture (sheep),Who do we get our genes from? How many parents does a cloned animals created? Where are cloned animals created? In what way are Sheep A and Sheep B identical?,Our parents.,One .,In a laboratory.,They have identical genes, and so are identical in every way.,Activity 3) Say which of the arguments below are for cloning and which are against cloning. Write F (for) for A (against) “be for= agree” “be against= disagree”,Cloning is against nature._. Cloning will be beneficial to humans.For example, if a couple cant have children, cloning could help give them a child._ Cloned animals get ill and die quite young._ People are afraid that scientists will create thousands of copies of the same person._ Cloning is dangerous because scientists may create monsters by mistake._ We could use cloning to cure illness._,A,F,A,A,A,F,Step III while-listening Activity 1) listen to a radio discussion about cloning and check the arguments for and against cloning that mentioned in Activity 3,Activity 2) listen to a radio discussion about cloning again and try to find the answers to the questions.,What topic is for this week? Who is Dr Hugh Donaville? Where do cloned animals are created? Where do cloned animals come from? What animals did scientists clone in 1997? How do many people believe cloning?,Answers to five questions,Cloning. He is a head of a company that has already cloned a number of animals. In the laboratory. They take all their genes from a single parent. A sheep called dolly. Cloning is wrong and against nature.,Activity 2) Listen the second time and fill in the missing words,Presenter: So what are the difficulties? Hugh D: Unfortunately, cloned animals _ For example, Dolly the sheep died in 2003. She should have lived longer. Presenter: _? Hugh D: Weve got a few ideas but we dont really understand why yet? Presenter: I see. Now obviously , Dr Donaville, you believe that cloning will be beneficial to human beings. Hugh D: Yes, I do. _, I d be in a different job. Presenter: Many people believe that_. How do you answer them? Hugh D: I tell them that_.,get ill and die quite young,Why do they get ill,If I didnt believe that,cloning is wrong and against nature,cloning is a way of helping nature,Activity 3) Listen the third time and correct the wrong information in the sentences on Page 46 (5),Dr Hugh Donaville works for a company that has already cloned a number of people. A sheep called Dolly was cloned in 1998. Dolly the sheep died in 2003. Donaville thinks scientists treated Dolly the sheep as a product. Donaville says that if a child is very ill, scientists could clone it. Donaville thinks is a good idea to have thousands of copies of the same person. Donaville says that we could clone animals that have become extinct.,animals,1997,Presenter,dies,terrible,becoming,Homework,1. Preview “ Cultural Corner” 2. Preview “Writing” 3. Get ready to do “Task (debating) “To clone or not clone?”,同学们,来学校和回家的路上要注意安全,同学们,来学校和回家的路上要注意安全,- 配套讲稿:
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