人教版高中英语课件:Unit 2 Cloning.ppt
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1、Dolly,Unit 2 Clone Reading,Unit 2 Cloning Reading CLONING: WHERE IS IT LEADING US?,Pre-reading,In pairs discuss what you understand about cloning. Then judge the following sentences are true or fasle.,eading I Scanning ( 5ms ),Write the letter “T”if the statement is true. Write “F”if it is false.,1.
2、Cloning means making a copy of an animal or a plant. 2.Dolly the sheep was the first successful clone of a mammal. 3.Natural clones happen in animals as well as in plants.,F,T,T,Fast reading I.Skim and sum up the main idea of each paragraph.,Para.1 cloning is a way of making an exact copy of another
3、 animal or plant. Para.2 cloning have two major uses. Para.3 The problems of Dolly Para.4 The effect of Dolly Para.5 It is forbidden to clone human beings.,Definition : It is a way of making an exact copy of another animal and plant. T &F Cloning has been going on in the natural world for thousands
4、of years Clones happen in animals as well as in plants.,Intensive reading Part 1 (Para1),1.How many major uses do cloning have? Firstly, commercial Secondly, research 2. How many female sheep participate in the cloning of a new sheep? 3.When was the cloning of Dolly the sheep born?,Para 2,3,The majo
5、r uses and procedures of cloning,1996,Do you know about:,The procedure works of a sheep?,normally,Dolly lived for six years and a half years, half the length of the life of the original one.,Para3:The problems of Dolly,objection,appearance,imagination,Possibility,beings,True or false: 1 People feare
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