人教课标版高中英语选修8Unit2 reading课件.ppt(课件中不含音视频素材)

1、Unit 2 ReadingUnit 2 ReadingCLONING:WHERE IS IT LEADING US?How much do you know about cloning?Cloning is a way of making an exact copy of another animal or plant.Pre-readingHow is a clone produced?The cloning of plants is simple andrelatively easy.It can be done by taking cuttings(man-made cloning)o

2、r letting the plant produce its own runners(natural cloning).The cloning of animals is more complicated.It can be divided into natural clone and man-made clone.Dolly the sheepMan-made cloneSkimming for general ideaMatch the main idea of each paragraph.Para 1Para 2Para 3Para 4Para 5A.The effect of Do

3、lly.B.What is cloning?D.Peoples reaction to cloning.E.Dollys problem and death.C.Two major uses of cloning.Scanning for specific informationCloning is a way of making an exact copy of another animal and plant.What is cloning?It happens both in _ and in_.They can be cloned by _ and _.plantsanimalsthe

4、mselveshumansPara 1 The definition of cloning1.How many major uses do cloning have?Firstly,commercial Secondly,research2.When was the cloning of Dolly the sheep born?Para 21996Two major uses and procedures of cloningAt first,the fact that Dolly developed _ in a natural way was _.Later,the news _she

5、lived for six years,half the length of the life of the _ one was _.Finally,the problem that occurred to the scientists was that a cloned animal lives_ the original one.Para 3The problems of Dollynormallyencouragingorginalthatas long as/shorter than/longer thandisturbingshorter thanThe word“controver

6、sial”in para 4 probably means _.A.complicated B.arguable C.important D.traditionalPara 4The effect of DollyTrue or False:1 People feared that Cloned Hitlers would do harm to the world.2 All the research into human beings will be forbidden.3 Some countries will use cloning in a wise way.Para 5 People

7、s reaction to cloningMany governments forbade research into human beings.Procedure of Cloning a SheepLook at these pictures Look at these pictures below first.below first.Mary!I thought Bob passed away last year.I had him cloned.cloned personAdvantagesto serve people as labors,do medical research,cl

8、one ourselves to accompany our parents,make friends with cloned people,when someone passed awayDisadvantagestoo much population,lack of food and space,illegal use of cloning,moral（道德的道德的 ）questions,break the balance,Are you in favor of human cloning or against it?State your opinions about it.As far

9、as I know,The benefit is.It should be a good way to.It can help us I dont think Its a bad way to.It may cause.I f you use it in a wrong way.Patterns may be used:My view on human cloning With the development of science and tecknology,clone has become a hot topic among people.The benefit of human clon

10、ing is cloning the body parts,it can save the person whos ill,so that it can do good to the human being.Most people are against human cloning,the biggest reason is that it may break the balance of the society.As far as I can see,human cloning has more advantages for us,we should be very careful to u

11、se it.I believe that only in this way our life will be more beautiful.Sharing As a coin has two sides,everything has two aspects.We should use cloning in a correct way.Homework Suppose you would be cloned in 2117,write a letter to“yourself”,telling about your views of the cloning and the life in the future.