全新版大学英语(第三册)第二版电子教案Unit8复习过程.ppt

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1、Supplementary ReadingAfter ReadingDetailed ReadingGlobal ReadingDetailed ReadingBefore ReadingUnit 8 CloningB R _ mainWord WebWarm-up QuestionsTest Your Knowledge on CloningListening ComprehensionBackground Information第一页，共195页。Supplementary ReadingAfter ReadingDetailed ReadingGlobal ReadingDetailed

2、 ReadingBefore ReadingUnit 8 CloningB R _ English Song _ mainBackground InformationHwang Woo-SukStemagenCloningDollyThe Pope第二页，共195页。Supplementary ReadingAfter ReadingDetailed ReadingGlobal ReadingDetailed ReadingBefore ReadingUnit 8 CloningB R _ Sales Promotion _ mainWord Web What words or express

3、ions will occur to you whenever we mention“cloning”?Write down as many words and phrases as possible.identicalunethical embryoreplicatehorrifyingreproductivescientiststem cellriskDolly,the sheephuman cloninggenedisputablecure diseaseorganscientific advancesci-fi filmorgan第三页，共195页。Supplementary Read

4、ingAfter ReadingDetailed ReadingGlobal ReadingDetailed ReadingBefore ReadingUnit 8 CloningB R _ Introductory Remarks Warm-up Questions 1.What is cloning?Are there different types of cloning?2.How can cloning technologies be used?3.What animals have been cloned so far,and for what purpose?4.Can organ

5、s be cloned for use in transplants?If so,give examples.5.What are the risks of cloning?6.Should humans be cloned?第四页，共195页。Supplementary ReadingAfter ReadingDetailed ReadingGlobal ReadingDetailed ReadingBefore ReadingUnit 8 CloningB R _ Listen and Complete 1.The concept of“cloning”was originally a s

6、cience fiction idea.FCloning was not originally a sci-fi idea although sci-fi writers have enjoyed playing about with the concept.Clones have always occurred in nature.()Test Your Knowledge on Cloning2.“Clone”comes from the ancient Greek word meaning“trouble”.FThe word“clone”comes from the ancient G

7、reek word meaning“twig”i.e.,a division from the main branch.()第五页，共195页。Supplementary ReadingAfter ReadingDetailed ReadingGlobal ReadingDetailed ReadingBefore ReadingUnit 8 CloningB R _ She Works Hard for the Money 13.One cell could theoretically launch a thousand clones.TIt takes a whole cell to st

8、art a clone but of course therere millions of genetically identical cells in an animal organ.()4.Dolly the sheep was grown in a test-tube.FAlthough the cloning process takes place in lab conditions,the embryo has to be transferred into a surrogate mother to develop into a whole animal.()第六页，共195页。Su

9、pplementary ReadingAfter ReadingDetailed ReadingGlobal ReadingDetailed ReadingBefore ReadingUnit 8 CloningB R _ She Works Hard for the Money 25.Cloned animals have the same personality as their“parent”.FCloned animals may or may not have the same personality as their parent personality is partly det

10、ermined by the environment.()第七页，共195页。Supplementary ReadingAfter ReadingDetailed ReadingGlobal ReadingDetailed ReadingBefore ReadingUnit 8 CloningB R _ She Works Hard for the Money 36.If you cloned yourself the clone would be the same age as you are.FIf you cloned yourself,the clone would begin lik

11、e any other baby as a single-celled organism and take nine months before it was born.()第八页，共195页。Supplementary ReadingAfter ReadingDetailed ReadingGlobal ReadingDetailed ReadingBefore ReadingUnit 8 CloningB R _ She Works Hard for the Money 4Listening ComprehensionListen to the passage about animal c

12、loning and answer the questions.tadpole:蝌蚪蝌蚪somatic:身体的，体壁的身体的，体壁的embryonic:胚胎的胚胎的 strip:剥去剥去gaur:野牛野牛traumatic:创伤的创伤的1.When was the first animal cloned?In 1952.第九页，共195页。Supplementary ReadingAfter ReadingDetailed ReadingGlobal ReadingDetailed ReadingBefore ReadingUnit 8 CloningB R _ She Works Hard

13、for the Money 52.How were clones created before the creation of Dolly?They were created from embryonic cells.3.What is the technology used in cloning the animals?Nuclear transfer technology.4.Can all species be cloned?Why?No.Because some species may be more resistant to somatic cell nuclear transfer

14、.第十页，共195页。Supplementary ReadingAfter ReadingDetailed ReadingGlobal ReadingDetailed ReadingBefore ReadingUnit 8 Cloning Scientists have been cloning animals for many years.In 1952,the first animal,a tadpole,was cloned.Before the creation of Dolly,the first mammal cloned from the cell of an adult ani

15、mal,clones were created from embryonic cells.Since Dolly,researchers have cloned a number of large and small animals including sheep,goats,cows,mice,pigs,cats,rabbits,and a gaur.All these clones were created using nuclear transfer technology.Hundreds of cloned animals exist today,but the number of d

16、ifferent species is limited.Attempts at cloning certain species have been unsuccessful.Some speciesB R _ She Works Hard for the Money 6第十一页，共195页。Supplementary ReadingAfter ReadingDetailed ReadingGlobal ReadingDetailed ReadingBefore ReadingUnit 8 CloningB R _ She Works Hard for the Money 6species ma

17、y be more resistant to somatic cell nuclear transfer than others.The process of stripping the nucleus from an egg cell and replacing it with the nucleus of a donor cell is a traumatic one,and improvements in cloning technologies may be needed before many species can be cloned successfully.第十二页，共195页

18、。Supplementary ReadingAfter ReadingDetailed ReadingGlobal ReadingDetailed ReadingBefore ReadingUnit 8 CloningCloning describes the processes used to create an exact genetic replica of another cell,tissue or organism.The copied material,which has the same genetic makeup as the original,is referred to

19、 as a clone.The most famous clone was a Scottish sheep named Dolly.B R _ Questions and Answers 1Cloning Gene cloningReproductive cloningTherapeutic cloningTypes of CloningCreationIt creates copies of genes or segments of DNA.It creates copies of whole animals.It creates embryonic stem cells.第十三页，共19

20、5页。Supplementary ReadingAfter ReadingDetailed ReadingGlobal ReadingDetailed ReadingBefore ReadingUnit 8 CloningB R _ Questions and Answers 2第十四页，共195页。Supplementary ReadingAfter ReadingDetailed ReadingGlobal ReadingDetailed ReadingBefore ReadingUnit 8 CloningB R _ Definition 1Hwang Woo-Suk a South K

21、orean veterinarian researcher a professor of theriogenology and biotechnology at Seoul National University(dismissed on March 20,2006)infamous for fabricating a series of experiments in the field of stem cell research第十五页，共195页。Supplementary ReadingAfter ReadingDetailed ReadingGlobal ReadingDetailed

22、 ReadingBefore ReadingUnit 8 CloningB R _ Definition 2 Hwang Woo-Suk was considered one of the pioneering experts in the field of stem cell research until November 2005,best known for two articles published in the journal Science in 2004 and 2005 where he fraudulently reported to have succeeded in c

23、reating human embryonic stem cells by cloning.Both papers were later editorially retracted after they were found to contain a large amount of fabricated data.第十六页，共195页。Supplementary ReadingAfter ReadingDetailed ReadingGlobal ReadingDetailed ReadingBefore ReadingUnit 8 CloningB R _ Definition 3Stema

24、gen a corporation headed by Dr.Samuel Wood notable for cloning adult skin cellsIt successfully created the first 5 mature human embryos using DNA from adult skin cells.第十七页，共195页。Supplementary ReadingAfter ReadingDetailed ReadingGlobal ReadingDetailed ReadingBefore ReadingUnit 8 CloningB R _ Questio

25、ns and Answers 2第十八页，共195页。Supplementary ReadingAfter ReadingDetailed ReadingGlobal ReadingDetailed ReadingBefore ReadingUnit 8 CloningB R _ Definition 4DollyAddressed as:Dolly:July 5,1996 February 14,2003Remarkable for:Cloned by:Cloned in:The worlds most famous sheep.Being the first mammal to be cl

26、oned from an adult somatic cell.Ian Wilmut,Keith Campbell and colleagues.Edinburgh,Scotland.第十九页，共195页。Supplementary ReadingAfter ReadingDetailed ReadingGlobal ReadingDetailed ReadingBefore ReadingUnit 8 CloningB R _ Definition 5第二十页，共195页。Supplementary ReadingAfter ReadingDetailed ReadingGlobal Rea

27、dingDetailed ReadingBefore ReadingUnit 8 CloningB R _ Definition 6The Pope the Bishop of Rome the leader of the worldwide Catholic Churchhead of state of Vatican CityThe current pope(as in 2010)is Pope Benedict XVI,elected April 19,2005 in papal conclave.第二十一页，共195页。Supplementary ReadingAfter Readin

28、gDetailed ReadingGlobal ReadingDetailed ReadingBefore ReadingUnit 8 CloningB R _ Definition 7第二十二页，共195页。Supplementary ReadingAfter ReadingDetailed ReadingGlobal ReadingBefore ReadingUnit 8 CloningG R _ mainPart Division of the Text Further Understanding第二十三页，共195页。Supplementary ReadingAfter Reading

29、Detailed ReadingGlobal ReadingBefore ReadingUnit 8 CloningG R _ Further UnderstandingFurther UnderstandingFor Part 2For Part 1 True or False For Part 3 Blank Filling Table CompletionMultiple Choice第二十四页，共195页。Supplementary ReadingAfter ReadingDetailed ReadingGlobal ReadingBefore ReadingUnit 8 Clonin

30、gG R _ Part Division of the Text Part Division of the TextPartsPara(s)Main Ideas 114The writer relates under what circumstances the stem cell research company Stemagen was set up.2523The writer gives an account of their research efforts toward the goal of creating lines of embryonic stem cells using

31、 a process known as therapeutic cloning.第二十五页，共195页。Supplementary ReadingAfter ReadingDetailed ReadingGlobal ReadingBefore ReadingUnit 8 CloningG R _ Part Division of the TextPartsMain Ideas The writer tells about his attitude towards criticisms against using embryos for scientific research.32427Par

32、a(s)第二十六页，共195页。Supplementary ReadingAfter ReadingDetailed ReadingGlobal ReadingBefore ReadingUnit 8 CloningG R _ True or False 1True or False1.When Hwang Woo-Suk reported his success in creating human embryonic stem cells by cloning,people felt they were cheated.2.A lot of diseases would be treated

33、 if human embryonic stem cells can really be created by cloning.FWhen Hwang Woo-Suk reported his success in creating human embryonic stem cells by cloning,people felt very excited.()T()第二十七页，共195页。Supplementary ReadingAfter ReadingDetailed ReadingGlobal ReadingBefore ReadingUnit 8 CloningG R _ True

34、or False 23.Dr.Wood has a profound love for his mother.T()4.Dr.Wood decided to do something for his mother when she developed diabetes.FDr.Wood decided to do something for his mother at her funeral.()第二十八页，共195页。Supplementary ReadingAfter ReadingDetailed ReadingGlobal ReadingBefore ReadingUnit 8 Clo

35、ningG R _ True or False 35.The other founder of Stemagen,the stem research company,also lost his father to diabetes.FThe other founder of Stemagen,the stem research company,lost his father to ALS.()6.As his mother had diabetes,Dr.Wood thought it was rather ordinary to see his mother lose her eyesigh

36、t and most of her ability to walk.FIt was absolutely horrifying for Dr.Wood to see his mother lose her eyesight and most of her ability to walk.()第二十九页，共195页。Supplementary ReadingAfter ReadingDetailed ReadingGlobal ReadingBefore ReadingUnit 8 CloningG R _ True or False 1Table Completion Reproductive

37、 cloning VS Therapeutic cloning PurposeEffectsReproductive cloningThe majority of reproductive clones are abnormal,with very high miscarriage rates,very high stillbirth rates,fetal anomalies,death soon after birth,etc.To create an exact copy of an animal or human that already exists or has existed第三

38、十页，共195页。Supplementary ReadingAfter ReadingDetailed ReadingGlobal ReadingBefore ReadingUnit 8 CloningG R _ True or False 3PurposeEffectsTherapeutic cloningTo harvest embryonic stem cells for use in medical treatmentsTherapeutic cloning does not involve any type of risk to human life and actually pro

39、vides tremendous potential for the relief of suffering in human beings.第三十一页，共195页。Supplementary ReadingAfter ReadingDetailed ReadingGlobal ReadingBefore ReadingUnit 8 CloningG R _ Multiple Choice11.What are the researchers interested in?_A.Cloning genes.B.Helping the sick.C.Creating disease-specifi

40、c and person-specific stem cell lines.D.Putting a human face on cloning.Multiple Choice第三十二页，共195页。Supplementary ReadingAfter ReadingDetailed ReadingGlobal ReadingBefore ReadingUnit 8 Cloning1.What are the researchers interested in?_G R _ Multiple Choice1AAA.Cloning genes.B.Helping the sick.C.Creati

41、ng disease-specific and person-specific stem cell lines.D.Putting a human face on cloning.Multiple Choice第三十三页，共195页。Supplementary ReadingAfter ReadingDetailed ReadingGlobal ReadingBefore ReadingUnit 8 Cloning1.What are the researchers interested in?_G R _ Multiple Choice1BA.Cloning genes.B.Helping

42、the sick.C.Creating disease-specific and person-specific stem cell lines.D.Putting a human face on cloning.Multiple ChoiceB第三十四页，共195页。Supplementary ReadingAfter ReadingDetailed ReadingGlobal ReadingBefore ReadingUnit 8 Cloning1.What are the researchers interested in?_G R _ Multiple Choice1CA.Clonin

43、g genes.B.Helping the sick.C.Creating disease-specific and person-specific stem cell lines.D.Putting a human face on cloning.Multiple ChoiceC第三十五页，共195页。Supplementary ReadingAfter ReadingDetailed ReadingGlobal ReadingBefore ReadingUnit 8 Cloning1.What are the researchers interested in?_G R _ Multipl

44、e Choice1DA.Cloning genes.B.Helping the sick.C.Creating disease-specific and person-specific stem cell lines.D.Putting a human face on cloning.Multiple ChoiceD第三十六页，共195页。Supplementary ReadingAfter ReadingDetailed ReadingGlobal ReadingBefore ReadingUnit 8 CloningG R _ Multiple Choice22.What is Dr.Wo

45、od referred to as?_A.The man to clone Dolly.B.The first man to clone human embryonic stem cells.C.The first man to cure diabetes.D.The first man to“clone himself”.第三十七页，共195页。Supplementary ReadingAfter ReadingDetailed ReadingGlobal ReadingBefore ReadingUnit 8 Cloning2.What is Dr.Wood referred to as?

46、_G R _ Multiple Choice2AA.The man to clone Dolly.B.The first man to clone human embryonic stem cells.C.The first man to cure diabetes.D.The first man to“clone himself”.A第三十八页，共195页。Supplementary ReadingAfter ReadingDetailed ReadingGlobal ReadingBefore ReadingUnit 8 Cloning2.What is Dr.Wood referred

47、to as?_G R _ Multiple Choice2BA.The man to clone Dolly.B.The first man to clone human embryonic stem cells.C.The first man to cure diabetes.D.The first man to“clone himself”.B第三十九页，共195页。Supplementary ReadingAfter ReadingDetailed ReadingGlobal ReadingBefore ReadingUnit 8 Cloning2.What is Dr.Wood ref

48、erred to as?_G R _ Multiple Choice2CA.The man to clone Dolly.B.The first man to clone human embryonic stem cells.C.The first man to cure diabetes.D.The first man to“clone himself”.C第四十页，共195页。Supplementary ReadingAfter ReadingDetailed ReadingGlobal ReadingBefore ReadingUnit 8 Cloning2.What is Dr.Woo

49、d referred to as?_G R _ Multiple Choice2DA.The man to clone Dolly.B.The first man to clone human embryonic stem cells.C.The first man to cure diabetes.D.The first man to“clone himself”.D第四十一页，共195页。Supplementary ReadingAfter ReadingDetailed ReadingGlobal ReadingBefore ReadingUnit 8 CloningG R _ Mult

50、iple Choice33.What has led to the firestorm of controversy?_A.Humanizing cloning.B.Providing a roadmap.C.Serving the purpose of helping the patients.D.A woman donating an egg.第四十二页，共195页。Supplementary ReadingAfter ReadingDetailed ReadingGlobal ReadingBefore ReadingUnit 8 Cloning3.What has led to the