全新版大学英语-第二版-综合教程1-Unit3-电子教案-PPT-第2版-综合教程一 (2).ppt

《全新版大学英语-第二版-综合教程1-Unit3-电子教案-PPT-第2版-综合教程一 (2).ppt》由会员分享，可在线阅读，更多相关《全新版大学英语-第二版-综合教程1-Unit3-电子教案-PPT-第2版-综合教程一 (2).ppt（231页珍藏版）》请在淘文阁 - 分享文档赚钱的网站上搜索。

1、全新版大学英全新版大学英语-第二版第二版-综合教程合教程1-Unit3-电子教案子教案-PPT-第第2版版-综合教合教程一程一Before ReadingGlobal ReadingDetailed ReadingAfter ReadingSupplementary ReadingB R _ Warm-up Exercises _ listWarm-up Exercises Journey on the Paper Brainstorming CloneBefore ReadingGlobal ReadingDetailed ReadingAfter ReadingSupplementary

2、ReadingB R _ Clone _ listCloneNewsDiscussion Ads DesigningBefore ReadingGlobal ReadingDetailed ReadingAfter ReadingSupplementary ReadingB R _ Background Information _ listBackground Information Stephen Hawking Albert Einstein Frankenstein Before ReadingGlobal ReadingDetailed ReadingAfter ReadingSupp

3、lementary ReadingB R _ Stephen _ listStephen Hawking Brief Introduction to Stephen HawkingChronology of Stephen Hawking Main Achievements of Stephen Hawking Before ReadingGlobal ReadingDetailed ReadingAfter ReadingSupplementary ReadingB R _ Albert Einstein_ listAlbert Einstein(18791955)Monologue of

4、EinsteinAlbert Einsteins Special Theory of RelativityAlbert Einsteins General Theory of Relativity Before ReadingGlobal ReadingDetailed ReadingAfter ReadingSupplementary ReadingB R _ Frankenstein _ listFrankenstein A General IntroductionA Clip in the Novel Frankenstein Before ReadingGlobal ReadingDe

5、tailed ReadingAfter ReadingSupplementary ReadingB R _ Journey on the Paper 1 Now lets go on a journey through the most spectacular 100 years in the history of science and technology to have an overview of how our understanding of the world has grown from 1900 to today.Journey on the Paper Before Rea

6、dingGlobal ReadingDetailed ReadingAfter ReadingSupplementary ReadingB R _ Journey on the Paper 2 MATTERS OF LIFE AND DEATH Medicine and Health1900:Patients battle illness,while doctors can do little more than counsel(劝告劝告)and comfort them and keep them clean.Today:Doctors treat and often cure patien

7、ts with a vast array(一大批一大批)of medicines and medical technologies,but some diseases are still incurable.Before ReadingGlobal ReadingDetailed ReadingAfter ReadingSupplementary ReadingB R _ Journey on the Paper 3 MYSTERIES OF THE UNIVERSE Physics and Astronomy 1900:The Milky Way galaxy(星系星系)(including

8、 some unexplained nebular clouds(星云星云)is the known universe.Newtons laws explain the physical world.Matter is composed of atoms.Before ReadingGlobal ReadingDetailed ReadingAfter ReadingSupplementary ReadingB R _ Journey on the Paper 4Today:The Milky Way is just one galaxy among countless millions we

9、 have observed in the universe.There is no set of laws that explains all phenomena in the physical world,although there are many theories.Atoms are composed of many subatomic particles,all of which derive from(来自于来自于)energy.MYSTERIES OF THE UNIVERSE Physics and Astronomy Before ReadingGlobal Reading

10、Detailed ReadingAfter ReadingSupplementary ReadingToday:Mental illness can be treated with a range of therapies(治疗治疗)and medications.We know a great deal about the chemistry and the parts of the brain that control our behavior and thoughts.B R _ Journey on the Paper 5RESEARCH INTO OURSELVES Human Be

11、havior1900:There is no cure for the mentally ill,who are confined to insane asylums(精神病院精神病院).“Mind”and“body”arethought of as two separate things.Before ReadingGlobal ReadingDetailed ReadingAfter ReadingSupplementary ReadingB R _ Journey on the Paper 6FASTER,CLOSER,BETTER Technology1900:The only way

12、 to view the Olympic Games in Paris is in person.News about the Games travels to America via(通过通过)telegraph and is printed in newspapers.Today:Millions worldwide watch the 2008 Beijing Olympics on television,transmitted instantaneously(瞬间瞬间地地)by satellite.The news spreads as well by radio,newspaper,

13、and the World Wide Web.Before ReadingGlobal ReadingDetailed ReadingAfter ReadingSupplementary ReadingB R _ Journey on the Paper 7ORIGINS Earth and Life Science1900:There is no good explanation for catastrophic events such as earthquakes.The Earth is thought to be a mere 50 million years old,and the

14、evolution of species is hotly debated.Before ReadingGlobal ReadingDetailed ReadingAfter ReadingSupplementary ReadingB R _ Journey on the Paper 8Today:The plates(板块板块)that make up the Earths crust(地壳地壳)move over time,causing earthquakes and volcanoes.The Earth is known to be 4,500 million years old.T

15、he genetic code of DNA,which drives evolution,is better understood every day.ORIGINS Earth and Life ScienceBefore ReadingGlobal ReadingDetailed ReadingAfter ReadingSupplementary ReadingB R _ BrainstormingBrainstorm some of the scientific and technological inventions.geneticengineering cell phonee-ma

16、ilclone nuclear weapons laptop(笔记本电脑笔记本电脑)nanotechnology(纳米技术纳米技术)Before ReadingGlobal ReadingDetailed ReadingAfter ReadingSupplementary ReadingB R _ Discussion Discussion Do all these inventions always change our lives for thebetter?Give examples to explain your opinion.Before ReadingGlobal Reading

17、Detailed ReadingAfter ReadingSupplementary ReadingB R _ newsNewsNews 1In Feb.1997 News 2 In Apr.1998News 3 In Feb.2003Before ReadingGlobal ReadingDetailed ReadingAfter ReadingSupplementary ReadingB R _ news _ script 1 In February 1997 a group of geneticists(遗传学家遗传学家)led by Ian Wilmut at the Roslin I

18、nstitute in Edinburgh,Scotland,announced that they had cloned a sheep from the mammary gland tissue(乳腺组织乳腺组织)of a six-year-old ewe(母羊母羊),the first time scientists have been able to clone an adult mammal(哺乳动物哺乳动物).Before ReadingGlobal ReadingDetailed ReadingAfter ReadingSupplementary ReadingB R _ new

19、s _ script 2 Dolly,the first-ever mammal to be successfully cloned from an adult cell,with her first lamb,named Bonnie,is seen at the Roslin Institute in Edinburgh,Scotland in this image on April 23,1998.Dolly,who was naturally mated at the end of last year with a Welsh Mountain ram(公羊公羊),gave birth

20、 to Bonnie on April 13,proving that despite her unusual origins,she is able to breed normally and produce healthy offspring.Before ReadingGlobal ReadingDetailed ReadingAfter ReadingSupplementary ReadingB R _ news _ script 3 Dolly,the sheep,the first mammal to be successfully cloned from an adult cel

21、l,has been put down after she was found to have a lung disease,the Roslin Institute in Scotlands capitalEdinburgh said on Feb 17,2003.“She was suffering from an incurable disease,”said Dr.Harry Griffin,after Roslin released a statement saying the decision had been taken to put Dolly down after she c

22、ontracted(感染感染)progressive lung disease.Before ReadingGlobal ReadingDetailed ReadingAfter ReadingSupplementary ReadingB R _ DiscussionDiscussionWhat is your attitude towards clone?Clone is a member of a group of organisms or plants produced non-sexually from one ancestor.The suggested ethical and pr

23、actical arguments both for and against cloning：For:Against:Before ReadingGlobal ReadingDetailed ReadingAfter ReadingSupplementary ReadingB R _ Discussion _ for1.Technology is not well developed.It has a low fertility rate(出生率出生率).In cloning Dolly,277 eggs were used,30 started to divide,nine induced

24、pregnancy,and only one survived to term(临产临产).2.Clones may be treated as second-class citizens and the unknown psychosocial harm with impacts on the family and society.3.Loss of genetic variation.Before ReadingGlobal ReadingDetailed ReadingAfter ReadingSupplementary ReadingB R _ Discussion _ Against

25、1.Animals from endangered species could be cloned to prevent extinction.2.Cloning would be a good source for organ and bone marrow(骨髓骨髓)transplants.3.Sterile(不育的不育的)couples will be able to have offspring who will have either the mothers or fathers genetic pattern.Before ReadingGlobal ReadingDetailed

26、 ReadingAfter ReadingSupplementary ReadingAds DesigningUse attention-grabbing images and snappy(简洁简洁)yet informative language in your ads.You might find models of such images and language in other public service advertisements,such as (A few good examples can be found at and.)Decide for yourself whi

27、ch side of the issue to support and then plan a public service advertisement campaign for or against cloning.1.2.the ones that discourage people from smoking.B R _ Ads DesigningBefore ReadingGlobal ReadingDetailed ReadingAfter ReadingSupplementary ReadingB R _ Ads Designing _ picture 1smokingBefore

28、ReadingGlobal ReadingDetailed ReadingAfter ReadingSupplementary ReadingB R _ Brief Introduction to Stephen HawkingBrief Introduction to Stephen HawkingStephen Hawking(1942):British theoretical physicist and mathematician Before ReadingGlobal ReadingDetailed ReadingAfter ReadingSupplementary ReadingB

29、 R _ Chronology of Stephen Hawking 1Chronology of Stephen Hawking 1942 1958 1962 Born in Oxford,England.Entered and became especially interested in thermodynamics(热力学热力学),relativity theory,and quantum mechanics(量子力学量子力学).Received a bachelors degree in physics and then enrolled as a research student

30、in general relativity at the .Oxford University University of CambridgeBefore ReadingGlobal ReadingDetailed ReadingAfter ReadingSupplementary ReadingB R _ Chronology of Stephen Hawking 21966 Earned his Ph.D.degree at the University of Cambridge.Stayed at the University of Cambridge to do post-doctor

31、al research.Diagnosed as having Amyotrophic Lateral Sclerosis(ALS)(肌萎缩性脊髓侧索硬化肌萎缩性脊髓侧索硬化).“I am quite often asked:How do you feel about having ALS?The answer is,not a lot.I try to lead as normal a life as possible,and not think about my condition,or regret the things it prevents me from doing,which a

32、re not that many.”Before ReadingGlobal ReadingDetailed ReadingAfter ReadingSupplementary ReadingB R _ Chronology of Stephen Hawking 31977 1979 Became a professor of physics.Appointed Lucasian Professor of Mathematics at Cambridge,a post once held by Isaac Newton.This is a picture of Stephen Hawking,

33、“Isaac Newton”and“Albert Einstein”.Before ReadingGlobal ReadingDetailed ReadingAfter ReadingSupplementary ReadingB R _ Chronology of Stephen Hawking 41988 19931996 Published his famous book A Brief History of Time:From the Big Bang to Black Holes.Wrote Black Holes and Baby Universes and Other Essays

34、.Co-authored a book with Sir Roger Penrose titled The Nature of Space and Time.Before ReadingGlobal ReadingDetailed ReadingAfter ReadingSupplementary ReadingB R _ Oxford University _ pictureOxford University Chronology of Stephen Hawking Before ReadingGlobal ReadingDetailed ReadingAfter ReadingSuppl

35、ementary ReadingB R _ University of Cambridge_ pictureUniversity of CambridgeChronology of Stephen Hawking Before ReadingGlobal ReadingDetailed ReadingAfter ReadingSupplementary ReadingB R _ Main Achievements of Stephen Hawking 1Main Achievements of Stephen Hawking singularityA point in space-time a

36、t which the space-time curvature(曲率曲率)becomes infinite.Before ReadingGlobal ReadingDetailed ReadingAfter ReadingSupplementary Readingmisuse v.误用，错用误用，错用turn out 结果是结果是manner n.方式，风格方式，风格entropy n.熵，热力学概念。熵，热力学概念。fatal a.重大的，致命的重大的，致命的motivate v.激发激发irritation n.愤怒愤怒B R _ Main Achievements of Stephen

37、 Hawking 2black hole A region of space-time from which nothing,not even light,can escape.Nothing can escape because gravity is so strong.With the help of the following words and expressions,listen to a recording of more information on black hole.object n.物体物体emit v.放射，吐露放射，吐露the event horizon 事件视界，即

38、黑洞的边界事件视界，即黑洞的边界Before ReadingGlobal ReadingDetailed ReadingAfter ReadingSupplementary ReadingB R _ Main Achievements of Stephen Hawking 3A Brief History of TimeOne of his books to make his work accessible to the public.Before ReadingGlobal ReadingDetailed ReadingAfter ReadingSupplementary ReadingB

39、R _ Main Achievements of Stephen Hawking 4Medal of Freedom Before ReadingGlobal ReadingDetailed ReadingAfter ReadingSupplementary Reading By their very definition,black holes are objects which are not supposed to emit anything.It therefore seemed that the area of the event horizon of a black hole co

40、uld not be regarded as its entropy.In fact in 1972,I wrote a paper on this subject with Brandon Carter and an American colleague Jim Bardeen.We pointed out that,although there were many similarities between entropy and the area of the event horizon,there was this apparently fatal difficulty.I must a

41、dmit that in writing this paper I was motivated partly by irritation with Beckenstein,because I felt he had misused my discovery of the increase of the area of the event horizon.However,it turned out in the end that he was basically correct,though in a manner he had certainly not expected.B R _ blac

42、k hole _ scriptBefore ReadingGlobal ReadingDetailed ReadingAfter ReadingSupplementary ReadingB R _ Medal of Freedom _ script Persistent in his pursuit of knowledge,Stephen Hawking has unlocked new pathways of discovery and inspired people around the world.He has dedicated his life to exploring the f

43、undamental laws that govern the universe,and he has contributed to some of the greatest scientific discoveries of our time.His work has stirred the imagination of experts and lay persons alike.Living with a disability and possessing an uncommon ease of spirit,Stephen Hawkings attitude and achievemen

44、ts inspire hope,intellectual curiosity,and respect for the tremendous power of science.Before ReadingGlobal ReadingDetailed ReadingAfter ReadingSupplementary ReadingB R _ Monologue of Einstein 1Monologue of EinsteinAlbert Einstein(18791955)Before ReadingGlobal ReadingDetailed ReadingAfter ReadingSup

45、plementary ReadingB R _ Monologue of Einstein 2 I was born in Ulm,Germany in 1879.As you may know,1905 was a big year for me.Thats when I turned the world upside down,at least for scientists,with several new ideas.I proposed that space and time had to be looked at in a whole new way that Newtons vie

46、w of space and time was inaccurate.These ideas became known as the special theory of relativity and introduced the equation E=mc2.Ten years later I presented the general theory of relativity.The general theory showed that gravity is not a force,as Newton had thought.It is instead a curvature(曲曲率率)of

47、 the space-time continuum.Before ReadingGlobal ReadingDetailed ReadingAfter ReadingSupplementary ReadingB R _ Albert Einsteins Special Theory of Relativity 1Albert Einsteins Special Theory of Relativity1)Which of the following does not change according to Einstein?_A.TimeB.MassC.Speed of lightD.Leng

48、th Listen to the recording and choose the best answer.Before ReadingGlobal ReadingDetailed ReadingAfter ReadingSupplementary ReadingAlbert Einsteins Special Theory of Relativity1)Which of the following does not change according to Einstein?_B R _ Albert Einsteins Special Theory of Relativity 1AAA.Ti

49、meB.MassC.Speed of lightD.Length Before ReadingGlobal ReadingDetailed ReadingAfter ReadingSupplementary ReadingB R _ Albert Einsteins Special Theory of Relativity 1BAlbert Einsteins Special Theory of Relativity1)Which of the following does not change according to Einstein?_BA.TimeB.MassC.Speed of li

50、ghtD.Length Before ReadingGlobal ReadingDetailed ReadingAfter ReadingSupplementary ReadingB R _ Albert Einsteins Special Theory of Relativity 1CAlbert Einsteins Special Theory of Relativity1)Which of the following does not change according to Einstein?_CA.TimeB.MassC.Speed of lightD.Length Before Re