全新版大学英语第三册Unit4教案

1、Unit 4Was Einstein a space Alien?ObjectivesStudents will be able to:1. Grasp the main idea of Text A(Einstein was a child of his time)2. Appreciate the various techniques employed by the writer(using a question as the title of the text, illustrating his answer with various supporting facts, use if s

2、ubheadings, use of quotations , etc.)3. Master the key language points in Text A and learn how to use them in context;4. Understand the cultural background related to the content;1. Express themselves more freely on the theme2. Write an essay paying special attention to unity.Time AllotmentWe devote

3、 8 teaching periods (plus 2 periods after-class of students autonomous learning in the Self-Access Center) to cover Unit 5, which include:TimeWhat Is to Be DoneTasks / Activities2 periods1. Listening and Speaking Course in the SAC;2. Revision Exx. of Unit 3Ss autonomous learning with Units of Qinghu

4、a textbook III2 periods1. Ss presentation: Why is imagination so important in scientific work.2. Discussion leading to Text A in Unit 4.3. Ss understanding the main idea and the structure of the text;1. 3 Ss making prepared speeches;2. Ss discussion: name some scientists of great international prest

5、ige and then list some of their achievements.2 periods1. Ss mastery of the key language points and grammatical structures in the text;1. Presentation of the courseware of the text;2. Questions and Answers;3. Writing assignment;2 periods1. Ss presentation: Einstein in my eyes;2. Further learning of T

6、ext A and check Ss understanding of Text B; 3. Vocabulary extension;4. Developing Ss reading skill of detecting specific information/details by scanning 1. Ss making group presentation with ppt to show how they celebrate holidays;2.Ss working out word-association map3. Supplementary reading passages

7、 helping Ss develop scanning & skimming;2 periods2 after-class-periods of students autonomous learning in the Self-Access Center1. Review what has been learned in class with learning resources;2. Make up for what Ss believe as their weak points in the four skills;3. Reinforce Ss listening skills.Tex

8、t AWriting Three Thank-you LettersTony PhillipsCultural BackgroundAlbert Einstein (1879 1955) German-born American theoretical physicistHe was a German-born American theoretical physicist whose special and general theories of relativity revolutionized modern thought on the nature of space and time a

9、nd formed a theoretical base for the exploitation of atomic energy. He won a 1921 Nobel Prize for his explanation of the photoelectric (光电的) effect.Isaac Newton (1643 1727) English mathematician and scientist He was an English mathematician and scientist who invented differential calculus (微分学) and

10、formulated the theory of universal gravitation, a theory about the nature of light, and three laws of motion. His treatise on gravitation was supposedly inspired by the sight of a falling apple.Classroom activities:1.What words will occur to you whenever the name “Albert Einstein” is mentioned? Writ

11、e down as many words and phrases as possible.knowledgeable imaginative scientist superthinker Nobel Prize winner creative stubborn humorous law of the photoelectric effect E=mc Theory of Relativity slow starter physicist theoristPart Division of the Text1-3: A young husband and father, Albert Einste

12、in had to work hard to support his family. 4-12: Einstein made astonishing achievements in physics and thus revolutionized the field.13-21: Einsteins discoveries were attributable to his imagination, questioning, disregard for authority, powers of concentration, and interest in science.22-23: Einste

13、in was not a space alien.Difficult sentenses1. His hair was a mess; he had forgotten to comb it again.What do the words “mess” and “again” suggest about Einstein?These words suggest two things about Einstein:1) Einstein paid little attention to his appearance.2) It was more a regular practice than a

14、n accident for Einstein to go to work with messy hair. Translate the sentence into Chinese.他的头发凌乱，他又忘了梳头了。2. Albert felt all the pressure and responsibility of any young husband and father.What does “all the pressure and responsibility” refer to?It refers to the pressure from work, the family respon

15、sibilities and the necessity to harmonize strained relationships among family members.What do you think is the authors purpose of writing the sentence?The author intends to use the sentence as an evidence to show that Einstein was not a space alien but a man of his time since the problems that troub

16、led “any young husband and father” also troubled Einstein.3. Oh, and by the way, E=mc.How do you understand the use of the phrase “by the way” in the sentence?Originally “by the way” is used to introduce a comment or question that is only indirectly related to the main subject of conversation; here

17、it is used to achieve the rhetorical effects of humor, hence shouldnt be taken literally.4. What do you know about “E=mc”?Einstein was the first scientist to propose the E = mc2 formula in which E is energy, m is mass, and c is the speed of light in a vacuum. This equation indicates that energy alwa

18、ys exhibits mass in whatever form the energy takes.5. With nothing better to do, he developed his Theory of Universal Gravitation.What can we learn about the authors tone from the part “With nothing better to do”?The part is another vivid proof of the authors humorous tone. In fact, its by no means

19、a piece of cake for Isaac Newton to develop the Theory of Universal Gravitation.What do you know about the “Theory of Universal Gravitation”?It is an empirical physical law developed by Isaac Newton describing the gravitational attraction between bodies with mass.6. All of his 1905 papers unraveled

20、problems being worked on, with mixed success, by other scientists.All of Einsteins 1905 papers solved problems that other scientists had been working on and making some progress.他所有发表于1905年的那些论文解决了当时其他科学家正多多少少在解决的问题。7. Whats remarkable about 1905 is that a single person authored all five papers, plu

21、s the original, irreverent way Einstein came to his conclusions.What can we learn about the authors attitude towards Einsteins achievements from the sentence?We can learn that the author is overwhelmed by the fact that Einstein authored all five papers in one year and thrilled by the way Einstein ca

22、me to his conclusions.8. How does the author convey this attitude? The author conveys this attitude mainly through the diction. Two words “remarkable” and “original” are used complimentarily to show the authors appreciation of and respect for Einstein.9. This character flaw was to be a key ingredien

23、t in Einsteins discoveries.What does “this character flaw” refer to?It refers to Einsteins defiance of authority and his character traits of always doubting and questioning.这种个性缺陷成为日后爱因斯坦作出种种发现的主要因素。10. That didnt slow him down.What does “that” refer to?“That” refers to Einsteins failure to understa

24、nd lights duality.What does the sentence suggest about Einsteins personality?The sentence suggests that Einstein tends to be stimulated rather than frustrated in face of failure, the personality of which contributed to Einsteins achievements to a certain degree.11. Disdaining caution, Einstein adopt

25、ed the intuitive leap as a basic tool.Although Einstein felt bewildered by the bizarre duality of light, he believed in his intuition and conducted scientific researches instead of being too cautious to take any actions.爱因斯坦不屑谨小慎微，他采用直觉跳跃思维作为基本工具。12. Einstein credited his discoveries to imagination

26、and endless questioning more so than orthodox intelligence.What can you infer about Einsteins attitude towards success from the sentence?We can infer that in Einsteins opinion, imagination and the ability to question play a far more important role than intelligence in a persons way to success.13. La

27、ter in life, it should be remembered, he struggled mightily to produce a unified field theory, combining gravity with other forces of nature.What do the words “struggled” and “mightily” suggest about Einstein?The words suggest two things about Einstein:1) Einstein was a hardworking man who made ever

28、y effort to pursue his dreams.2) It was no easy task for Einstein to produce the unified field theory.What is the unified field theory, according to the sentence?It is a theory that might combine gravity with other forces of nature.14. Neither was Einsteins brain. Analyze the grammatical structure o

29、f the sentence.The sentence is in the inverted order, the predicate “was” being placed before the subject “Einsteins brain”.What is the function of the sentence in the text?The sentence serves as a transitional sentence, helping the author shift from discussion on Einsteins brainpower to discussion

30、on the structure of Einsteins brain, thus achieving coherence of the text.Language Points:1. in a row: happening a number of times, one after another Bill Gates lost $6 billion last year, but that didnt stop him from being the richest man in the world for the 8th year in a row. 这是接连着第三个星期天下雨了。This i

31、s the third Sunday in a row that rains.2. doze off: fall into a light sleepBefore I had time to doze off again, I was disturbed by a rattling of plates and dishes in the servants hall.That proved to be my undoing, for I soon got back to my old bad habit of dozing off in front of the screen.有些学生常在课堂上

32、打瞌睡。Some students often doze off in class.2. frail: adj. weak Mrs. Warner is already 96 and too frail to live by herself. 自从他病愈之后，就一直很虚弱，但他却有惊人的耐力。Ever since his recovery he has been very frail, yet capable of surprising endurance.3. strain: vt. 1) make a situation or relationship more difficultRela

33、tions between Tokyo and Washington were further strained by the monetary crisis involving the December 1971 revaluation of the Japanese yen.该事件使得两国关系趋于紧张。The incident has strained relations between the two countries.2) stretch tightly by pullingThey strained the wire between two posts.负载过重会把绳子拉紧到崩断的

34、地步。Too heavy a load will strain the rope to its breaking point. 4. make ends meet: balance ones income and expenditure It may be difficult at times to make ends meet on your small income.It was very difficult for Arthur to make ends meet when his factory was put on a three-day week during the recess

35、ion.他们失了业，还要养活两个小孩，无法维持起码的生活。Being out of work and having two young children, they found it impossible to make ends meet.5. stretch: 1. vt.1) make sth. longer, wider or tighter by pullingWhere can I buy those things that stretch your shoes?A spiders web can be stretched considerably without weakenin

36、g.你如果拉橡皮带，它就会伸长。If you stretch a piece of elastic, it becomes much longer.2) extend or thrust out (a limb or part of the body) and tighten the musclesShe went out to stretch her legs after lunch.应付抽筋最有效的方法就是轻柔缓和地去伸展肌肉抽筋的部位。The most effective treatment for muscle cramps is to gently stretch the cramp

37、ed muscle.2. vi. spread out over an area or a period of time; extendThe ocean stretched as far as they could see on all sides.The road stretched out across the desert into the distance.6. twist: vt.1) turn round; revolveTwist the handle to the right and the box will open.我扭过头去把汽车向后倒。I twisted my hea

38、d round to reverse the car.2) deliberately give a false meaning to words, etc.The police tried to twist the mans statement into an admission of guilt.报纸把我的话全都歪曲了。The papers twisted everything I said.7. outbreak: n. the sudden or violent start of sth. unwelcome, such as disease由于战争爆发，这个研究计划搁浅了。The re

39、search project fetched up because of the outbreak of the war.8. alien: 1. n. anyone who does not belong in the environment in which they are foundImmigrant workers were classed as resident aliens. 背井离乡这么久，现在在他自己的国家，他觉得自己像个外人。After being away for so long, he feels like an alien in his own country now

40、.2. adj. 1) very different from what you are used to, especially in a way that is difficult to understand or accept残忍完全不合他的本性。Cruelty is quite alien to his nature.2) being or from or characteristic of another place or part of the worldAfter the alien spacecraft had hovered over the park for a short

41、time, it vanished.我在异国他乡遇到故知。I ran into an old friend in the alien land. alien, foreign & extrinsic 这三个形容词均有“外来的”之意alien 表示无关联的、外来的，不能成为事物固有的组 成部分，常带有厌恶之意，至少有不可兼容、不 可调和之意。foreign 是正式用法，表示在本国以外的，涉及到国外的。 还表示因没有共同特性、关联而与其他事物有所 不同的，不相干的。extrinsic 表示明显在某物之外的，或从其他事物中得来的。9. remarkable: adj.1) strikingHe sh

42、owed remarkable courage when he faced the danger.他生病的整个阶段都表现出非凡的忍耐力。He showed remarkable endurance throughout his illness.2) worthy of attentionThe social changes which occurred in China are remarkable.唐朝是一段以开明著称的时期。The Tang Dynasty is a period remarkable for its liberality.remarkable, noticeable, o

43、utstanding & conspicuous这四个形容词均含有“突出的、值得注意的”之意。remarkable 指所描写的事物或特征因与众不同或非同寻 常而显得突出，含有需要大家评论、注意或 关注的意味。noticeable 指某事物或某特征太明显而不可避免地引起 人们的注意，可作定语或表语。outstanding 为普通用词，指人或物在同类比较中显得出 类拔萃或具有显著的特征。conspicuous 指某事物或某特征太显眼太突出而刺激感官 或头脑并立即为感官或头脑所感觉到。10. original: adj. 1) being or productive of something fre

44、sh and unusual; being as first made or thought of I dont think George is capable of having original ideas!评论家们称赞该作品独树一帜。Critics praised the work as highly original.2) preceding all others in time or being as first made or performedHis original enthusiasm has turned sour.He excluded certain passages

45、from the original book in the new edition.房子原先的主人搬出去了。The original owner of the house moved out.11. loose: adj. not firmly fastened in placeI tied the boat to the tree but it has come loose. 他的裤子太短，外套和背心又太肥大。His trousers were too short and his coat and vest too loose.12. slack 指绳子、线等没有拉紧或绷紧而显得松弛下垂。还

46、 可指人疏忽职守、懈怠或无力气。例如： The workmen have been very slack in their work recently.工人们最近工作一直很懈怠。13. unify: vt. bring togetherHis music unifies traditional and modern themes.我们决意将这两岛联合起来创立一个国家。Its our firm determination to unify the two islands into one country.14. beyond any doubt: allowing no uncertaintyT

47、he authenticity of the manuscript is beyond any doubt.The prosecution must prove beyond any doubt that the accused is guilty of the crime.她使我深信，保罗确实是清白无辜的。She convinced me that Paul was, beyond any doubt, innocent.15.not give a fig for: not be at all concerned about or interested in sth. or sb.He di

48、dnt give a fig for his mistake.对邻居们的闲言碎语她丝毫不放在心上。She wouldnt give a fig for her neighbors gossip.16. undermine: vt. gradually or insidiously make sb. or sth. less strong or effective足球教练的主要竞争对手在散布谣言以逐渐破坏他的威信。The football coachs major opponent is spreading rumors to undermine his authority. 17. predict: vt. tell in advanceIt is virtually impossible to predict the future accurately.预言这次对话可能有什么结果，现在还为时过早。Its yet premature to predict the possible outcome of the dialog