实用英语 大学英语三教案unit 8.docx

1、实用英语 大学英语三教案unit 8Unit Eight Mysteries of the Universe. Teaching Aims1. Language Learning: to have a good command of pronunciation andpractical use of new words and phrases.2. Ability Training: to master the translation skill denotation and connotation, logic link translation III.3. Morality Develop

2、ment: to learn about top 8 mysteries of the universe and develop the students curiosity of the universe. Key Points1. Explain the important new words and phrases in the text.2. The main idea and structure of the text. Difficult Points1. Understand the meaning of difficult sentences.2. Enable student

3、s to master the writing skill. Teaching Methods and Aids1. presentation, task-based approach, situational teaching, discussion, group study, role-play.2. audio-visual material. Teaching Procedures and Time AllotmentPeriods 12: Discuss warm-up questions, go through Passage A, do comprehension exercis

4、es of the text.Periods 34: Detailed study of Passage A and do language-related tasks.Periods 56: Finish Passage A and all exercises.Periods 78: Listening ComprehensionThe First Two Periods. Teaching Aims1. Be acquainted with all the new words and phrases.2. Go through the text and grasp the main ide

5、a and background information of the text. Key Points1. All the new words and phrases (P179-180).2. The main idea and structure of the text. Difficult PointsWhat is top 8 mysteries of the universe. Teaching Methodspresentation, task-based approach, discussion, group study, role-play. Teaching Procedu

6、res1. Discuss some warm-up questions about the text:1) Do you agree that the universe is a mystery? Why or why not?2) Can you list some words to describe the universe?3) Discuss the picture on page 177.Reference: Stephen Hawking is an internationally renowned mathematician, theoretical physicist. In

7、 1942 he was born in England. When he was in college, began suffering from “spinal muscular atrophy lateral sclerosis”. Later, he was almost entirely paralyzed. In 1985, the loss of language skills, the only tool to express ideas is a computer voice synthesizer. He can only control the activities of

8、 several fingers of a special mouse to select letters on the computer screen, words to sentences, and then play the sound through the computer, usually 5-6 minutes to create a sentence, to a one-hour recording speech synthesis to prepare 10 days. In 1988 he wrote A Brief History of Time: from the Bi

9、g Bang to Black Holes. 2. Allow students 10 minutes to go over the text and obtain a global understanding of the text. Then discuss the main idea and structure of the text.Structure of the text:Passage A covers eight paragraphs. The design of the text is one item in one paragraph with the key words

10、as the subtitle. The moment you read the key words you know what the paragraph is about. The 8 Subtitles of the Text:Para. 1. Extraterrestrial IntelligencePara. 2. The Tunguska ExplosionPara. 3. Rare AntimatterPara. 4. ConsciousnessPara. 5. Dark Matter / Dark EnergyPara. 6. TimePara. 7. The Beginnin

11、g of the UniversePara. 8. End of the Universe3. Discussing some background information of the text.1) Carl Edward SaganCarl Edward Sagan (19341996) is an American astronomer. He is world-famous for writing popular science books and for co-writing and presenting the award-winning 1980 television seri

12、es Cosmos: A Personal Voyage, which has been seen by more than 600 million people in over 60 countries, making it the most widely watched PBS program in history. 2) The Tunguska ExplosionIt happened on the last day of June 1908. At that precise moment, an object brighter than the morning sun ripped

13、through the atmosphere over Siberia. A trainload of passengers on the trans-Siberian railway stared in horror at the towering pillar of flame roared through the clear blue skies. The sonic boom shook the railway track, convincing the engine driver that one of his coaches had been derailed.3) UFOUnid

14、entified Flying Object (commonly abbreviated as UFO) is the popular term for any apparent aerial phenomenon whose cause cannot be easily or immediately identified by the observer. Today the term UFO is colloquially used to refer to any unidentifiable sighting regardless of whether it has been invest

15、igated. 5. Finish doing comprehension exercises on page 182.6. Read and discuss the new words and phrases of this passage.Assignments: 1. Recite the new words and phrases.2. Prepare Passage A The Second Two Periods.Teaching Aims1. Undertake a detailed learning of the new words and phrases.2. Study t

16、he text in detail. Key Points: Important words, phrases and sentences. Difficult PointsTry to understand some difficult sentences:1. . no matter how rare intelligence is in the universe, how huge the universe is , we must have many neighbors out there somewhere. 2. Current models of the universe, an

17、d observations made by high-tech instruments, point to there being an enormous amount of matter in the universe beyond what we can actually see. . Teaching Methods presentation, task-based approach, situational teaching, discussion, group study. Teaching Procedures1. Review the new words and phrases

18、.2. Study passage A in detail and deal with the language points 1). The pursuit has given rise first to religion, then to philosophy, then to people who make fun of religion and philosophy . (Introduction)pursuit n. the act of pursuing in an effort to overtake or capturee.g.Ironically, the pursuit o

19、f materialistic goals usually hinders the pursuit of happiness.具有讽刺意味的是，以追求物质生活为目标往往会阻碍我们对幸福的追求。first to , then to, then to This pattern can be used to describe a series of actions occurred one after another.e.g.Fleeing Germany, Einstein went first to France, then to Belgium, and then to Britain.爱因斯

20、坦逃离德国以后，先是到了法国，然后到了比利时，最后到了英国。Translation:你首先得激发孩子的学习兴趣, 然后再去教他们。You have first got to motivate children and then teach them.此后彼得两次易名；开始改为路易斯，后来，改为汤姆。 Since then Peter has changed his name twice, first to Luis and then to Tom. 2). . Appreciate the fact that its so complex that it fascinates us. (Int

21、roduction). the fact that . It is to introduce a clause.e.g.His accent betrayed the fact that he was foreign.他的口音显露出他是外国人。He revealed the fact that he had been a spy.他透露了他曾为间谍的事实。. so . that . This pattern is used to stress the cause and the result.e.g.His pronunciation was so bad and his voice was

22、so low that his speech was double Dutch to me.他发的声音太差，声音又小，因此他的演说我根本听不懂。3). Extraterrestrial Intelligence （Para. 1） extraterrestrial n./ a. a form of life assumed to exist outside the Earth or its atmosphere 外星人; 外星太空生物; 地球(大气圈)外的; 行星际的; 宇宙的收藏的价值在于购买或者拥有一件体现收藏家们爱好的特殊物品.e.g.This is not an extraterres

23、trial. Translation:外星人会觉得，我们都在讲一种语言中的不同方言。An extraterrestrial would say we all speak dialects of one common language. 4). no matter how rare intelligence is in the universe, how huge the universe is, we must have many neighbors out there somewhere. (Para. 1) Paraphrase: no matter how rare intelligen

24、ce is in the universe, how huge the universe is, we must have quite a lot of intelligent beings as our neighbors on planets like our earth in space.no matter how howIn order to avoid repetition, the second “no matter” before the second “how” has been omitted.e.g.No matter how hard it is, how long it

25、 will take, I must learn how to do it. Translation:无论天气多热，路有多难，他都会去那里的。No matter how hot it is, how hard the road is, he will go there.5). Frank Drake, an astrophysicist, created an equation that helps figure out (Para. 1)figure out: to find the solution to (a problem or question) or understand the

26、meaning ofe.g.Can you figure out this puzzle?Translation:你能想出解决问题的好办法吗？Can you figure out a good idea to solve this problem?6). and estimated that if only one in a billion planets has intelligent life, then (Para. 1)estimate vt. to form an approximate idea of (distance, size, cost, etc); calculate r

27、oughlye.g.I estimate his age at thirty-five.Translation:据估计，这座桥梁今年年底可以完工。It is estimated that the bridge could have been finished by the end of this year.if only: to express a wish or desire要是多好。e.g.If only she would come!Translation:要是你早些时候告诉我就好了。If only you had told me that some time ago.7). What

28、is it about Earth that makes no one in the universe want to play with us? (Para.1) Paraphrase:What is wrong with the earth? Why do human beings on the earth not get any intelligent beings in space to communicate with? to make somebody do something 使某人做某事The sentence pattern is “make + sb. + do sth.”

29、e.g.The boy made the baby laugh by making a face at him.Translation:无论什么事都不能使我改变主意。Nothing will make me change my mind. to play (with/sb./sth.) 玩耍；游戏e.g. The kid was playing with his ballTranslation:玛丽的妹妹正和伙伴们在屋子附近玩。Marys sister was playing with her friends near the house. 8). Locals many miles away

30、 saw something bright blue streak toward the area and explode with incredible force. (Para. 2) Paraphrase: The local people saw a sudden bright flash move very quickly in a direction towards an area and heard a very loud explosion. The word “locals” is used as a noun to represent the local people. T

31、here are some words that can be used in this way, like the rich, the poor, etc.streak vi. n. 1) to move quickly in a straight line 2) a sudden flash (a streak of lightning)e.g. The plane streaked across the sky.Translation:有只狗在后面，这只猫飞快地越过马路。The cat streaked across the road with a dog behind it.9). Matter and antimatter are, in theory, created at the same time by thesame event. (Para. 3)antimatter n. matter consisting of elementary particles that are the antiparticles of those making up normal mattere.g.Why does television create antimatter?Matter and antimatter are perfe