第一册第三课UnitThreeUnderstanding.doc

教 案课程名称：College English授课教师Huangliping授课对象Freshman 2003授课时间Six Periods授课题目Unit Three Understanding Science课 型Integrated course使用教具Tape Recorder教学目的1. To train the students step by step to get familiar with the new teaching mode on college campus.2. To help students to develop the five language basic skills, 3. To foster communicative efficiency in both spoken and written modes, 4. To cultivate the ability to study independently.教学重点和难点1. understand the main idea (to ensure the survival of human civilization, measures must be taken to help the public understand science) and structure of the text (introducing a topic, developing the topic with supporting details, supplying a conclusion);2. appreciate the style difference between narrative writing and expository writing; 3. grasp the key language points and grammatical structures in the text;4. conduct a series of reading, listening, speaking, and writing activities centered upon the theme of the unit.参考教材College English Teachers Book； New College English； Survey of Britain and America教学内容时间分配及备注Pre-reading tasks1. T asks one or two Ss the following question to check if they have listened to the tape recording on Stephen Hawking:- What makes Hawkings achievement so remarkable?2. The 20th century witnesses the rapid progress in science and technology. More and more invention have been made and people have access to a great variety of things which make our life so colorful and comfortable and enjoyable, so many wonderful things that our ancestors couldnt even dream of. T asks Ss to write down on a sheet of paper some of the scientific and technological discoveries that have changed or will change the way people live. When they finish, T may invite some of them to read out to the class. T writes down some discoveries on the blackboard.3. Pointing at the discoveries noted down on the blackboard, T asks Ss to work in group and discuss the following questions:- In what ways do these discoveries change our lives for the better? - In what ways do these discoveries change our lives for the worse?First periodPre-reading tasksWhile-reading tasks- How do you feel about the life in the modern world? - Would you rather have lived in any of the less scientific ages that proceeded ours? Would you rather live in the future or are you happy to be living now?4. T concludes by saying: The same scientific and technological discovery can bring us good things and bad things. According to Stephen Hawking, author of this text, its up to us to make changes head towards changing our lives for the better.While-reading tasks1. Understanding text structure1) T explains that this text would be the first piece of expository writing Ss encounter in Book One. Exposition is the process of making a statement and then supporting it with evidence. Then, T draws Ss attention to Text Organization Exercise 1, where this text is divided into three parts and the last paragraph is identified as the conclusion.2) T explains that in expository writing, the structure of a paragraph is usually similar to that of the text, i.e., the topic sentences are presented in the first or second sentences of a paragraph, followed by supporting details. T then asks Ss to glance quickly over the first and second sentences of the first four paragraphs, and answer the following questions- Where is it best to divided Part 1 from Part 2?- Where in Part 1 does Hawking present his view? - Where does Hawking raise a question about how to give the public a basic understanding of science?2. Language StudyT explains the language points in Part 1 and give Ss practice.1) likely: probable ( when functioning as an a., the word is often used in the following patterns: it is likely that, be likely to do sth.Example: It is likely that my roommate will win the first-class scholarship. probably ( when used as an ad., the word is often preceded by “most”, “more than”, or “very”. You dont use it as an ad. on its own. Example: We will most likely stay home during the Spring Festival. 2) do without: manage to survive, continue, or succeed although you do not have sth. you need, want, or usu. have 3) put/ turn the clock back: return to a situation that used to exist, usually because the present situation is unpleasant Example: The employment bill in which women are notallowed to take jobs will put the clock back fifty years. Second period Language Study教 案课程名称：College English授课教师Huangliping授课对象Freshman 2003授课时间Six Periods授课题目Unit Three Understanding Science课 型Integrated course使用教具Tape Recorder教学目的1. To train the students step by step to get familiar with the new teaching mode on college campus.2. To help students to develop the five language basic skills, 3. To foster communicative efficiency in both spoken and written modes, 4. To cultivate the ability to study independently.教学重点和难点1. understand the main idea (to ensure the survival of human civilization, measures must be taken to help the public understand science) and structure of the text (introducing a topic, developing the topic with supporting details, supplying a conclusion);2. appreciate the style difference between narrative writing and expository writing; 3. grasp the key language points and grammatical structures in the text;4. conduct a series of reading, listening, speaking, and writing activities centered upon the theme of the unit.参考教材College English Teachers Book； New College English； Survey of Britain and America教学内容时间分配及备注4) cut off: stop providing (sth.) Example: Their phone has been cut of f because they havent paid the bill.5) bring about: make (sth.) happen Example: Jealousy in a relationship is often brought about by a lack of trust.6) inquire: seek information by questioning; ask ( also spelled “enquire”; sometimes followed by about or wh-clause) Example: I rang up to inquire about train times. He asked for his key and inquired whether there hadbeen any messages for him.7) and human initiative and inventiveness are such that even this wouldnt succeed.: As human initiative and inventiveness do exist, even this way to suppress anything new worldwide would fail initiative: the ability to make decisions and take action without waiting for sb. to tell you what to do Example: The workers are able to solve the problems on their own initiative.Third periodWhile-reading tasks Used in the phrase “take the initiative” : be the firs person to take action to improve a situation or relationship, esp. when other people are waiting for sb. else to do sth.Example: Why dont you take the initiative and arrange a meeting?8) slow down: become slower, or make sb. or sth slowerExample: There is no cure for the disease, although drugs can slow down its rate of development.9) informed: tell (used in the patterns: inform sb. of/about sth., inform sb. + that-clause, inform sb. it is a fairly formal word. In conversation you usually use tell. Example: They informed us of their arrival at Pudong Airport. Have you informed the police that theres been an accident? “I just added a little soy sauce,” he informed us.10) It is also an important element behind support for the Green parties.: The publics distrust of science is also an important factor leading to support for the political parties whose main concern is to protect the environment.11) audience: a group of people who watch and listen to sb. speaking or performing in public (used as a collective countable noun) Example: The audience began clapping and cheering as soon as the film star appeared on the stage. the people who read a writers books (sued as a collective countable noun, usu. singular) Example: His book reached an even wider audience when it was filmed for television.12) basis: (pl. bases) the facts or ideas from which sth. can be developed; foundation(usu. used as singular noun, followed by for or of Example: The research will form the basis of a book.The circumstance that provides a reason for some action or opinion (usu. followed by of or that-clause Example: Students are able, on the basis of experience, to choose which subjects to specialize in.13) But in schools science is often presented in dry and uninterestingmanner.: But in schools science is often taught in a dull and uninteresting way.14) in terms of: as regards (sth.); expressed as (sth.) Example: In terms of customer satisfaction, the policy cant be criticized Fourth periodWhile-reading tasks教 案课程名称：College English授课教师Huangliping授课对象Freshman 2003授课时间Six Periods授课题目Unit Three Understanding Science课 型Integrated course使用教具Tape Recorder教学目的1. To train the students step by step to get familiar with the new teaching mode on college campus.2. To help students to develop the five language basic skills, 3. To foster communicative efficiency in both spoken and written modes, 4. To cultivate the ability to study independently.教学重点和难点1. understand the main idea (to ensure the survival of human civilization, measures must be taken to help the public understand science) and structure of the text (introducing a topic, developing the topic with supporting details, supplying a conclusion);2. appreciate the style difference between narrative writing and expository writing; 3. grasp the key language points and grammatical structures in the text;4. conduct a series of reading, listening, speaking, and writing activities centered upon the theme of the unit.参考教材College English Teachers Book； New College English； Survey of Britain and America教学内容时间分配及备注15) accurate: exact Example: On the whole the program provided and accurate picture of the effect of AIDS.16) Maybe I would have sold twice as many copies without it.: If my popular book had not included Einsteins equation, maybe I would have sold twice as many copies.17) precise: exact Example: The precise location of the air crash was established yesterday.18) sufficient: as much as is needed, enough (often followed by for or to + infinitive) Example: There was not sufficient evidence to prove that he was guilty. There is sufficient food for everyone.19) convey: make (ideas, feelings, etc.) known to another Example: Words cannot convey how delighted I am that youll come and spend the weekend with us.20) put across: cause to be understood Example: Good teachers are the ones who are able to put things across well.Fifth periodText AnalysisPost-reading tasks21) proportion: a part of a group or an amount (usu. singular) Example: A large proportion of the citys population is aged over 50. The relationship between the amounts, numbers, or sizes of different things that go together to form a whole ( usu. singular) Example: The proportion of men to women in the medical profession has changed in recent years.22) fit into: be part of a situation, system, or plan Example: The new college courses fit into a national education plan.23) entertain: give pleasure to Example: Childrens television programs not only entertain but also teach.have as a guest Example: My husband is in the kitchen; we are entertaining the Smiths this evening.24) hence the sick joke that : therefore the sick joke spreads that sick joke: sick joke deal with death and suffering in a cruel and unpleasant way hence: as a result , therefore ( a formal use, followed by a clause/noun group/a./ad./prepositional phrase) Example: Hes an extremely private person; hence his reluctance to give interviews. The trade imbalance is likely to rise again in the 2000s.Hence a new set of policy action will be required soon.from this time Example: The annual conference of APEC will be held in Shanghai seven months hence.25) contact: get in touch with Example: I will contact the Tourist Information Bureau for further details.Text Analys