人教版高二英语Unit 11 Scientific achievements 教学设计.doc

Unit 11 Scientific achievements 教学设计课 题SEFCB2Unit 11 Scientific achievements课 时6-1 Grammar主备人授 课 日 期2008教 学 目 标1. Target language目标语言: Learn the Grammar- Word formation (I)2. Ability goals能力目标: Study the ways of forming a word and enlarge students vocabulary.3. Learning ability goals学能目标：Enable students to use context clues and what they know about word parts to guess the meaning of new words.教学重、难点The ways of forming a word.How to guess the meaning of a new word.教、 学 具1.a projector 2. a computer预 习 要 求Recite the new words教 师 活 动 内 容、方 式学 生 活 动 内 容、方 式旁 注Step I Lead inT: Good morning afternoon, class!Ss: Good morning afternoon ,M r/MsT: In this class, we are going to start Unit 11 Scientific achievements .Now pay attention to the two words. Will you please tell me how the two words are formed?T: Observe them carefully; can you explain how they are formed?T: Excellent ! That is how the two words are formed. The basic part of any word is the root; to it, you can add a prefix at the beginning and/or a suffix at the end to change the meaning. For example, in the word unflattering, the root is simply flatter, while the prefix un- makes the word negative, and the suffix -ing changes it from a verb into an adjective (specifically, a participle).This is the grammar we are going to learn in this class.(Show Word Formation on the powerpoint.)Step II GrammarAsk students to observe the given words carefully and find out how words are formed.T: How do learners improve their vocabulary? There are no super shortcuts to vocabulary, but there are various forms of support. Here is one example. Increasing your vocabulary is so important that you just cant forget about it. Dont bury your head in the sand. OK. Please look at the following words and tell how they are formed. (Show the following words on the PowerPoint.) affix infix prefix suffix Teacher explains the following.T: What do these words (nouns) have in common? Ss: All of them contain the root “fix”.T: Well, they do have a number of things in common. Lets settle for the most obvious, the fix at the end. So if we split them, this is what we get af + fix in + fix pre + fix suf + fix (These will be shown on the PowerPoint)S1“Scientific”is the adjective form of” Science”.S2:“Achievement “ is the noun form of “achieve”.S3:” Science” is a noun, if we add fic to it, then we get its adjective.S4: “achieve” is a verb. If we add ment to it, we get its noun.Here are some of the most common Latin prefixes (for the meanings of the Latin roots, look up the words in a good dictionary): (Show the following on the PowerPoint.)ab (away) abstain, absent, absolve ad (to) adverb, advertisement, advance, adjoin in /il-/im-/ir-(not) incapable, indecisive, intolerable , illegal, impossible, irrugularinter (between, among) international, interaction interdependent, interprovincial pre (before) prerecorded, preface prefer post (after) postpone, postscript, postwar sub (under, not quite) subsoil, subscription, suspect ,subway, subnormaltrans (across, to a changed state) transfer, transit, translate, transport ,transformT: What does fix mean?Ss: Fix means attach to, fasten, stick, glue.T: What about af , in , pre , suf ? in and pre are understandable, arent they ?in a room, in a sentence, in a word. pre means before like in pre-war, pre-school, premature. So what do infix and prefix actually mean? infix - to attach something inside (a word).prefix - to attach something at the beginning of (a word)What about af and suf?Thats a bit more difficult to explain. af is actually from the beginning the Latin word ad, and the meaning is the same as the English word add. Add 4 and 5 and you get 9.suf is the Latin word sub, like in submarine, subway, suburb. The meaning is under, after (outside).Why have the d in ad and the b in sub changed into f?The reason is really quite simple. adfix and subfix are difficult to pronounce. There is economy in everything! You simply leave out the d and the b, but in order to mark their existence the words are spelt with an extra f .So what do affix and suffix actually mean?Ss: affix - to attach something to (a word)suffix -to attach something at the end of (a word)T: We have now fixed the fixes, havent we? affix - something you add (stick) to a word There are three kinds of affixes:added inside the word - infixadded at the beginning of the word - prefixadded at the end of the word suffixSs: Whats this good for then?T: Well, there are thousands of words with prefixes and suffixes. The infixes are fewer and less useful to you. The English vocabulary basically consists of words of Latin and Germanic origin. There are prefixes in both groups.If you know the basic meaning of a prefix or a suffix you can often guess the meaning of an English word. There are a limited number of Latin prefixes and suffixes. If you learn the meaning of them, and learn to recognize them in English words, you will increase your vocabulary much fasterStep III PracticeT: Are you ready for some exercises? Open your books and look at Page6. Lets do the exercises. Lets do Exercise 1 first .How are these words formed? (Or show the following words on the PowerPoint).Step IV WorkbookStep V WORD FORMATION EXERCISES(If there isnt enough time, please print it out and give the handouts to students as homework)T: Im very glad youve done the exercises quite well. Would you like to try some difficult ones?Now look at the following exercises. You are given 8 minutes. Then we will check the answers together. If you have any difficulty, you may work with your partner or refer to a dictionary. ( Show the following exercises on the powerpoint.)Use the word at the end of each gap to form a new word with which to fill the gap. While doing this exercise, look for clues which tell you what kind of word is missing (adjective, noun, verb, adverb). Make sure to take into consideration forms using various prefixes and suffixes, as well as negative ernational= inter-+national telephone= tele-+phone mankind=man+kind broadband= broad+bandextremely=extreme+-ly manned= man+ -edhi-tech= high+technology email= electronic mailIT= information technology CSA= Chinese Space AgencyS1:I think international and telephone are formed in the same way. We add prefix inter- to national and tele- to phone.T: Good! What about the others?S2: Mankind and broadband are formed in the same way. Each is made up of two words. S3:Extremely and manned are formed by adding a suffix.S4:Hi-tech is the shortened form of high technology and e-mail is the shortened form of electronic mail.S5: IT stands for information technology. We use the first letters of the two words to form a new one .We use the first letters of Chinese Space Agency to form the word CSA.T；Well done .So we know that words are formed in these ways. When you come across a new word, you can easily guess the meaning. Ok ,lets come to Exercise2.Deal with the rest of exercises in the same way. 课 题SEFCB2Unit 11 Scientific achievements课 时6-2 Warming up & Speaking主备人授 课 日 期 教 学 目 标1. Target Language: a. 重点词汇和短语solar energy, breakthrough, organb. 交际用语Practise expressing intentions and wishes. If I got the money, I would My plan is to. I hope that.I want/ wish/hope/intend/plan to Id like to Im thinking of2. Ability goals: Enable students to talk about scientific achievements. Help them learn to express intentions and wishes.3. Learning ability goals：Talk about great scientific achievements that have changed the world. Practise expressing intentions and wishes by talking about which scientific project is the most important .教学重、难点Teaching important points :Talk about great scientific achievements. Learn the patterns used to express intentions and wishes.Teaching difficult points :How to express intentions and wishes.教、 学 具a tape recorder, a projector and a computer预 习 要 求Recite the new words教 师 活 动 内 容、方 式学 生 活 动 内 容、方 式旁注Step I RevisionCheck the homework. Check the answers on the workbook with the whole class.Ask some students to name some great achievements.Step II Warming upShow the photos of some great scientific achievements that have changed the world on the PowerPoint. Divide students into groups and ask them to discuss which one is the most important and what these achievements have in common. (The exercises in warming up on Page 1).Students may have different opinions. The most important thing is to encourage them to think and express their opinions.T: Please look at these great achievements and work in groups and discuss the following questions. You may have different answers. But you will have to tell us your reasons. (Show the following questions on the PowerPoint.)Five minutes later ask some students to speak out their opinion.Step III SpeakingT: Ok. Suppose we are in the year of 2015. You are scientists. You are working on different projects. All of you need money and want to get money to complete your project. You will introduce your project and explain why it is the most important. One member will listen to all the scientists and ask questions .At the end of the discussion, he or she must decide who will get the money and why .Now turn your books to Page 2, look at the Speaking part and work in groups of five .Please dont forget the useful expressions. You are given five minutes to do it. Then I will ask some groups to act it out. Show the useful expressions on the PowerPoint.Sample of the speaking:1 Official: I know all of you have your own reasons.1. Among the great scientific achievements that have changed the world, which one do you think is the most important? Why?2. What are some other scientific achievements that you think are important?3. Do these achievements have anything in common? If so, what?Now Id like each of you to state your reasons and answer my questions truthfully so that I can decide who will get the money.Dr Wilson: Ok. Ill speak first. Our team is working on a cure for AIDS. As everyone knows, this is an issue for everyone. AIDS as a disease is not affecting only minority groups - gay men, drug users and prostitutes. The latest figures from the World Health Authority and UNAIDS show that HIV infection is now the fastest-growing serious health condition in many countries around the globe, where women are particularly at risk of becoming HIV-positive. Its clearly no longer the minority disease it once was. I hope to find a cure as soon as possible. So our research is extremely important. 3Official: Could you give us an example?Dr Jones: The number of pandas is becoming smaller and smaller. Even though the Chinese government has been trying hard to provide pandas a suitable environment, the number remains samll. If we find a way to clone pandas, they wont die out. We can help to keep the balance of the world. So I think our group should get the money.4Official: Ok. I think its Dr Smiths turn.Dr Smith: Without water, man cannot live. Water is very important to us. But many areas are short of water. In some places, people cannot have enough drinking water. So I want to develop new technology that will make it possible to grow food in areas where there is very little water. This new technology would help us save the natural resource. 5Official: How are your experiments going?Dr Smith: The experiments are going as expected, but at present we are short of money. I need your support.6Official: Lets listen to Dr Winfreys explanation about his project.Dr Winfrey: Once the moon has been reached, Mars seems the next obvious destination. We are working on sending a manned spaceship to Mars. It would be very difficult for one country to carry out such a program. A mission to Mars would require funding.7Official: Neil Armstrongs One giant step for mankind defined a generation. The project is very interesting and I am not turning it down. I support it, and it should be further developed. The money goes to Dr Winfreys group. Congratulations!Dr Winfrey: Thanks. You will be proud of us.T: Well done. Many of you can express intensions and wishes very well. After class please practice these useful expressions more often.Step IV WorkbookStep V HomeworkSurf on the internet or use the library to find some information of Neil Armstrong, Alexander G Bell, Ray Tomlinson and more about scientific achievements in groups.If I got the money, I wouldMy plan is to.I hope that.I want/ wish/hope/intend/plan toId like toIm thinking of2Official: Weve spent a lot of money on many programs which help people fight AIDS in poor countries.Dr Wilson: Thats true. But our research is to find a cure for this deadly disease. If we got the money, we would do more experiments and find a solution sooner. Then we would save thousands of lives.Official: OK. Lets listen to what Dr Jones will say.Dr Jones: Our research project is about cloning and how to use the new technology to cure disease. The main reason to clone plants or animals is to mass produce organisms with desired qualities. Other reasons for cloning include replacing lost family pets and repopulating endangered or even extinct species. And we are thinking of using the new technology to cure diseases. Surf on the internet or use the library to find some information of Neil Armstrong, Alexander G Bell, Ray Tomlinson and more about scientific achievements in groups.课 题SEFCB2Unit 11 Scientific achievements课 时6-3 Listening主备人授 课时 间教 学 目 标1. Target Language目标语言：constitution, Neil Armstrong, Alexander G Bell, Ray Tomlinson, eureka2.Aility goals 能力目标:Introduce some great scientists and their achievements to students by doing some listening exercises.3. Learning ability goals学能目标：By listening to the introduction of some scientists and their achievements help students learn more about scientific achievements. Improve their listening ability by doing listening exercises.教学重、难点Teaching important points教学重点Listen to materials about some great scientists and their achievements.Teaching difficult points教学难点How to improve their listening ability教、 学 具1.a projector 2. a computer预 习 要 求Recite the new words教 师 活 动 内 容、方 式学 生 活 动 内 容、方 式旁注Step I RevisionCheck the homework. Ask some students to express their intensions and wishes using the patterns learned in this unit.Ask students to say more about scientific achievements.Step II: Leading inAfter students talk about some great scientific achievements, show the pictures of Neil Armstrong, Alexander G Bell, Ray Tomlinson. Ask students to say something about the three great men.T:Do you know anything about Neil Armstrong？ T: Quite good! Now lets listen to some materials about them and then finish the exercises on page 2.Step III: Listening Part 1Play the tape for students to listen and give students several minutes to finish the exercises. If students have any difficulty in listening, explain the difficult points and play the tape again where necessary. Then check the answers with the whole class.S1: He is the first man to land on the moon.T: Good! What about Alexander G Bell?S2: He was the inventor of telephone.S3: Ray Tomlinson invented e-mail.After learning something more about the great people, go on dealing with the rest of listening exercises.Part 2Play the tape for students to listen and give students several minutes to finish the exercises. If students have any difficulty in listening, explain the difficult points and play the tape again where necessary. Then check the answers with the whole class.Ray Tomlinson Inventor of EmailEmail has become one of the most commonly used forms of communication, yet its invention passed with little note. Unlike some other communications breakthroughs, like the telegram or phone, nobody thought that email would grow as big as it has. Even the inventor of email, Ray Tomlinson, didnt know he was creating something important. But despite its humble beginnings, email has become an important part of our world. Whether it is used by a business for important messages, or by a disabled person simply to communicate, email is definitely here to stay. After learning something more about the great people, go on dealing with the rest of listening exercises.Part 3Students are encouraged to think creatively and give different answers.Step IV: WorkbookDeal with the listening exercises on workbook.Homework: Remember the three great men and their achievements.Learn words and expressions in the text. In 1969, Neil Armstrong made history by becoming the first man to walk on the moon, uttering the immortal phrase, One small step for man, one giant leap for mankind.NAME: Neil A. ArmstrongNASA Astronaut (former) PERSONAL DATA: Born August 5, 1930 in Wapakoneta, Ohio. Married. Two sons.EDUCATION: Bachelor of Science degree in aeronautical engineering from Purdue University; Master of Science degree in aerospace engineering from University of Southern California. He holds honorary doctorates from a number of universities.课 题SEFCB2Unit 11 Scientific achievements课 时6-4 Reading主备人授 课时 间 教 学 目 标1. Target Language目标语言：a. 重点词汇和短语likely zone, private, grasp, master, perfect, arrange, rely, failure, locate, valley, set foot in, rely onb. 重点句型1Whatever