选修8Unit 3Inventors and inventions教案

课题Unit 3 Inventors and inventions教材分析Reading是一篇是一篇记叙性的文章。作者在文中详细介绍了从发现问题(snaketrouble ) 分析问题(products that might help)到解决问题(remove the snakes)的全过程，并介绍了专利申请方面的一些知识。教学目标Enable the students to describe the problem of the snakes and what has been done by thewriter to solve the problem. Make them realize it takes steps to catch the snakes and its noteasy to get a patent.教学重点教学难点how to describe the problem of the snakes andwhat has been done by the writer to solve theproblem.Learn how to meet the requirements of getting apatent.教学准备A projector, a computer and a blackboard.教学过程教学环节教学内容修改补充SteplPre-readingl.Do you know the stages every inventor must go through before they canhave their invention approved? Inventing is a scientific activity and sofollows similar stages to those used in scientific research. Look at thefollowing list and work out a suitable order.1. Applying for a patent2. Finding a problem3. Doing research4. Testing the solution5. Thinking of a creative solution6. Deciding on the inventionFast readingPart 1 (Para.l): the discovery of the problem of the snakesPart II (Paras.2-3): the research on the approaches to solve the problemStep 2While-readingStep3homeworkPart III (Paras.4-6): the attempts to catch the snakesPart IV (Paras.7-8): the requirements of getting a patentDetailed-readingComprehendingT: Now, please look at Exercise 1 on page 21. Listen to the recording of thepassage to get the answers to the questions. While listening, pay moreattention to the correct pronunciation and tone. Then read the text byyourselves to get the answers to the next questions (slide). You can work ingroups.Ask the students to do the following.1. Go over the whole passage.2. Recite the key sentences in the text.3. Prepare for Learning about Language and USING STRUCTURES in theworkbook.板书设计Read through the passage and find the main idea of each paragraph.P art 1 (Para.l): the discovery of the problem of the snakesPart II (Paras.2-3): the research on the approaches to solve the problemPart III (Paras.4-6): the attempts to catch the snakesPart IV (Paras.7-8): the requirements of getting a patent教学反思课题Unit3. the past participle as the attribute.教学目标Enable the students to use the past participle as the attribute.教材分析Usage of the past participle is very important in English grammar and in the exam.教学重点教学难点How to use the past participle as the attribute.How to use the past participle as the attribute.教学准备Multi-media computer教学过程教学环节教学内容修改补充SteplRevisionStep 2PresentationRevisionT: Now, please look carefully at some examples on the slides and answer somequestions below:Show the following.1. The Titanic is a sunk ship in the ocean.2. The book intended as a surprise to him was lost in the mail.3. He seems moved to tears by the film.4. If bitten by a snake, you should call for help.5. We left them caught in the storm.Qs:1. What*s the function of the words in bold?2. What kind of voice do they have? Why?3. What part of speech does each of them have?4. Whats the difference between the structures of the first two sentences? Can yourewrite them in the attributive clause?T: Now, please talk with your partner and then we will deal with the questions one byone.SI: All the words in bold in the sentences are all past participles, which explain and addmore information to the meanings of the sentences.S2: Usually the past participle shows the passive voice to the related part of thesentence. For example in the first two sentences, the verbs sunk and intended indicatethe passive relationship to the nouns they modify ship and book while in the third andthe fourth sentences the passive relationship is between the subject He and moved; youand bitten. From the last sentence, we know they were caught in the storm.S3: The past participles act as attribute as in the first two examples while they serve aspredicative, adverbial, object complement respectively in the next three examples.S4: The past participle in the first sentence modifies the noun following it while in thesecond sentence the modified noun is in front of the past participle. They can berewritten as The Titanic is a ship which is sunk in the ocean. The book which wasintended as a surprise to him was lost in the mail.PresentationStep3T: First Id like you to look at the example and talk about the part of speech of the pastHomewparticiple and then look through the text and find out three more sentences used in thisorkway. ril give you three minutes. Then well check the answers together.Ask the students to do Exercise 1 on page 23 and Exercises 2-4 on page 24. And thencheck the answers.Ask the students to do the following.1. Finish the exercises on grammar in this unit.2. Preview the reading materials in Using Language.The Titanic is a sunk ship in the ocean.板书设计2. The book intended as a surprise to him was lost in the mail.3. He seems moved to tears by the film.4. If bitten by a snake, you should call for help.5. We left them caught in the storm.课题Unit3 Using Language教材分析Using Language, Reading 要求学生阅读一篇介绍发明家 Alexander Graham Bell的文章并回答有关问题，了解电话发明者贝尔的发明及其成功的原因。教学目标Enable the students to learn about the famous inventor Alexander Graham Belland his inventions.教学重点教学难点How the famous inventor AlexanderGraham Bell invented telephones.How the famous inventor AlexanderGraham Bell invented telephones.教学准备A projector, a computer and a blackboard.教学过程教学环节教学内容修改补充SteplPre-readingStep 2While-readingl.Get the students to put the following sentences into English.Show the following.阵闪电之后，接着就是一声巨响。被汽车撞伤的小孩马上被送到了医院。一本书是用浅显的英语写的，适合初学者。那位手持鲜花的姑娘也许在等那个被警方带走的男人。2.look at the picture of the great inventor on page 25. First Id likeyou to discuss the following questions in groups.Show the following.What do you know about the inventor?How useful is his invention to human society? Why?l.Let the students read the four questions first to get a general ideaof what should be paid attention to and then play the tape forstudents to follow and give the answers to the questions. Whenthey finish, let them exchange notes with their partners and findthe supporting sentences. Then check the answers with the wholeStep3homeworkclass.T: Now, please read the first sentence of each paragraph and thekey words in bold and then tell me the main idea of it.3. As we all know, one of the remarkable things about Leonardo daVinci was his natural ability in so many subjects. Are you as cleveras Leonardo? Id like you to make a comparison about da Vinci andyou yourself and find out by filling in the chart in Exercise 2.1. Ask the students to write a short passage about da Vinci.2. Preview Writing in Using Language and WRITING TASK in theworkbook.板书设计Get the students to put the following sentences into English.Show the following.一阵闪电之后，接着就是一声巨响。被汽车撞伤的小孩马上被送到了医院。一本书是用浅显的英语写的，适合初学者。那位手持鲜花的姑娘也许在等那个被警方带走的男人。教学反思