第三册 M4 教案.doc

外研版第三册(必修三)第四模块教案Module 4 Sandstorms in Asia教学内容：介绍沙尘暴、环保方面的知识并学习相关词汇。系统学习动词不定式的用法。培养与沙尘暴有关的语言技能。教学目标：1 语言知识、技能目标：掌握与沙尘暴有关的词汇、短语；能读懂课文并理解语段之间的逻辑关系,从中获取信息并回答有关问题；能深刻理解动词不定式各种形式的含义；能听懂教材配套材料并根据要求完成练习；能叙述沙尘暴在我国的危害、提出自己的想法,并书面表达出来。2 素质教育目标：了解世界环保情况,培养环保意识。基本设想：基本按照教材编写顺序进行各个部分的教学并略作改动：首先,在模块教学开始时先进行模块内集中识词,以利于学生进行预习,并使阅读更顺利。其次,课本38页的Writing与练习册中的Writing异曲同工,而且练习册中提供了段落标题和范文,有助于学生更加顺利的写作,因此,写作练习就采用练习册中的。第一课时 课型：Vocabulary教学内容：1, Word list and names and places of Module 42, Exercises related to vocabulary教学重点：Pronunciation 教学难点：Correctly pronounce the long words教学方法：Listening, reading and practicing 教学用具：录音机,课本教学过程：Step1 IntroductionWe have learned many kinds of natural disasters such as Tornados, hurricanes and earthquakes, and we know that we cant stop them from happening, but we can reduce the damage they bring by studying them. Do you know that there is other kind of disasters caused by both climate changes and human beings? (Leave a few seconds for the students to think.) Sandstorms are one of this kind of disaster. In this module, we will talk about sandstorms. First, lets deal with the new words in this module.Step 2 PresentationPage 114, Word list of module 4;Play the tape of the word list, Module 4 for the students to follow at least twice. Listen to the long words a few times more for the students to listen more clearly and repeat.Step 3 PracticeAllow the students at most ten minutes to practice reading these words and then check the pronunciation. While checking, the students read the words one by one, and each student reads only one word. Meanwhile, correct the wrong pronunciations together with the students.Step 4 PresentationBriefly explain a few words, such as desertification, forecast, and so on. Write them on the blackboardStep 5 PracticePage 31, Part 1 and 2; Page 33, Part 2 and 3; Page 35, Part 1.Allow the students enough time to practice, when most of them have finished, check the answers.Step 6 Homework：1 Read the word again. 2 Preview the text.Step 7 Teaching reflectionsMost of the students can read the word list correctly and fluently. Encourage the quick students to help those who have difficulties in pronouncing.板书设计：Word list of Module four1 desert n. 沙漠-desertification n. 沙漠化;2 forecast n./v. forecast(ed) a weather forecast 天气预报3 concerned adj. 1) be concerned about 关心2) as far as Im concerned 我认为/就我来说第二课时 课型：Reading教学内容：Sandstorms in Asia 教学重点：1 Read to get certain information2 Language points教学方法：Pair work, discussing and Reading教学用具：电脑,屏幕,课本教学过程：Step 1 RevisionAsk three or four students to read the word list and other students to correct their wrong pronunciations.Step 2 Pair workPage 33, Exercise 2, ask the students to read the words in the box for each other and discuss to make clear their meanings. After a while, check the answers. Exercise 3, in pairs, students discuss first and then check the answers.Step 2 Discussion：Page 32： Discuss the picture together with the students according to the questions at the top of the text.Answers to these questions:1 There is a sandstorm blowing.2 She is wearing hoods, masks and glasses.3 The traffic moves slowly. Because its not clear to see everything on the road and people must take great care.4 Experts advise people to stay at home in this situation.Step 3 SkimmingShow some questions on the screen or hand out a piece of paper with the questions on it. Ask the students to read the text fast to find the answers.Questions:1 What are sandstorms?2 In what places do they often happen?3 What does Ren Jianbos example tell us?4 Are there sandstorms in China? Where?5 Have sandstorms in China increased or decreased recently? Why?6 Why does traffic move slowly during the sandstorm?7 Whats the experts advice when a sandstorm arrives?8 What does the government do to protect Beijing from sandstorms?Step 4 ScanningPage 33,Exercise 4 and 5: Allow the students enough time to read the text carefully and then do the two exercises. When most of them have finished, check the answers. (The answers can be found in the Teachers Book.)Step 5 Language pointsType the language points on the computer and show them on the screen.1 mass adj. 大规模的 a mass campaign 一场大规模的战役n. 团,块,堆 a mass of clouds /hot aira mass of =masses of 许多,大量 the masses 群众2 be caught in 被困于,遇到He was late for work yesterday afternoon because he was caught in the traffic jam.Charles Chaplin was once caught in a snowstorm for several days.3 appear v. 1)出现,出版,发行His book will appear in the bookshop next week.A smile appeared on his face when he heard the good news.2) 看起来,似乎； 系动词 She appeared very tired. She appears to want to leave.4 prevent somebody from doing, stop somebody from doing,keep somebody from doing阻止某人做某事。Note: keep sb. from doing 中from 不可以省略,因为keep sb. doing 意为：让某人一直做某事。其他两个词组中from省略后意思不变。Im sorry to keep you waiting so long. 很抱歉让你等了这么久。We must keep him from complaining all day.我们不能让他整天抱怨了。Step5 SummaryIn this class, first, we learned that the sandstorm is a serious environmental problem and Chinese government is making efforts to deal with it. Try to describe the damage that sandstorms bring and say what you think we should do that is helpful in dealing with sandstorms. Think about this question after class. Second, we learned some new words and phrases. Lets go through the new words in Exercises 2 and 3 on Page 33 and the language points again quickly.Step 6 Homework1 Describe the damage that sandstorms bring and suggest your ideas about how to deal with sandstorms in the exercise books.2 Remember the new words and language points you learned in this class.Step 7 Teaching reflectionsNow, the students have learned about and can say something about sandstorms. But the sentences containing infinitives are difficult to understand, so ask the students to underline them. After they have learned Grammar 1 in this module, they will understand.板书设计 Sandstorms in Asia1 Skim to answer questions 2 Scan to do Exercises 4 and 53 Language points:第三课时 课型：Grammar and listening教学内容：Grammar 1 and listening教学重点：1)Make clear the uses of Infinitive.2) Listen to find certain information from the listening material.教学难点：动词不定式不同时态,语态的含义及功能教学方法：Interpretation, practice and listening教学用具：讲义,课本,录音机教学过程：Step 1 RevisionAsk a few students to describe the sandstorm situation in Asia and China.Step 2 Grammar Page 34: InfinitivePart 1, read these sentences together with the students. Then in Chinese introduce the different types of infinitive and explain what part of speech they act in a sentence. Allow the students a few minutes to do Exercise 2 and 3 silently and then check the answers.Hand out a piece of paper with the following on it.Infinitive 一)不定式的句法功能是做主语,表语,宾语,宾语补足语,主语补足语,定语,目的状语和结果状语,分别给出一个例句 ：1) To master a foreign language is necessary for a college student.(主语)2) Your job is to wash dishes.(表语)3) She promised to give him a chance. (宾语)4) The teacher told his students to pay attention to their pronunciation.(宾语补足语)5) I was asked to help him with his lessons.(主语补足语)6) Have you got a pencil to draw pictures with?(定语)7) Some scientists went to Germany to attend a medical conference.(状语)8) He was too excited to say anything.(状语)二)注意不定式的不同时态与语态及其含义：1)它的一般式to do表示不定式动作与主动词处于同一时间层面或动作发生于主动词之后。He seems to know French.I have so much work to do now, so I cant go shopping with you.2) 它的进行式表示不定式动作与主动词处于同一时间层面并且动作正在进行。He pretended to be listening attentively when the teacher looked at him.3) 它的完成式表示动作发生在主动词之前。He seems to have read the novel.4) 它的被动式表示动作与逻辑主语之间是被动关系。The meeting to be held tomorrow is about how to stop the pollution.Id like to have been told the news earlier.三)不定式的复合结构。1)“疑问词+不定式”可以做主语,宾语,表语,同位语。The problem is how to persuade him to change his mind.2) 带有逻辑主语的结构of/ for sb. to do sthThe first thing to do is to clean the room.It is foolish of you to say such words.Page34, Part 2 and 3, allow the students a few minutes to do these exercises and then check the answers.四)Practice1 As air pollution has been greatly reduced, the city is still_.A a good place to live B. a good place for livingC a good place to be lived in D. a good place for living in2 the headmaster is the right person _.A for talking B to talk to C talking D talking to3 I picked up a few books about history _during your trip to Beijing.A to be read B to read C reading D to have been read4 I spoke to her kindly _ her.A to frighten B not to frighten C not for frightening D frightening5 The boy wanted to ride his bicycle , but his mother told him _.A not to B not to do C not do it D dont toKey: ABABAStep 3 ListeningPage 35, Part 2,3and 4, allow the students about three minutes to go through the topics in exercise 2, the questions in exercise 3 and the incomplete sentences in exercise 4, and then play the tape three times continuously, asking the students to do the exercises one by one . After that, check the answers.Step 4 Summary: Briefly go through the knowledge of infinitive.Step 5 Homework: 1 Revise the use of infinitive.2 Listen to the tape, the passage on Page 32 and the dialogue in the Listening on Page 35.Step 6 Teaching reflectionsInfinitive is both important and difficult for Senior High students to learn. They need much practice later to consolidate it. The listening practice here is not very hard since they have learned the word list ahead of time.板书设计Infinitive 1 否定式: not to 2 进行式：to be doing3 完成式：not have done 4 被动式： to be done5 完成被动式： to have been done第四课时: 课型：综合课教学内容：Page 36, 38 and 39教学重点：1 Grammar: but+ infitive 2 Learn to express strong opinions.3 Learn something about environment protection in the world.教学难点：Express strong opinions by stressing certain words.教学方法：Pair work and Practice教学用具：录音机和课本教学过程：Step 1 RevisionComplete the sentences using infinitive structures.1) Its good manners _ people in trouble.(help)2) All I did was _him some advice.(give)3) He does nothing but _all day.(play)4) It has no choice but _down and sleep.(lie)5) Is there anyone _ care of these children?(take )6) _ a friend, he got off the train in Beijing.( see)7) He hurried to the station, _that the train had gone.8) He happened _out when I went to see him.(go)9) Id like _the news earlier.(tell)10) Its foolish of you _such words.(say)Answers : 1 to help 2 give 3 play 4 to lie 5 to take6 To see/In order to see 7only to see 8 to have gone out9 to have been told 10 to sayStep 2 Grammar 2Page 36, Exercise 1: Students discuss in pairs the three questions below the sentences in Exercise 1 after reading them and the six sentences in Exercise 2. After a while, collect the answers.Note : In sentence a, “but” means “except”.In sentence b and c, “cant help but do” and “cant but do” means “have to do”.区别：cant help doing 禁不住Hearing that she was admitted to a famous college, she cant help jumping.Do exercise 2 orally together with the students.Step3 FunctionExercise 1, listen to underline stressed words. After listening, check the answers.Exercises 2 and 3, students do pair work discussing the stressed words and complete the dialogues. After a while, check the answers.Ask the students to read the three sentences in Exercise 1 together following the tape and then the three sentences in Exercise 2, paying attention to the stressed words.Note : “I have no idea.” means “ I dont know.”Step 4 Everyday EnglishStudents do pair work to discuss the right answers and then check the answers.Answers: 1b, 2 a, 3 b, 4 a, 5a.Step 5 Culture cornerPage39, discuss the picture: what is the little boy doing? What do you think of his action? Go through exercise 1 together with the students, and then ask the students to read and find the answer. (Answer: They put the garbage into different bags. There are laws that dont allow people to burn too much coal. In the 1970s, they started a “green” movement).Note: 1 CFCs: chlorofluorocarbons 含氯氟烃 (一种化学有机物)2 aerosol cans 气溶胶罐；aerosol, 浮质(气体中的悬浮颗粒,如烟雾等。)Step6 SummaryBriefly summarize what we did in this class.Step 6 Homework1 Revise what we learned in this class.2 Read “The Green Movement” again, and then think about the things you do everyday, and whether they are good or bad for our environment. Write a short passage about 80 words on the exercise book.Step 7 Teaching reflectionsExpressing strong opinions by stressing certain words is not very easy to master. Encourage students to practice whenever possible.板书设计:1 cant but do, cant help but do 不得不,不会不区别：cant help doing 禁不住做 cant help to do 不能帮忙作cant too/over 总不嫌过分,越越好eg. You cant be too careful when crossing the road.过马路时越小心越好。3 I have no idea. It couldnt be worse. Its absolutely hopeless.第五课时: 课型：speaking and writing教学内容：Page 37 and 90教学重点：Write a message about environmental problems教学难点：Organize the discussion 教学方法：Group work, reading and writing教学用具：课本教学过程：Step 1 Group workWe have learned from the previous class that some European countries are better than us at looking after the environment. Its high time for us to realize the importance of protecting our planet and do something that is actually helpful. Now please turn to Page 37, look at Speaking 2, Exercise 1, lets discuss how the things in the first box are bad for the environment, using the words in the second box to help you. Using “We need to”, “We must”, “We should” to discuss solutions. Divi