高中英语 Unit 4 Global warming Reading 教案 新人教版选修6 (2)

Unit4：GlobalWarming阅读课教案Unit 4 Global WarmingPeriod 1 Warming up and readingThe earth is becoming warmer—But does it matter?赵湾中学罗莹Teaching goals 教学目标1. Target language 目标语言a. 重点词汇和短语compare, phenomenon, graph, fuel, trap, data, climate, catastrophe, consequence, range, per, glance, compare to, come about, fierce debate, result in, build upb. 重点句式There is no doubt that the earth is becoming warmer. P26Without the…greenhouse effect?, the earth would be about thirty-three degrees Celsius cooler than it is. P26They also agree that it is the burning of more and more fossil fuels that has resulted in this increase in carbon dioxide. P262. Ability goals 能力目标Develop the students reading ability.3. Learning ability goals 学能目标1)Help the students learn how to talk about the causes and effects of global warming.2)Let the students aware of the harm of air pollution.Teaching important points教学重点Help the students learn how to debate over the topic “We should do nothing about global warming.”Teaching difficult points 教学难点Enable the students get a better understanding of the article. Teaching methods 教学方法reading , group work,debateTeaching aids 教具准备a computer.Teaching procedures & ways 教学过程与方式Step 1: Warming upLead in by talking about smog.Step 2: Pre-readingTalk about global warming and the causes of it.Step 3: Fast readingRead the passage quickly and answer the following questions.1)Who wrote the magazine article?2)What do the two graphs show us?3)What is the main topic of the article?Key: 1) Sophie Armstrong2) It shows that the temperature and the carbon dioxide contentincreased.3)Global warmingStep4: Read the passage again and fill in the blanks.All scientists subscribe to the view that it is__________ that has caused global warming.The huge quantities of carbon dioxide produced by burning fuels like coal, __________ and oil resulted in the “greenhouse effect”. All scientists also agree that the level of _____________keeps on increasing, so more heat energy tends to be trapped in the ____________.But the scientists have different attitudes_________this phenomenon. On the one hand , some think the trend of increasing the temperature by 5 degrees would be a _____________. On the other hand ,others are opposed to this view and believe that there will be few bad _____________causedby more carbon dioxide.On the contrary,they think it will be beneficial to plants,crops and a greater __________ of animals, _________ will make people`s life better.Key:1.human activity 2.natural gas 3.carbon dioxide 4.Atmosphere 5.towards/to 6.catastrophe 7.environmental consequences 8.range 9.whichStep 5:DebateGet the students to debate over the statement: We should do something about global warming. Let them work in groups to prepare it.DebateAffirmative(正方)S1：We should do___________about global warming.Because global warming is _______(good/bad) for human being.S2: Global warming will result in _________________________________________________________________________S3:Global warming will cause __________________, floods,______________, ____________, the spread of __________.S4:Global warming will also lead to _______________________________________________________________________DebateNegative(反方)：S1:We should do ___________about global warming.Because it is ____________(good/bad)for hunman being.S2:Global warming will ________________________________S3:Global warming will ________________________________S4:Global warming will ________________________________Step 6 Homework1. Read the passage again and review the new words and expressions.2. Preview Using Language ―WHAT CAN WE DO ABOUT GLOBAL W ARMING？。

ReadingPre-reading1. Questioning and answeringAsk students something about a green house. What is it? What is it for? Could you tell the class in English what you know about a green house?A green house is built of glass to be used for growing plants. The air inside the green house is warm because the glass lets in the sun and keeps it from running away. So the air inside is warm and is good for growing plants throughout the cold seasons.2. Introduces students to the topic of the reading passage and the term “greenhouse gases”.3. Do exercises⑴ What is the building made of and what its purpose?⑵What’s greenhouse effect?Teaching aims:1.To read the text “The earth is becoming warmer—but does it matter”and understand what it says.2.To make students find out some useful words and expressions. Teaching procedures:Step 1. Read the text (Page26)Answer the following questions.1 what is the purpose of the first paragraph?To introduce the topic.2 what are the diagrams for?To illustrate points by providing evidence.3 what is the purpose of the last paragraph of the article?To reflect on the major theme of the text and to predict what might happen in the future.Step 2. Read again for more detailsTo understand the main idea of the text, we are going to read it once again. Write down the key sentence of each paragraph at the same time.Key sentence of each paragraph:1.A debate over whether it is human activity that has caused the globalwarming or whether it is just a natural phenomenon.2.Many scientists be lieve people have caused the increase in the earth’stemperature.3.The increased extra amount of carbon dioxide traps more heat energycausing the global temperature to go up.4.The levels of carbon dioxide have increased greatly over the last 100to 150 years.5.There are some different attitudes towards the causes of this increasein carbon dioxide.6.Over the next 100 years the amount of warming could be as low as 1to 1.5 degrees Celsius but it could be as much as 5 degrees Celsius.7.An increase of five degrees would be a catastrophe.8.Future warming would cause the sea level to rise by several meters.9.Some predict any warming will be mild with few bad environmentalconsequences.10.M ore carbon dioxide is a positive thing.11.N o one knows what the effects of global warming will be.Step 3. Listen to the tape and then find out some useful words and expressions.。

Unit4 Global WarmingTeaching aims: To make students realize the harm of global warming and how to protect the earth from global warming ;To develop students’ sense of cooperative ability;Teaching important points : To enable students to learn about global warming and to develop their reading ability.Teaching difficult points: To enable students to talk about what we should do to prevent global warming.Teaching aids: MultimediaTeaching procedures:Step1 Warming upTalk about weather and lead the relationship between severe cold weather and global warming. Then play a video and ask students to think about what the video shows so as to lead today’s^topic-global warming.Step2 TalkingPlay a second video and the students are supposed to talk about what is happening in the video. Then the teacher comes to a conclusion:The animals’habitats are destroyed. That means animals will die out one day.Step3 pre-readingAsk students questions:What is a greenhouse made of and used for Have you ever seen a green houseA greenhouse is made of ______ and is used for ______________,especially during_____weather.Step4 group workAsk students to work in groups to discuss how does a greenhouse workThe answer:The glass traps the heat from the sun and keeps it from escaping. So the air inside is warm. This makes the greenhouse heat up and so the plants can grow throughout the cold period.Step5 reading•|•Ask students to skim the passage quickly and answer the following questions:What are the “greenhouse gases”•Who talked about “greenhouse effect”•What is greenhouse effect•And then check the answers. And then ask them to read it again and work in pairs to answer :Can we live without greenhouse effect•Who wrote the article•What’s the name of the magazine•What are the names of the three scientists mentioned in the article•What did Charles Keeling find And do you agree with her•Does George Hambley agree with Dr Janice Foster•What does Hambley say about carbon dioxide！Step5 detailed readingThe teacher tells that the test can be divided into 4 parts so show them a diagram and ask them to match which part with the right main idea.Step6 An activity—Make a posterSaving energy means reducing carbon dioxide, which is our duty.What should we do to slow down global warmingMake a poster for our school that tells students various ways they can reduce the amount of carbon dioxide in the air.Step7 Homework•Composition:•以“how to slow down global warming”为题写一篇发言稿。

Unit 4 Global warmingReadingTeaching goalsTarget languagewords and phrases:energy, light(v.), heat(v.), renewable, non-renewable, run out, compare, phenomenon, graph, fuel, trap, data, climate, catastrophe, consequence, range, per, glance, compare to, come about, fierce debate, result in, build up, keep onAbility goalsEnable the students to talk about different sources of energy.Enable the students to read the text, understand what it is about and talk about the causes and effects of global warming.Teaching important & difficult pointsEnable the students to get a better understanding of articles of this kind. Teaching aidsA projector and a blackboardTeaching proceduresStep 1 Warming upT：Now let's look at a picture on the slide and answer the question below.What is the greenhouse made and used for?A greenhouse is made of glass and is used for growing plants, especially during cold weather.What's greenhouse effect?Step 2 ScanningRead the text quickly and find the answer to the questions:1. Who wrote the magazine article? What is the name of the magazine?Sophie Armstrong, Earth Care.2. What are the names of the three scientists mentioned in the article?Dr Janice Foster, Charles Keeling, George Hambley.3. What do they think about global warming? Do they agree with one another? They don't agree with each other.Dr. Janice Foster thinks the effects of global warming could be very serious. George Hambley thinks global warming will be mild with few bad environmental consequences.Charles Keeling believes it is the burning of more and more fossil fuels that is resulting in a bigincrease in carbon dioxide.The first graph shows the temperature increase of one degree Fahrenheit between 1860to 2000.The second graph shows the carbon dioxide content in the atmosphere from 1957 to 1977.4. What are the two graphs about?The first graph shows the temperature increase of one degree Fahrenheit between1860to 2000. The second graph shows the carbon dioxide content in the atmosphere from 1957 to 1977.5. What is the main topic of the article?Global warming/ the warming of the earth.Step 3 SkimmingRead the passage carefully and judge whether the statements are true or false.1. The temperature last century didn't increase much.2. Everyone believes that global warming is caused by the activities of humans.3. Janice Foster believes that global warming is caused b the burning fossil fuels.4. Natural gas is a greenhouse gas.5. Carbon dioxide is a byproduct of burning fossil fuels.6. People accept Charles Keeling's data because he took accurate measurements.7. Flooding could be one of the effects of future global warming.8. George Hambley believes scientists are just guessing about the effects of global warming.9. George Hambley is worried about the effects of carbon dioxide on plant growth.10. It is clear what the effects of global warming will be.Keys: True: 3, 5, 6, 7, and 8 False: 1, 2, 4, 9, 10Step 4 Detailed readingRead the text carefully and try to find out how many parts we can divide the text into and find out the main idea of each part.Part (Para_ to Para_ )Main ideaPart 1 (Para _1_)introduce a debate over the issue of global warmingPart 2 (Para _2__ to _4__)illustrate how global warming comes aboutPart 3 (Para _5__ to 10___)list two different attitudes among scientists towards global warmingPart 4 (Para _11__ to ___)It's up to readers to think and decide whether people should do something about global warming or not.Step 5 DebateGet into groups of six. Decide which three in your group are going to agree with the statement and which three are going to disagree with the statement.Group A: We shall do something about global warming.Group B: We shall do nothing about global warming.Group A discuss why they agree with the statement; Group B discuss why they disagree. Group A and B get together. Tell each other the reasons why agree or disagree with the statement.Step 6 Homework1. Read the passage again and review the new words and expressions.2. Prepare the debate in groups.3. Surf the Internet for more information about global warming中国书法艺术说课教案今天我要说课的题目是中国书法艺术，下面我将从教材分析、教学方法、教学过程、课堂评价四个方面对这堂课进行设计。

Unit4“全球变暖”（Goba Warming）Reading教材：人教版高中英语选修6 Unit4“全球变暖”（Goba Warming）教学年级: 高二4班课题名称: Reading: The Earth i Becoming Warmer -But Doe it Matter授课时间: 40分钟一、本节课教材分析与教材整合1 本单元教材分析本单元主要围绕当今社会人类面临的环境问题而展开，重点探讨了“全球变暖”和节约能源等方面的问题。

因为人类过度的使用煤炭等不可再生能源，大气中的二氧化碳的含量逐年增加，导致全球气温上升。

学生通过本单元的思考、学习，讨论从而认识到全球变暖的真正涵义和它所带来的种种后果。

同时学生能够进一步认识我们赖以生存的地球所面临的其它严重的环境问题，激发学生的环保意识。

引导学生运用所学语言知识、句式表达自己对这些现象的看法，培养他们为自己的观点辩论的能力。

Warming U ing warmer-But doe it matter’ the wrong with our earthwhat i “greenhoue”,“greenhoue gae”and “green-houe effect”Q1:Who wrote the artice what’ the name of th e magaineQ2:What are the name of the three cientit mentioned in thearticeQ3:What’ the main toe aboutSteain ideaSte6 DicuionA a tudent, what can we do about it教学后记：通过课后与学生交流及练习反馈，得出以下结论：1.学生对本节课内容基本掌握，熟悉了全球变暖这一话题，掌握了文章的关键信息点和文章整体结构及作者的写作意图。

2.学生能勉强对课文内容进行复述，并且展开讨论，总结出自己对待这一问题的一些看法。

高二英语Unit 4 Global warming ----Reading公开课教学设计Unit 4 Glbal aring ----Reading（教学任务设计）IRevisinin nsequene/e abut/ be ppsed t/ g up/ result in/ a large quantit f1) ith the use f eletriit, great hanges have &nt;&nt;&nt;&nt;___________ in ur life3)At first the _____________the shee,but e anaged t argue the rund4) The prie f il has _______________b ver 0 perent in less than a ear) It rained esterda and _____________the ath as aneled6) The fiere quarrel bth sides' breaing up fr eah therIIReading tass:1) Read the text and then ath the ain idea f eah partPart 1(Paragraph 1) aList t different attitudes ang sientists tardsglbal aringPart 2(Paragraphs 2~) bIt`s up t readers t thin and deide hether pepleshuld d sething abut glbal aring r ntPart 3(Paragraph 6) Illustrate h glbal aring es abutPart 4(Paragraph 7) d Intrdue a debate ver the issue f glbal aring2)Tr t find ut the ain idea f the textThe ______have different ideas n hether it _______ hen the earth is being _______3)Read the passage and anser the flling questins1hat des the `green huse effet` refer t?2hat has resulted the inrease in arbn dixide?3 h rte the agazine artile? hat is the nae f the agazine?4 hat are the naes f the three sientists entined?D the sientists agree ith ne anther abut the glbal aring?6The different ideas beteen Dr anie Fster ≈ Gerge HableDr anie Fster----arbn dixide has aused the glbal teperature t _____An inrease f five degrees uld be a________and uld be ______Gerge Hable----re arbn dixide is a _____thing,hih aesrps_______and ill enurage_______4)SuarAll sientists 1________ t the vie that it is huan ativit that has aused thet prdue energ As a result, a，glbal aringThis ativit is burning fssil fuelsnatural 2__________alled the “greenhuse effet”has3____________ithutthis phenenn，the earth uld be abut 4_______ler than it isS,e need thse gases Hever,the glbal teperature ill rise hen e add huge ________f extra arbn dixide int the atsphere e n that the levels f arbn dixide have6_______ greatl ver the last 100 t 10 ears The attitude f sientists tards this rise is pletel 7________ Se thin that the trend uld be a atastrphe hile se are 8______ t this vie，and the believe that an aring ill be 9____________ ith fe bad envirnental 10__________IIIUseful sentenes abut prteting envirnent1Envirnental prtetin has aused glbal nern reentl2Everbd shuld raise the aareness that it's ur dut t prtet ur ther earth3It's high tie e t iediate easures t prtet ur earth fr being plluted4n n aunt shuld e develp ur en at the st f ur envirnentith the inrease f the rld ppulatin, ur envirnent is getting rse and rseIVHerrite a shrt passage using the tpi abut prteting envirnent。

Unit 4 Global warming1. 教材分析本单元以Global warming 为主线，旨在通过单元教学使学生经过思考、学习，认识到全球变暖的起因和它所带来的种种后果。

同时鼓励学生进一步阐述地球所面临的其它严重问题，激发学生的环保意识。

引导学生运用所学语言、句式表达自己对这些现象的看法，培养他们为自己的观点辩论的能力，并能运用所学知识写一篇有关环境问题的论文。

1.1 Warming Up通过直观的图片，使学生对能源的用途和种类有一个基本的了解。

让学生对当今人们开发和使用能源以及随之而来的种种影响有更深一步的思考和认识，从而为本单元主题Global warming 作了很好的铺垫。

1.2 Pre-reading是Reading的热身活动。

通过组织学生对这些问题的讨论、回答，激活他们头脑中相关的内容模式，为下一步阅读做好准备。

由于Global warming 是当今世界的一个热门话题，学生已从多种渠道对此有了很多的了解，因此教师可以在安排预习作业时让学生分组做 a project on global warming , 这样既符合了新课程的要求——体现学生的主体地位，激发学生自主学习的热情，又能得到很好的教学效果。

1.3 Reading是一篇从杂志节选的文章。

它讲述了全球加速变暖的原因——人为温室效应，后果以及人们对此的不同观点。

要求学生在理解文章大意的同时注意它的写作技巧：提出问题——分析现象——阐述各方面的不同观点——以疑问句作为总结引发读者深思，自行做出判断。

这为Comprehending 中Exercise 3的分组辩论活动留出了很大的空间，埋下了很好的伏笔。

1.4 Comprehending 包含了三大部分。

前两个部分中设计了诸多细节性的问题，旨在检测学生定位、理解细节及对文章大意的总结归纳的能力。

最后一项要求学生在读完整篇文章后，仔细思考并树立自己的观点：“We should do nothing about global warming”还是“We should do something to decrease the speed of global warming”，并利用所学知识进行分组辩论。

Unit4 Global warmingLanguage points for reading 1 教案-雷翊Teaching contents,Some important words and expressionsTeaching aims,Knowledge aims，To grasp some important words and expressions and learn some useful sentence patternsAbility aims，1. Get students to use some useful words and expressions correctly .2. Enable students to make sentences after the useful sentence patterns Emotional aims，1. stimulate students’ interest in learning English.2. Develop students’ spirit of cooperation and teamworkTeaching important points,1. Master the important words and expressions.2. learn some useful sentence patternsTeaching difficult points,1. How to grasp some useful words and expressions.2. How to learn some useful sentence patterns.Teaching methods,1. task-based teaching and learning2. cooperative learningTeaching procedures,Step1:Review some phrases in the reading part.1.发生，产生2. 赞成；订购3.大量的4. 倾向于；照顾5.上升；增长6导致7.反对8. 种类繁多的9. 即使10. 增加；聚集11. 继续12. 一瞥；扫视Step2. Teaching important words and expressions.1．come about = happen /take place / occur 发生[课文原句]常用句型：How did it come about that ...？“某事是怎么发生的？”It came about that ...“……发生了”How did it that he knew where we were?他是怎么知道我们在什么地方的呢？come into being 开始存在；形成come across (偶然)遇见，碰到come out 开花；出现；被出版come up 发芽；走近；被提出come up with 提出；赶上come to 共计；谈到用come 相关短语的适当形式填空①When is her new novel ？②The subject in conversation yesterday.③How did this situation ？2. subscribe to 同意；捐赠；订购I unreservedly subscribe to your proposal. 我毫无保留地赞同你的建议。

高中英语人教版《Unit 4 Global warming》教案高中英语人教版《Unit 4 Global warming》教案英语学习、英语教学越来越受到人们的普遍重视。

随着时代的发展和社会的进步，英语已从一种工具变成了一种思想，一种知识库。

没有掌握英语犹如缺乏一种思想，缺少了一个重要的知识泉。

下面和课件网一起去看看有关高中英语人教版《Unit 4 Global warming》教案。

人教版高中英语选修6《Unit 4 Global warming》教案1 教学准备教学目标Teaching goals 教学目标1. Target language 目标语言a. 重点词汇和短语energy， light （v.）， heat （v.）， renewable，non-renewable， fuel， blame， run outb. 交际用语Expressing agreement and disagreementYes， I agree with you.Yes， I think so.I believe that you’ve got it right.I don’t thi nk so.I don’t think that’s right.I’m afraid you are wrong.2. Ability goals 能力目标Enable the students to talk about different sources of energy and express their own ideas.3. Learning ability goals 学能目标Help the students learn how to give their ideas about the use of energy.教学重难点Teaching important points 教学重点Enable the students to express agreement and disagreement.Teaching difficult points 教学难点Enable the students to learn how to express agreement and disagreement.教学过程Step ⅠRevisionT: Good morning， everyone.Ss: Good morning， teacher.T: Sit down， please. Before class，I’ll check your homework first. Mary， would you read your homework to usCheck the students’ homework and have a discussion with the students about the mistakes Mary made. Let the students have a clear understanding about the mistakes and then correct them.Step ⅡWarming upT: As we all know， we depen d on energy to do many things in our daily life. Some people even say we could do nothing without energy. Can you tell me what we use energy forSa: Energy lights our cities.Sb: Energy heats our buildings.Sc: Energy entertains us. With the help of electricity， people have got a lot of fun from watching TV， playing puters and so on.Sd: There are many other electrical appliancesthat make our life more convenient and fortable suchas washing machines， microwaves， air conditioners and so on.Se: Today energy also helps people realize manyso-called dreams in the past. For exle， people can “fly” from one place to another by plane which runs on energy.Sf: It’s true. In fact， not only planes but also cars， ships and trains run on energy.T: Well done. All that you’ve just said is right. So it seems that energy plays a very important role in the modern world. Then where does all the energy e from Open your books and turn to page 25. Look at the pictures on this page. They may help you find out the answers.After a while.T: Who’d like to tell us your answersSg: Wind power.Sh: Coal power.T: Right. Is there any difference between themSi: Yes. Wind will never run out while coal is a limited source.T: It’s true. As we know， an energy source is renewable when supplies of it never run out while some supplies， such as coal， will definitely run out one day. Energy of this kind is called non-renewable sources. Please think of as many sources as you can and decide which energy sources on your list are renewable and which are non-renewable.If necessary， give some words related to the pictures which might be difficult for the students such as oil refinery， hydroelectric power and so on.The teacher should also collect as muchinformation about different sources of energy as possible and show it to the students in class through a puter. In this way， the students will bee more interested in this topic and their knowledge on this aspect will be enlarged.Sle answers:Step Ⅲ Listening and DiscussingT: Fromwhat we’ve just talked about， it is clear that energy does a lot of good to us.But every coinhas two sides. Is there any negative effect of using energySa: Yes.People use too much energy which is resulting in an increase in carbon dioxide.That is how the global warming es about.Sb: Andmeanwhile it pollutes the environment.T: It’strue. Many people have realized the problem. Next we’ll do some listeningpr actice on this topic. Let’s see what other people think of this issue.Thestudents are asked to read the questionsquickly to find out the listeningpoints first. Then listen to the tape twice and give the correct answers.T: Nowplease turn to page 31. Let’s do listening. Before you listen to the tape，please read fast the statements in Exercise 1 to find out the listening points.Pay much attention to the key points while listening.Play thetape for the first time. Help the students get a general understanding aboutthe dialogue. The students listen and try to finish Exercise 1. Play thetapeagain，train the students’ ability to spot specific information and understandthe implication in the dialogue. The students listen and finish Exercise 2.Severalminutes later.T：Have you finished the exercisesSs: Yes.T: OK，let’s check your answers.Explainsome difficult points if necessary.T: Nowread what Professor Chen and Li Bin say. Work in groups. Discuss who you agreewith and give reasons. Use some of the phrases listed in Exercise 2 or anyothers you know.课后习题Homework1. Review the new words and expressions you learned in this class.2. Preview Reading.人教版高中英语选修6《Unit 4 Global warming》教案2 教学准备教学目标Teaching Aims:In this class Ss will be able to① practice skimming and scanning for information needed like what are the two concerns and what are Earth Care’s suggestions.② Master the phrases such as: put up with， so long as， and so on， make a difference， have no effect on … ， by making sentences or by using them into the post er.③ bee aware of the serious effects of global warming and the importance of saving energy to be environmentally friendly.④ Summarize the points according to their understanding.⑤ work together to design a poster by using the suggestions in the article.教学重难点Teaching Difficulties:Students may find it hard to add more suggestions about how to save energy in our daily life and to summarize the points according to those suggestions.Students may not know clear what is a poster and how to design an attractive and persuasive poster in short time.教学过程Teaching Procedure:Step1. Lead-in （individual collective work）1. Teacher begins the class by asking: Have you ever seen the movie The Day After Tomorrow and thenlet students enjoy a short movie clip with the following two questions:① What kinds of disasters have you seen in the film② Can you guess how they came about （happen）2. introduce the topic: global warming. And then have a further question:①What other disaster will be caused by global warmingTo arouse students’ interest by watching the movie clip and educe the topic， that is global warming. And then by showing a lot of pictures， make students know and understand the terrible effects ofglobal warming， thus making preparations for promoting environmental protection.Step2. While Reading （Individual work）Skimming: Go through the first letter to f ind:① who is the writer② what are his two concernsScanning: Read the second letter and answer the following questions:① Does Earth Care agree with Ouy ang Guang’s opinion that individuals can have no effect② what are Earth Care’s suggestions③ Can we carry those suggestions out WhyTo help the students grasp the main information of the two letters by skimming and scanning. While stud ents get the answer to question1， ask them to find the supporting sentence : Together， individuals can make a difference. We do not have to put up with pollution. Guess the meanings of the two italicized phrases according to the surroundings and their understanding.Step3. Post reading （Pair work）1. Discussion: Make students discuss whether they can find more ways or suggestions about reducing carbon dioxide and saving energy in our daily life.Suggested ways:1） Use less hot water 7）Change a light bulb 8）Try car sharing2） Take a shower instead of a bath3） Buy fresh food instead of frozen4） Buy things that are actually in season5） Eat less high fat food like KFC and Macdonald 6） Clean filters（过滤器） on your air conditioner.To cultivate students to work in pairs and learn to summarize an opinion and share the knowledge of saving energy in daily life. To practice the ability of understanding the meaning of new words and expressions to remove the obstacles in reading.Step4. learn what is a poster （collective work）Know what is a poster by giving a simple sle and try to get the structure.To know clearly a poster should have a heading，contents and an eye-catching slogan， which will make it easy for students to design an acceptable poster.Step5. Prepare the poster （individual group work）1. Decide our content s:①Choose and decide five most important suggestions. （individual work）②Write them down on your paper and try to make them persuasive by using imperativesentences. （individual work）③pare your list with your group members and decide five for your poster. （groupwork）2. Slogan and heading: showing sle posters to help them decide a heading and a slogan for your poster.This is the most important part of this writing task. Students will be able to summarize and pose sentences by choosing and organizing what they want to say， thus improving their writing ability and the process of output based on what they have learned inreading part. And by learning some sle posters to help them decide their own heading and slogan.Step6. produce show time （group work）With the heading， slogan and ways， students will not find it difficult to make a poster. What they Should pay attention is how to illustrate their poster and make it more attractive. And then choose several pairs to represent their posters.Making the poster will improve their cognitive capability of the importance of environmental protection and at the same time they can enjoy a sense of achievement in show time. And they make believethat individuals can really make a difference.课后习题Homework：Put their poster up around the school to make more students know about energy saving and global warming. Write a short passage to tell others how to solve the problem of global warming based on the suggestions you have collected and send it in your QQ zone or blog.板书板书设计：tsunami/ flood/More suggestions: make full use of paper/ use both sides of paperreuse waterlimit the time of using private carssend emails instead of cardsuse less hot wateralways take a shopping bag with youdrive a bicycle but not e-bicycle。

Teaching PlanUnit 4 Global warmingReading: The earth is becoming warmer—but does it matter?Ⅰ Teaching Aims1.Enable the students to learn the following useful new words and expressions：fossil fuel, go up, come about, flood, drought, famine etc.by pictures.2. Enable students to master the reading skills by skimming, scanning.3. Enable students to get the knowledge of global warming through the reading strategies and skills.II Teaching Important and Difficult PointsEnable the students to get information about global warming using the reading strategies and skills.III Emotion, attitude and valueEnable the students to be more aware of the importance of stopping global warming Teaching Methods：Asking-and-answering activity to check the students’ understanding of the text；individual，pair or group work to finish each task.Teaching Aids：A multimedia computer and a blackboard.Teaching ProceduresStep 1 Lead-in1) Greetings and lead in.Show a film of The Day After Tomorrow and ask them the following question:What can you see in the film?--hurricane, tsunami, glacier melting .What other disasters do you know？--Flood, drought, famine.What causes the disasters?--It’s the global warming.What causes the the global warming?--Picture1: the burning of fossil fuelsPicture2: greenhouse gases: carbon dioxide, water vapor, methaneAs a result, the earth will become warmer and warmer.Step2. Skimming:Glance the first paragraph:1. Who wrote the magazine article?A. Janice FosterB. Sophie Armstrong2. What is the topic of the article?A. The earthB. Global warming3. There are the names of the three scientistsin the article EXCEPT______.A.Dr Janice FosterB. Sophie ArmstrongC. Charles KeelingD. George HambleyStep3 Scanning for detailed information (Group work)Part2(2-5)1. What do the two graphs show?--The first graph shows the temperature increase of one degree Fahrenheit between 1860 to 2000.--The second graph shows carbon dioxide went up from 1957 to 19972. What do you know about greenhouse effect?Greenhouse gases trap(吸收) the _heat_from the sun and therefore _warm_the earth. 3. Which following is NOT TRUE about global warming? (D)A. The increase of temperature is due of the burning of the fossil fuels.B. The burning of the fossil fuels caused the increase in carbon dioxide.C. All believes that activities of humans have caused global warming.D. The attitudes of scientists toward it are the same.3.The different ideas of the effects of the global warming Part3(6)Step4 SummaryWhat can we learn from the text? Fill in the bland.A. fossil fuelsB. human activityC.warmerD.differentE. heatEveryone believes that the earth is becoming ______. _______________ has caused this global warming: human produce energy by burning ___________. During this process, greenhouse gases are produced. Greenhouse gases can trap _____ from the sun and warm the earth which is called “greenhouse effect ”.The attitudes of scientists towards global warming are ______. On the one hand, it is a positive thing. On the other hand, if there are too many greenhouse gases, more heat will be trapped, causing global warming.Step5 After-reading group workWhat should we do to stop global warming?Discussion:Suggestions on global warming:turn off the electrical applianceDr. Foster Hambley More carbon dioxide has negative effects: rise of the sea level severestorms, droughts, floods, famines, the spread of diseases, the disappearance of species. More carbon dioxide is a _positive_ thing, makes crops __produce__ more and will encourage __a great range of animals____.talk with family and friends about itrecycle things like bottles, plasticsplant more treesride bike rather than carwords 参考词汇: reduce, carbon dioxide, absorb, environment, plant, electrical appliances, recycleSentences structures 句型:We should ... in order to ...moIt is a good idea to ... because it can ...e.g. We should plant more trees in order to absorb the carbon dioxide .It is a good idea to plant more trees because it can absorb the carbon dioxide .Suggestions about global warmingNowadays, global warming is becoming warmer and warmer. It's time for us to take some actions to deal with it.Firstly, we should ________________________________________ in order to _______________________________________.Secondly, it's a good idea to _______________________________________ because _______________________________________.Finally, why not ______________________ because________________________.Let us save energy and stop the global warming together.Step6 HomeworkWrite a short passage about the suggestions.。