高中英语Module 4 Sandstorms in Asia学案外研版必修3
高中英语教学案例 Module 4 Sandstorms in Asia
Period One Introduction & Reading and Vocabulary 教学课型： 阅读课 Ⅰ. 教材分析： 本课的内容是外研版《英语》（新标准）高中第三册（必修3）Module 4 Sandstorms in Asia本模块介绍了亚洲（主要是中国）沙尘暴的情况，并引入了与沙尘暴和环保有关的词汇。要求学生了解沙尘暴方面的知识并掌握相关词汇，培养学生用英语谈论沙尘暴及环保的语言技能。Introduction介绍与“沙尘暴”有关的词汇，可以让学生初步熟悉这些词的意义，为以后的各项学习活动做好准备。Reading and Vocabulary 该部分介绍了“亚洲的沙尘暴”。围绕着课文学生可以增进对沙尘暴危害性的了解，熟悉有关沙尘暴的词汇。 Ⅱ. 学情分析： 高中的学生注意力有一定的稳定性，观察能力很强，具有一定的目的性，系统性和全面性，已经初步实现从具体思维向抽象思维的过渡。他们喜欢富有个性化的教学设计，喜欢接受新鲜事物。同时，自我意识增强，拥有强烈的主观能动性。他们更是拥有很强烈的自我展现意识与欲望，不但在乎别人对自己的评价，更渴望得到别人的关注和赞赏。他们已具有了一定的自主合作和探究的能力，具有了一定的英语语言知识和英语应用的能力，具备了基本的英语思考和英语表达的基本技能。因此，设计这节课时，我充分考虑到学生的主体性，把自己作为与学生一起探讨的一员，以亦师亦友的身份走进他们，以基础的语言启发他们，以轻松的话题开始，以愉快的交流展开合作，充分创造机会让同学们都拥有成功的喜悦，在和谐的氛围中探究并完成教学任务。 Ⅲ. 教学目标： 1．语言知识目标 掌握并能运用下列词汇： 与沙尘暴有关：disaster, dune, citizen, dust, desertification, forecast, strength, cycle, mask 与环保有关：process, mass, campaign 句子: To have been caught in a sandstorm was a terrible experience. There was nothing to be done. To be cycling in a sandstorm is frightening. 2．语言技能目标： 理论依据: 高中英语课程标准 强调用英语获取和处理信息的能力 1).能从文章中获取主要信息并摘录要点 2).能理解文章主旨、作者意图 3).能提取、筛选和重组文章中的信息 4).能利用上下文猜测新词汇 3．学习策略目标 词汇归类 在阅读、英语互动、完成任务过程中进行有效自我调控 通过各种途径获取相关信息，辨别并运用有效资源 4．文化意识和情感态度目标 了解亚洲沙尘暴的状况 增强环保意识 5．重点与难点 重点： 了解沙尘暴；阅读微技能训练 难点： 运用所学词汇和短评，围绕主题进行讨论及写作五、 Ⅴ.课时教学教案：
Period 1 Reading – Basketball
Learning Procedures Step 1: Introduction【合作探究】 Lead-in: Look at some pictures about Gymnastics Match. And ask the students the following questions.
1. Do you remember that day? 2. What was the weather like that day? （教学步骤说明）：图片新颖，直观，有利于教学过程的实施，通过自己班级的在体操比赛中的图片引起学生对本单元话题的兴趣，。 Acitvity 2 on page 31: Work in pairs. Discuss these statements and decide which statement is false. 1. Sandstorms begin in desert areas. 2. Deserts are created by climate changes. 3. Deserts are also created because people cut down trees and dig up grass. 4. Sandstorms from Asia have blown across the Pacific Ocean to America. 5. Sandstorms can’t be prevented. 6. The inland region has more sandstorms than the one near the sea. Suggested answers: 1,2,3,4,6 T 5, F （教学步骤说明）：通过讨论让学生了解沙尘暴的背景知识，掌握一些有关单词，短语以及句型的用法。 Step 2: Reading【个人探究】 1. Warming up Ask the students to look at some pictures about sandstorms.
（教学步骤说明）：图片新颖，直观，有利于教学过程的实施，通过对沙尘暴图片的展示，引起学生学习课文的兴趣。 2. Listening First, give two questions about this passage. 1). What is a sandstorm? 2). Which two people were mentioned in the passage? Next, Get the students to listen to the tape , then find the answers before listening. （教学步骤说明）：简要的问题使学生对文章内容有大概的了解，抓住文章的大概意思，为下一步的careful reading 奠定基础。 3. Fast reading Ask the students to read the passage fast and loudly and to finish the exercise in 名师伴你行 on page 50, to find the main idea of each paragraph. Para.1_____ Para.2_____ Para.3_____ Para.4_____ Para.5_____ Para.6_____ A. Sandstorm in China appear to have increased in recent yearss as a result of “desertification”. B. Though the sandstorm can be predicted weeks ago, its stength can surprise people. C. What the sandstorm is and the Central Asia is one of the fourth main places. D. What the government to do prevent the desert coming near. E. Sandstorms have been a major disaster for many Asia country tries for a long time. F. Sandstorms can affect Beijing. Suggestion answers: Para.1—-E Para.2—-C Para.3-—A Para.4—F Para.5 — B Para.6—D （教学步骤说明）：通过判断文章的段落大意，对文章的全文意思进行了解，为下一步的careful reading 奠定基础。 4. Careful reading Ask the students to read the passage again and carefully. Ask the students to answer some questions about each paragraph. Para.1 Where have sandstorms been a major disaster? And what about in China? Para.2 1. What will happen if the wind is so thick? 2. Where are the four main sandstorm places in the world? 3. How does Ren Jianbo describe the sandstorm he experienced? Para.3 1. Where does it occur in China? And where do sandstorms begin? 2. Have sandstorms in China increased recently? Why? 3. What are factors(因素) that cause land to become desert? Para.4 How do sandstorms sometimes affect Beijing? Para.5 1. What do the weather experts advise people to do？ 2. How does Huang Xiaomei describe the sandstorm she experienced? Para.6 1. How far is the desert away from Beijing? 2. What measures should the government take to prevent sandstorms coming? （教学步骤说明）：这是对文章的细节理解，通过问问题是学生进一步了解沙尘暴这种自然灾害。 5. Post reading Take out your English Coaching Paper, open the Progress E and finish 课本小帮手。Require them
(教师用书)高中英语 Module 4 Sandstorms in Asia教案 外研版必修3
Module 4 Sandstorms in Asia【美文阅读】How to Survive a SandstormSandstorms are among nature's most violent and unpredictable phenomena(现象)．High winds lift sand into the air，reducing visibility(能见度) to almost nothing in a few seconds.Nearly all dust storms are capable of causing property damage，injuries，and deaths.No matter where you live，it's a good idea to know what to do if you see a wall of sand racing toward you.Here are some tips for you.Be prepared.If you are in a stormy area，carry a mask designed to remove small sand，and bring airtight goggles(密封护目镜) to protect your eyes.It's also wise to carry a supply of water in case you are tracked in a storm.Dust storms are usually accompanied by high temperatures，and you can quickly become dehydrated (脱水的)in the dry heat and high winds.Wear or carry clothing that covers your body to protect yourself from the sandblasting，and to keep warm.Outrun(比……跑得快) the storm.If you see a sandstorm from a distance，and you are in a vehicle or have access to one，you may be able to outrun it.Some sandstorms can travel at more than 75 miles per hour，but they often travel much slower.Trying to outrun astorm，however，is not advisable if you have to put yourself at risk by traveling at high speed.If the storm is catching up with you，it's best to stop and prepare for it.Take cover and stay still.Do not attempt to move about in a storm，as you will not be able to see potential danger in your path.If you're in a house，stay inside.If you can quickly reach such a place before a sandstorm reaches you，get there as quickly as possible.Close all windows and doors，and wait out the storm.If you're in a vehicle，roll up the windows and turn off the vents that bring outside air in.If you are outside，seek out a large rock to protect yourself at least partially.Protect yourself from flying objects.Cover as much of your body as possible to protect yourself from flying sand.In addition，while the sand can hurt，a sandstorm's high winds can also carry heavier(and hence more dangerous) objects.If you find yourself no place to stay，try to stay low to the ground and protect your head with your arms, or a backpack.【诱思导学】Sandstorms have been a major disaster for many Asian countries for centuries.What should we do to reduce or stop sandstorms?【答案】Students' own answer.Period ⅠPreviewing●教学目标本课时主要是通过学生对学案所给出的内容的学习，了解本课文中所出现的词汇，初步了解课文以及相关的背景知识，对下一堂课对课文的全面理解起到一个铺垫作用。
高中英语Module4SandstormsinAsia英美文化欣赏教案(含解析)外研版必修3
高中英语Module4SandstormsinAsia英美文化欣赏教案（含解析）外研版必修3【导读】《双城记》是英国作家查尔斯·狄更斯所著的一部以法国大革命为背景的长篇历史小说。
故事中将巴黎、伦敦两个大城市连结起来，围绕着马内特医生一家和以德法日夫妇为首的圣安东尼区展开故事。
A Tale of Two Cities(excerpt)In Monsieur De farge's wineshop in Saint Antoine customers came and went all the time.They came to drink the thin，rough wine，but more often they came to listen and to talk，and to wait for news.One day there were more customers than usual.Defarge had been away for three days，and when he returned that morning，he brought a stranger with him，a man who repaired roads.“Madam，”Defarge said to his wife，“this man，who is called Jacques，has walked a long way with me.”One customer got up and went ou t.“This mender of roads，”continued Defarge，“who is called Jacques，is a good man.Give him something to drink.”A second man got up and went out.The man who repaired roads sat down and drank.A third man got up and went out.“Have you finished，my friend？”said Defarge.“Then come and see the room I promised you.”They went upstairs，to the room where Dr Manette had sat making shoes.The three men who had left the wineshop were waiting.Defarge spoke to them：“No names.You are Jacques One，Jacques Two and Jacques Three.I am Jacques Four.This is Jacques Five.He brings us news of our poor friend Gaspard，whose child was killed by the Marquis's coach a year ago.”“I first saw Gaspard，”said Jacques Five，“holding on under the Marquis's coach as it drove into our village.He ran away，but that night the Marquis was murdered.Gaspard disappeared and was only caught a few weeks ago.The soldiers brought him into the village and hanged him.And they have left his body hanging in the village square，where the women go to fetch water，and our children play.”,《双城记》(节选)在圣安东尼德法日先生的酒店里，顾客们来来往往络绎不绝。
高中英语 Module 4 Sandstorms in Asia教案 外研版必修3共41页
Module 4 Sandstorms in Asia【美文阅读】How to Survive a SandstormSandstorms are among nature's most violent and unpredictable phenomena(现象)．High winds lift sand into the air，reducing visibility(能见度) to almost nothing in a few seconds.Nearly all dust storms are capable of causing property damage，injuries，and deaths.No matter where you live，it's a good idea to know what to do if you see a wall of sand racing toward you.Here are some tips for you.Be prepared.If you are in a stormy area，carry a mask designed to remove small sand，and bring airtight goggles(密封护目镜) to protect your eyes.It's also wise to carry a supply of water in case you are tracked in a storm.Dust storms are usually acpanied by high temperatures，and you can quickly bee dehydrated (脱水的)in the dry heat and high winds.Wear or carry clothing that covers your body to protect yourself from the sandblasting，and to keep warm.Outrun(比……跑得快) the storm.If you see a sandstorm from a distance，and you are in a vehicle or have access to one，you may be able to outrun it.Some sandstorms can travel at more than 75 miles per hour，but they often travel much slower.Trying to outrun astorm，however，is not advisable if you have to put yourself at risk by traveling at high speed.If the storm is catching up with you，it's best to stop and prepare for it.Take cover and stay still.Do not attempt to move about in a storm，as you will not be able to see potential danger in your path.If you're in a house，stay inside.If you can quickly reach such a place before a sandstorm reaches you，get there as quickly as possible.Close all windows and doors，and wait out the storm.If you're in a vehicle，roll up the windows and turn off the vents that bring outside air in.If you are outside，seek out a large rock to protect yourself at least partially.Protect yourself from flying objects.Cover as much of your body as possible to protect yourself from flying sand.In addition，while the sand can hurt，a sandstorm's high winds can also carry heavier(and hence more dangerous) objects.If you find yourself no place to stay，try to stay low to the ground and protect your head with your arms, or a backpack.【诱思导学】Sandstorms have been a major disaster for many Asian countries for centuries.What should we do to reduce or stop sandstorms?【答案】Students' own answer.Period ⅠPreviewing●教学目标本课时主要是通过学生对学案所给出的内容的学习，了解本课文中所出现的词汇，初步了解课文以及相关的背景知识，对下一堂课对课文的全面理解起到一个铺垫作用。
外研版高中英语必修3《odule 4 Sandstorms in Asia Writing》优课导学案_18
Book 3Module 4 Sandstorms in Asia Period 5 writing 教学设计一．本课分析本课为外研版高中英语必修3模块4的写作教学内容。
本模块以Sandstorms in Asia为话题，介绍了亚洲国家遭受沙尘暴的主要情况。
本节写作课选取某个环境问题为题，要求学生对其进行描述并提出自己的建议。
教师通过本课教学，使学生掌握就某一环境问题进行描述并阐述自己观点的写作方法。
二．学情分析本课授课对象为高一年级学生。
学生通过半年的高中英语学习，已经掌握了不少用于提建议的句式，另外对环境污染和环保问题也通过学习、新闻报道等有一定的了解。
但对于这类文章的写作模式以及使用英语描述问题的能力还有欠缺。
本课教学重点设计在这两方面的写作训练。
三．设计思路这是一节写作课。
首先通过身边的环境问题报道引出话题，并做好情感方面的铺垫。
通过sample writing给学生以启发，总结出来这类文章的写作模式。
再通过针对范文的一些问题设计，帮助学生在如何描述一个环境问题及如何提建议方面有所突破。
四．三维目标Knowledge and SkillsTo enable the students to write a passage describing one environmental problem.To enable the students to practice some useful expressions.Process and StrategiesThrough the analysis of the steps in writing a passage about one environmental problem, the students may learn some strategies on describing environmental problems.Feelings and ValueAfter learning this lesson, students are aware of the importance of protecting the environment and put their suggestions into practice in their daily life.五．教学重难点Learn to describe one environmental problem and say what we should do about it.Learn how to organize the information we get into a passage.六．教学方法Explanation and asking&answer showing七．教学辅助设备Multimedia and blackboard.八．教学步骤Step 1 Lead-inT: We have some basic English learning skills, what are they?S: Listening , speaking, reading and wring…T: Which skills can show that you are a good student in an examination?S: Reading and writing.T: Yes, today we will study together. And teach ourselves to write a good article. First, Let’s look at a vedio. Remember after watching, we need to write something about the vedio. The more the better, but at least one sentence. We’ll check together.Step 2 Decide the topic to write onTask1: The reporter is interviewing the person about how he/she feels when cycling in a sandstormStep 3 Tell students the structure of their writingTask2:The reporter is interviewing the worker and tries to make him realize the bad effects on the environment of cutting down treesStep 4 Show students how to support their idea in detailsTask3: The reporter is interviewing the volunteer on his/her opinion on the environmental protection.Step5 WrtingPracticing& showingStep6 Summary and AssignmentTask:（任务设置和写作展示＋课后提高）Design a posterthat encouragespeople to protectthe environment教学反思：学生经过这样的一节写作课，积累了素材，提升了能力。
高一英语外研版必修3课堂学案：Module4SandstormsinAs
课堂导学问题导读Sandstorms in Asia1.What is the best description about a sandstorm according to the passage?A.It is a major disaster for many Asian countries for centuries.B.It is strong wind carrying sand.C.It is a way to cause land to become desert.D.It is a kind of natural disasterthat can’t be treated.答案：B2.What is the main reason for the increase of sandstorm in China recently?A.To be close to many deserts.B.The worsening of the weather in China.C.The result of desertification.D.People cutting down trees and digging up grass.答案：C3.What effects are sandstorms bringing to people living in cities?A. The whole city is usually covered by thick and yellow dust.B. Traffic moves very slowly.C. People can’t breath well and the dust makes them ill.D. All above.答案：D4.What is the best way to avoid the effects from the sandstorm?A.To live far away from deserts.B.To stay at home when a sandstorm happens.C.To wear mask if you want to go out.D.To plant more trees.答案：D5.Which of the following is not the element to make Central Asia, North America, Central Africa and Australia the four main places where there are sandstorms?A.The climate in these places is rather bad.B.They are all the places with big deserts.C.The natural environment in these places is worsening every year.D.The governments in these places paid little attention to the protection of nature.答案：D【开放性问题】Have you ever been in a sandstorm? Do you think it frightening? What is the advice you want to give to the people around?难句透视1.Scientists have tried many ways to solve this problem and in China, a mass campaign has been started to help solve it.科学家已经采用许多的方法来解决沙尘暴的问题，在中国，一场大规模的整治沙尘暴战役开始了。
高中英语 Module 4 Sandstorms in Asia Period 1教案 外研版必修3
Module 4 Sandstorms in Asia 单元规划话题任务1. Talk about the sandstorms in Asia, especially in China.2. Talk about the ways to express one’s feelings.3. The Green Movement—organized to protect the environment.4. Design a poster that encourages people to look after the environment.教学重点单词sandstorm; frightening(吓人的；可怕的); inland; mass; campaign;dune; desertification; process(进程；过程); citizen; dust;forecast(预报, 预告); strength(力量, 力气); cycle; mask;atmosphere; carbon dioxide; chemical(化学药品); environment(环境); garbage; melt; pollution(污染); recycle; coastal;concerned(关心的; 担心的); evidence; major(主要的; 多数的);urgent; pollute(污染); complain; nutshell; scary(的, 吓人的);absolutely; protection(保护)短语cut down; be caught in(被困住); one after another; have a bad effect on(对……有坏影响); take in; give out; in a nutshell;look through(浏览); as a result of(作为……的结果); dig up; wakeup to; go to work句型 1. They are often so thick that you cannot see the sun. 如此……以至于……(结果状语从句)2. There was nothing to be done (不定式作后置定语)3. Sandstorms in China appear to have increased in recentyears as a result of “desertification”. 看起来好像加剧了(连系动词appear的用法)4. I can’t help but feel very concerned. 不由得感到……(but+infinitive)5. I couldn’t agree with you more. 非常同意你所说的话。
外研版高中英语必修3《odule 4 Sandstorms in Asia Grammar》优课导学案_13
Match the key words with the main idea of each paragraph
2.detቤተ መጻሕፍቲ ባይዱiled-reading
Read Para.2-6and answer
What are sandstorms?
What are the causes of sandstorms?
2.词汇巩固造句
运用新词汇进行与话题有关的造句，并在小组内进行比较，选出最好的句子与大家分享。
3．小组展示活动
每小组以不同身份向大家介绍沙尘暴的相关知识，并思考应通过什么措施解决沙尘暴问题。
1.通过小组活动的形式，让学生学会将新学词汇进行归类总结。
2.通过造句进一步巩固所学词汇，并对沙尘暴的定义，原因，影响，措施进行了一定程度的复述。
cut down ; dig up ; thick dust ; forecast cycling ; mask ; experts’ advice ; prevent
四类分别为
definitioncause effect measure
每小组随机抽取需要归类的类别，之后将本类别对应的词汇挑选出来。
课中
Step I lead-in(引入)（5min）
1.提出问题Whatnatural disastersdo you know?
2.Guessing Game根据提示信息猜测对应单词并引出关键词sandstorm.
3.展示沙尘暴的图片
设计意图：
通过提示信息引出话题并为学生铺垫沙尘暴的背景知识。
Step IIReading(12min)
1.通过细节阅读，让学生学会从文字材料中获取信息的能力。
高一英语外研版必修3Module4SandstormsinAsia教案含答案.doc
Module 4 Sandstorms in AsiaPeriod 1Teaching goals1. Target language(A) important vocabulary and phrasesblow, bury, frightening, last(v), sandstorm, dig, protection, sign, earthquake, cut down, give out, dig up(B) important sentence structureI couldn"t agree with --------- ,You are /It is absolutely right ------- ,I have no idea ......... ,Give one 〃s ideas ----- ,We should/ need to/ must-■一,2. Ability goalsEnable the students to talk about sandstorms and the importance of protecting environment3. Learning ability goalsHelp the students to how to talk about the sandstorms, the reasons for causing san dstorms and the im porta nee of protecti ng environment.Teaching important points:L How to describe san dstorms and environ mental protecti on2. How to express one's opinionsTeaching difficult pointsLearn to look for the general idea and specific information.Teaching aidsA tape recorder and a computerStep 1 Revision1. Check the homework2. Ask students to read the words together and check their pronunciationStep 2 Pre-listeningT: Good morning, everyone. Today we are going on to study a new module, Module 4 Sandstorms in Asia • I will show you some pictures of sandstorms.Talk about them in your words ・Show them some pictures ・I think ------ , It's extremely serious It couldn't ------- , In my opinion, we-— the sandstorms, the reasons for causingT: NolSI: In the first picture I can see a woman is riding a bike hard. The sky is yellow. T: Can you see the buildings clearly?S2： No, I Can't see them, they are not clear.T: Look at this picture, can you describe it?S3: I can see many people riding bikes wearing masks・ The weather is very cold, so they wear gloves and more clothes・Step 3 Warming upT: Open your books on Page 31. Look at the pictures in your books・S: There is a strong wind carrying sand in the sky .and a car covered with sand with running slowlyT: Right・ Now complete the sentences using the words in the box .Three minutes late , check the answersAnswers: sandstorms 」asts・ frightening . blows ・T: From this short paragraph ,we can see sandstorms is very frightening , Have you everexperieneed the sandstorms ?How is it created? Now please look at the words inthe box ・Explain the meanings of the words in class together .Then divide the whole class into four groups to discuss the questions in Activity2. At last, call back the answers・Step 4 Pronunciation and FunctionNow liste n to the tape and ask students to un derli ne the words stressed and con elude when and where the word will be stressed .Then ask students to practice Activityl&2. Listen again to check the answers・Ask students to complete the sentences in EX3 using expressions from EX1&2Step 5 TalkingSuppose you are a citizen. There is a sandstorm in you city・ A reporter wants to interview you about this sandstorm・ Make a dialogue about your interview with your partner.SI:S2:Step 6 Homework1.Write a composition according to the pictures.2.Write a short passage to describe the pollution around you.Period 2Teaching goals1< Target language(A) important vocabulary and phrasesmass, dune, desertification, citizen, dust, forecast, cycle, mask, affect, strengthen, situation, survive, start to ............ , wake up to ............... ,advise sb (not) to do sth, one after another.(B) important sentence structureScientists have tried many ways to solve the problem and in China a mass campaign has been started to help solve it.You just had to hope you'd survive・This is a process that happens when land becomes desert because of climate change and because people cut down trees and dig up grassWeather experts advise people not to go outTo be cycling in a sandstorm is frighteningThere was nothing to be done2.Ability goalsImprove the students" ability to read for specific facts・ Know the cause and result ofthe sandstorm, and what to do in sandstorm and foster their sense of responsibility of protecting the environment・3.Learning ability goalsHelp students to learn how to describe a phenomenon and express the feeling.Teaching important points1,Learn some characters and result of the sandstorm・2,Ask students to think ways to protect the environment.Teaching difficult points1,Discuss the answers to the questions・2,Generalize the characteristics of sandstorm・Teaching aidsA tape recorder and a computerStep 1 Greeting and RevisionCheck the students' homework by asking some of the students to read their short passage about pollution around them・T: Good morning/afternoon, boys and girls. Who want to share your short passage about the pollution around them?Ss: I'd like to. Our earth used to be a beautiful place・Thick trees and green grass covered the hills and the earth was the best home for birds and animals What a beautiful scene it was! However, as time went on, people destroyed the forest to grow crops・ What were worse, people let their cattle eat up the grass・ So you can see a stretch of wastela nd in stead of gree n hills, str ong wind blow away the rich soil that lies on the top of the field. We do hope all the people will take good care of our forests and plant more trees to improve the environment in which we are living .I'm sure as long as we try every possible means, we're sure to have a beautiful environment again.T: Excellent! Thank you. Yesterday, we have talked about something about sandstorm.Today, we are going to learn more about it. Open your books on Page 32. Have you previewed it?Step 2 Pre-listeningT: Now, I will give you five minutes and read the whole passage quickly, find the questions on the top of this passage1,There is a terrible sandstorm.2,She wears a mask, scarf, and heavy clothes・ Because there is a strong sandstorm・3,Traffic moves very slowly because the thick dust makes it difficult to see・4,The expert advises people not to go out.After five minutes, check the answers.T: Now, who'd like to talk about the first question? Volunteer?SI: I'd like to try. -------S2: --------S3: --------S4: --------Step 3 ReadingT: Turn your books on Page 33. Look at the Activity 2and 3, read the text quickly again and complete the activities. Three minutes.Skimming: cycle (v), expert, process, citizen, dust, survive, forecast, situation, b, b, a, a. After 3 minutes, ask some students to check the answers・Intensive reading:T: Read the whole passage very carefully and complete Ex. 4 and 5 On Page 33. While reading the underline phrases and sentences that you think are importsnt・ Read it silentlyand try to get the general idea of this passage.Ten minutes:1.The winds in a san dstorm can sometimes be strong eno ugh to move sand dunes.2.When Ren jianbo was living in Inner Mongolia he experieneed a terrible sandstorm in desert.3.Sa ndstorms in China appear to have in creased in recent years as a result of "desert ificatio n".4.Cutting down the trees and digging up the grass can cause the climate to change and make the land become desert.After 10 minutes ask students to check the answers and show the answers on the scree n. 1: forecasted 2: frightening3: survived 4: dustStep 4 ExplanationDuring the procedure, the teacher will explain the text and deal with Ianguage points.T: We have gotte n the main ideas of the text, and gen era I idea of each paragraph. Nowlet's deal with some Ianguage points. Who have any difficulties with the text? I'll give you three minutes to look through the text, and then mark the difficulties・ Three minutes later,・T: Who has any difficulties?SI: Would you please explain "you just had to hope you'd survive"? What's the meaning of "survive"?T: Good question. "Survive" means continue to live or exist." For example, "Many str a nge customs have survived from earlier times/7Ss: ------T: -------Step 5 Homework:L Read the whole passage.2. Write a summary of the text.Period 3Teaching goals 教学目标1.Target language 目标语言(A) important vocabulary and phrasesatmosphere, carb on, dioxide, chemical, environment, garbage, melt, pollution, recycle, coastal, con cer ned, evide nee, major, urge nt, pollute.(B) important sentence structureTrees take in carb on dioxide and give out oxyge n.What happened to your rubbish?What need to be done to improve the situation?2・Ability goals能力目标Enable students to understand the damage caused by the natural disaster.Enable stude nts to have a good un d erst a nding of the imports nee of the protect! ng envir onment.3.Learning ability goalsEnable students to take some measures to protect our environmentTeaching important pointsListen to the speech about environmentai situation made by an expert and different measures taken by different countries・Teaching difficult pointsListen for correct information and find out ways to solve the problems.Have a further discussion on dealing with rubbish・Teaching methods1,discussion.2,listening.3,Cooperative learning.Teaching aids教具准备A tape recorder and a computerStep 1 RevisionCheck the homework exercises on Page 85Choose the best answers1,Such people are _________A, respect B, to respectC, to be respecting D, to be respected2,There is nothing to do but ________ till it stops snowing・A, to wait B, waitingC, wait D, waits3,Km sorry _______ you so much trouble・ And thank you for your help・A, to give B, to have givenC, giving D, gave4,Tom is said _______ a broad, but now I don't know what country he studied in.A, to have studied B, to studyingC, to be studying D, to have been studying5,____ late in the morning, Bob turned off the alarm.A, To sleep B, SleepingC, Sleep D, Having sleepKeys to the exercise:l t D 2, C 3,B 4,A, 5, AStep 2 listening and vocabulary (Page 35)Deal with the vocabulary first to make preparations for listening. Then the students will hear a speech about environmental problems made by an expert. Then solve all the questions in this part.T: First, let's have a revision of some words. Take out your exercises book and we will have a dictation. Write down the words that you hear. Listen to me carefully. No 1.What's the air around the earth called?S: AtmosphereT: Ok. Write down the word・ The second one, when we breathe, we breathe in oxygen and breathe out ________S: Carb on dioxide ・T:S:T:S:(Play the tape)T: Have got the answers?s：T: Let's listen to the tape again. Please pay attention to the questions.(Play the tape again)T: Have you got the answers?S: Yes.T:Step 3 Listening and speaking (WB P88)1. Activity 12. First make sure the students understand all the words・ Then matchthe words with the definition.2.Activity 13. Ask the students to read through the six questions.3.Activity 15・ Ask the students to work in pairs and make a list of things thatthey have thrown away in the last week. Give them some types to choose・4.Activity 16. Discuss the following questionsStep 4 WorkbookAsk the students to finish the exercises・ Check the answers with students. Step 5 HomeworkFinish the exercises on the blackboard (translation)。