外研英语必修第三册__Book3__Module4__Sandstorms_in_Asia_课件.ppt

1、Module 4 Book 3,Sandstorms in Asia,课时划分,Period 1：Introduction, Speaking 1 Period 2：Reading and Vocabulary, Period 3：Vocabulary and Listening, Pronunciation and function, Everyday English Period 4：Grammar 1 and Grammar 2 Period 5：Cultural Corner, Speaking 2 Period 6：Writing, task, Module File,Period

2、1 Introduction, Speaking 1,Dou you know what is Sandstorm?,Pair work Ask Ss to look at the picture on P31 and let them work in pairs to make sure of the meanings of the words. And then complete the sentences. There has been a _ . It _ for ten hours and was very _. The wind _ the sand high around the

3、 houses, and some cars were almost completely _ by the sand.,sandstorm,has been blowing,frightening,was blowing,buried,Group work Ask Ss to discuss these questions. (1)What should you do in a sandstorm to protect yourself? (2) Which do you think is more dangerous, an earthquake or a sandstorm? Say w

4、hy. (3) Where in China do sandstorms begin? (4)If you are in a desert, what is the first sign of a sandstorm? (5)Have you ever been in a sandstorm? If yes, describe it to your partner.,Speaking 1,Look at some pictures, and discuss the following Qs in groups.,(1) What is happening in the pictures? (2

5、) Do sandstorms often take place in your city? (3) What do you usually do when you cycling to school in sandstorms? (4) What about the traffic in sandstorms? (5) What about the sky and the air in sandstorms? (6) Do sandstorms affect your study and life? (7) What is your feeling in sandstorms?,Pair w

6、ork Suppose you have just experienced a sandstorm, and a reporter is interviewing you. Now perform the interview for the class.,Homework 1. Collect more information in English about sandstorms. 2. Practice describing sandstorms. 3. Preview Reading and Vocabulary.,Period 2 Reading and Vocabulary,Watc

7、h a short film about sandstorms and answer some Qs.,Qs: (1) What is happening? (2) What are the people wearing and why? (3) What is happening to the traffic? Why? (4) Suppose you are an expert, what will you advise people to do in this situation?,First-reading,Read the passage quickly and decide how

8、 to divide the whole passage. Choose the correct answers. A. 1 / 2-4 / 5-6 B. 1-2 / 3-4 / 5-6 C. 1 / 2-5 / 6,Read the passage again and decide the main idea of each paragraph.,Second-reading:,Major disaster in Asia-Sandstorms,The description of sandstorms.,The causes of sandstorms.,The influence of

9、sandstorms.,The forecast and suggestions of sandstorms.,The measures taken by the government.,Third-reading.,Read the passage carefully in pairs and check the meanings of the new words or difficulty words with each other. If you have difficulty, they may refer to the dictionary.,Find words to match

10、the definitions.,1. to ride a bicycle_ 2. someone who knows a lot about a particular subject _ things that happen one after another, and have a result_ 4. someone who first lives in a particular town or country _ 5. very small bits of dirt or earth, on the ground or in the air_ 6. to continue to liv

11、e after a difficult or dangerous situation or event_,cycle,expert,process,citizen,dust,survive,7 to say what will probably happen_ 8 everything that is happening at a particular time _ 9 sand hills_ 10 to cause a change_ 11 something that is worn over ones face_ 12 the noun form of strong_,forecast,

12、situations,sand dunes,affect,mask,strength,Listen to the passage and complete the sentences. The winds in a sandstorm can sometimes _ 2. When Ren Jianbo was living in Inner Mongolia _ 3. Sandstorms in China appear to have increased _ 4. Cutting down trees and digging up grass can _ 5. Traffic moved

13、very slowly because _ 6. The government is planting trees to the west of Beijing to_,prevent you from seeing the sun,he experienced a terrible sands,because of desertification,cause deserts and sandstorms to increase,the drivers cannot see,prevent the desert coming nearer.,Work in pairs and find sen

14、tences in the passage to replace the follow sentences.,1. Ren Jianbo is form Inner Mongolia. He described a terrible sandstorm that he experienced in the desert when he was a child. 2. When citizens wake up, they find that the sky has an orange color and there are strong winds with thick, brown-yell

15、ow dust.,Ren Jianbo, form Inner Mongolia described a terrible sandstorm he experienced as a child in the desert. (Paragraph 2, Page 32),Citizens wake up to an orange sky and strong winds that cover the city in a thick, brown-yellow dust. (Paragraph 4, Page 32),Language points,1. To have been caught

16、in a sandstorm was a terrible experience. be caught in突然遭到(雨,风暴等) be caught in the heavy rain/snowstorm/traffic. He was caught in the heavy snow on his way home last night. 常用词组： catch sb. doing sth. 撞见/发现某人正在做 catch up with 赶上,2. There was nothing to be done. 什么也干不了。 这是一个动词不定式作定语的there be 句型,动词不定式用

17、主动和被动都可以,但也略有区别.当说话人考虑的是必须有人去完成某事时，用主动；如强调的是事情本身必须完成，则用被动。 eg. There was nothing to be done （某东西坏了，无法使之恢复） There was nothing to do. (无事可做，十分乏味) There is a lot of work to do. (Somebody has to do the work.) There is a lot of work to be done. (The work has to be done.),3. Sandstorms in China appear to

18、have increased in recent years as a result of “desertification”. as a result of 因为-的结果 eg. He got ill as a result of the bad weather. as a result 因此 eg. As a result, he got a great success in his experiment. result from 因于， 因-而起 eg. His success resulted from his hard work. result in 致使， 导致，造成-的结果 eg

19、. His hard work resulted in his success.,4. This is a process that happens when land becomes desert because of climate changes and because people cut down trees and dig up grass. cut down砍倒, 削减(数量,开支) eg. Enough has been done to stop people cutting down many trees. dig vt. dig-dug-dug eg. They dug a

20、 small hole in the sand to bury their eggs dig up / dig out 掘出；挖出；发掘 eg. He has dug up some vegetables. We have to dig out the car from the snow.,5. The storms sometimes continue all day and traffic moves very slowly because the thick dust makes it difficult to see. make it + adj.(n.) + (for sb.) to

21、 do to do为真正宾语，it是形式宾语。 eg. The holes in the window made it very hard to keep the room warm. This has made it necessary for us to learn English well.,6. - but the strength of the storm sometimes surprises people. surprise vt. 使惊奇，使震惊 eg. That he cheated in the exam surprised me. The news surprised m

22、e. 类似的动词还有：excite, disappoint, frighten, interest, etc.,7. To prevent it coming nearer, the government is planting trees. 为阻止沙漠的逼近，政府已经开始植树。 prevent - （from）doing-防止或阻止-干- 类似的短语还有： stop -(from) doing-, keep- from doing- eg. His advice prevented me from making a serious mistake. The heavy rain stoppe

23、d me from going shopping.,Post reading: Discussion Work in pairs and discuss these Qs. 1. What do you know about sandstorms in Beijing? 2. What caused sandstorms? 3. What can we do to stop sandstorms?,HomeworkFinish the Reading Exercises in the Workbook on Page8788.,Period3,Vocabulary and Listening,

24、 Pronunciation and Function, Everyday English,Match the words with the definitions.,1. the air around the earth _ 2. to have a bad effect on someone or something _ 3. a substance used in chemistry _ 4. the natural world - the land, air, water, plants and animals _ 5. to change from solid to liquid,

25、e.g. ice becomes water_ 6. to treat something so that we can use again _ 7. one of the gases in the air _ 8. the most northern and southern points on earth _ 9. rubbish _ 10.damage to the environment because of chemical _,atmosphere,damage,carbon dioxide,environment,melt,recycle,the Poles,garbage,po

26、llution,chemical,Listening,Listen to an environmental experts speech and put the following topics in the correct order. A garbage B trees C pollution from cars D melting ice at the Poles E the climate,A,B,C,D,E,Check and explain the meaning of the words in the box.,Listen again and ask the Ss to ans

27、wer the Qs. What is the most urgent problem of all? 2. What example of coastal cities does David give? 3. Why is the climate getting warmer? 4. What is described as a major problem? 5. What happens when we cut down a lot of trees? 6. How does the interviewer feel about the situation?,The climate.,Ne

28、w York and Shanghai.,Because pollution is stopping the suns heat leaving the atmosphere.,Carbon dioxide from cars.,There is less oxygen and more carbon dioxide in the atmosphere.,Optimistic.,Listen again and complete these sentences. 1. As a result, the ice at _ is beginning to melt. 2. The sea may

29、rise and cities on the coast may _. 3. Too much carbon dioxide pollutes the _. 4. Trees take in _ and give out_. 5. We _ garbage and pollute the atmosphere. 6. Instead, we should _ the garbage.,the Poles,disappear (under water),atmosphere,carbon dioxide,oxygen,burn,recycle,Think about : Think about

30、the following Q. As a senior high student, what should we do to improve our environment?,Pronunciation,Discuss the stress of the sentences and underline the stressed words. And then listen to the tape and check the answers. I couldnt agree with you more. I think youre absolutely right. Its extremely

31、 serious. I have no idea. It couldnt be worse. Its absolutely hopeless.,I couldnt agree with you more. I think youre absolutely right. Its extremely serious. I have no idea. It couldnt be worse. Its absolutely hopeless.,Function,The sentences above can be used to express strong opinions. Finish Acti

32、vity 3 using the sentences. A: We need to plan more trees. B: _. 2. _. The traffic in this city just doesnt move. 3. A: People dont care enough about the environment. B: _. 4. _. I cant see anything. Theres sand everywhere.,I couldnt agree with you more. / I think youre absolutely right.,It couldnt

33、be worse. / Its absolutely hopeless.,I couldnt agree with you more./ I think youre absolutely right.,It couldnt be worse. / Its absolutely hopeless.,Everyday English,In a nutshell means to explain something very simply. Its scary means its frightening. Ill do my best means Ill try as hard as I can.

34、From what I understand means this is what I understand. Youre absolutely right means youre completely right.,Homework.,Finish the Vocabulary exercise in the Workbook on P86.,Period 4. Grammar 1, Grammar 2Infinitive and but + Infinitive,Divide the examples in Activity 1 on Page34 into two groups. The

35、 sentences in group use the active voice and those in the other group use the passive voice.,Group 1: The wind is strong enough to move sand dunes. b) We were advice not to go outside. Its frightening to be cycling to work in a sandstorms. d) I am the only person in my family to have been in a sands

36、torm.,Group 2: e) Theres nothing to be done. F) To have been caught in a sandstorm was a terrible experience.,Observe the various forms of the infinitive and find the rules of the formation.,Rewrite the Ss using infinitive structures. 1. Im traveling during a sandstorm. Its dangerous. Its dangerous

37、to_. 2. Experts hope that the will learn more about the movement of thunderstorms. Experts hope to_ 3. We were told, “Dont leave the house.” We were told not to_ 4. The men need to complete the work on the house by the end of the week. The work on the house needs to_ 5. It seems that most houses hav

38、e been destroyed by the storm. Most houses seem _,travel during a sandstorm.,learn more about the movement of thunderstorms.,leave the house.,be completed by the end of the week.,to have been destroyed by the storm.,Put the verbs in brackets into the correct infinitive forms. 1. It is frightening _

39、(walk) in the road in a sandstorm. I hope I reach home soon. 2. Experts hope _ (learn) more about the movement of sandstorms. 3. Id like _(tell) about the situation before now. 4. The work needs _(complete) by the end of the week. 5. My father was out of the city when the sandstorm came. He was very

40、 glad _(miss) it. 6. The building has _(finish) by the end of the year. 7. _(see) a real sandstorm was very frightening.,to work,to learn,to be told,to be completed,to have missed,to be finished,To see,Conclusion. Discuss and make the following conclusion.,Translation.Translate the following sentenc

41、es.,妈妈警告我不要独自到河里游泳，因为太危险了。 我不想被别人看到穿这么糟糕的衣服。 不用假装在睡觉，我知道你醒着呢。 你似乎已经知道这个消息了，我就不必再告诉你了。,My mother warned me not to swim in the river alone because its dangerous.,I dont want to be seen in such an awful dress.,Dont pretend to be sleeping. I know you are awake.,You seem to have known the news. I dont ne

42、ed to tell you that.,Discuss the correct sentences in Activity2 on P36 and let them find the rules of the infinitive without “to”.,常见的关于不带的不定式的用法如下: cannot but; cannot choose but 与cannot help but 之后的不定式一般都不带to,常翻译成”不得不”. 在连词but之前如有动词do,其后的不定式不用to, 即: do nothing but do, 译为”只-”,但如果but之前的动词不是do,其后的不定式一

43、般不带to.,Translation.,那件事事关重大,我只好请警察来. 听到这个消息,他忍不住哭了起来. 我们不得不拒绝他的建议. 我不得不承认他对了,我错了.,The matter was so serious that I did nothing but call in the police.,Hearing the news, he cannot help but cry.,We cannot choose but refuse his proposal.,I could not but admit that he was right and I was wrong.,Homework

44、,1. Review Grammar1 and Grammar2. 2. Finish the Grammar exercises in Workbook on P85-86.,Period 5 Cultural Corner, Speaking2,Leading-in,Look at the picture on P39 and answer the Qs. What is the child doing? Why is he doing so?,Pair work,Read the passage and discuss the following Qs in pairs. Which c

45、ountries in Europe work hard to improve the environment? How do the countries in Europe try to improve the environment? What does the “Green” movement try to do? How does it work?,In Europe, Germany and northern European countries work hard to improve the environment.,They recycle everything, do dif

46、ferential collection of rubbish and have green movement.,The “Green” movement tries to get governments to think seriously about the environment and how to look after it.,It collects information about how industry is damaging the environment and gives this information to newspapers.,work in groups an

47、d discuss the following Qs.,Are there any organizations in China whose aim is to protect the environment? What do you know about these organizations?,Speaking,Enjoy some beautiful pictures.,Pair work:,Look at the following pictures and say what are bad for the environment. You may refer to the follo

48、wing words: damage, give out, environment, carbon dioxide, chemicals, pollute.,Group work,discuss the causes of environmental pollution and make a list. Then collect the information.,For your reference: 1. Serious air and water pollution. 2. Cutting down too many trees. 3. Desertification. 4. The gr

49、owing population of the world. 5. Climate changes. 6. Waste in the use of water. 7. High temperature and little rain. 8. Gas from the running cars. 9. Plastics in the rubbish.,Discussion,Work in pairs. Think of several things we need to do to improve the environment and say why. Compare the solutions with another pair. Then work in groups and choose two solutions that they are the most im