Module-4-Sandstorms-in-Asia-亚洲沙尘暴教（学）案.doc

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1、1/12T Teachingeaching planplanModuleModule FourFourSandstormsSandstorms inin AsiaAsiaTeachingTeaching Aims:Aims:1.1.KnowledgeKnowledge andand SkillSkilla.Get the students to review the violence of nature and know more about sandstorms and howto protect the environment.b.Through discussion and the co

2、mprehension of Reading,develop the students listening,speaking,reading and writing,mainly reading.c.Encourage the students to search the information on the Internet to gain more knowledgeof sandstorms and environmental protection.d.Improve the students ability to read for specific facts.e.To grasp t

3、he usage of infinitive,pay more attention to the usage of but+infinitive.2.Emotion2.Emotion andand ValuesValuesa.Enable the students to talk about the cause and influence of sandstorms，and the ways tosolve the problem in order to increase their sense of protecting the environment.b.To encourage the

4、Ss to talk about the damage caused by sandstorm and their own feelingsabout it.3.3.Cross-culturalCross-cultural awarenessawareness:a.Understand the environmental protection of the whole world and strengthen their awarenessof environment protection.4.4.Character-building:Character-building:a.To stren

5、gthen their confidence of protecting the environment we are living in.b.Enable the students to talk about the sandstorms,the reasons for causing sandstorms andthe importance of protecting environmentDifficultiesDifficulties andand Importance:Importance:a.Conclude and collect the words and phrases re

6、lated to environment and environmentalprotection.b.Ask students to think ways to protect the environment.c.Improve the students abilityof graspingthe general idea of the passage.TeachingTeaching Method:Method:a.a.Task-based methodologyb.b.Communicative ApproachTeachingTeaching Time:Time:Five periods

7、:Period 1 vocabulary and WritingSpeaking 1Period 2 Reading and VocabularyPeriod 3 Grammar 1 InfinitiveListening and VocabularyPeriod 4 Grammar 2 but+infinitiveEveryday EnglishPeriod 5 Cultural cornerSpeaking 2Writing2/12TeachingTeaching Procedures:Procedures:PeriodPeriod 1 1Step 1.Warming upLook at

8、the picture.Complete the sentences using the correct form of these words Then answerthe following questions.blowburyfrighteninglastsandstormThere has been a _.It _ for ten hours and wasvery _.The wind _the sand high aroundthe houses,and some cars were almost completely _by the sand.Suggested answers

9、:1.sandstorm2.has been blowing/has lasted3.frightening4.was blowing5.buriedQ1.What is a sandstorm?Q2.Whats the weather like when a sandstorm occurs?Q3.Whats the bad influence of a sandstorm?Suggested answers:Q1.Sandstorm is a kind of bad weather,which is becoming increasingly common in NorthwesternC

10、hina,and it usually happens in spring and fall.When a sandstorm comes,the wind blows stronglywith dust and sand.Q2.There is strong,dry wind and the sky is yellow.Q3.cars slow down and have to turn on headlight;the visibility dropsdifficult for us to breathedangerous to go out or driveStep 2 Further

11、understandingWork in pairs.Discuss the following statements and decide whether it is true or 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 Pacifi

12、c Ocean to America.5.Sandstorms cant be prevented.6.The inland region has more sandstorms than the one near the sea.Suggested answers:1,2,3,4,6 T5,FStep 3 DiscussionsQ1.Whats the cause of sandstorm?Q2.What should you do in a sandstorm to protect yourself?Suggested answers:Q1.climate changes;trees cu

13、t down;desertification;serious air and water pollution;the growing population of the world and so on.Q2:This is an open question.Step 4 SpeakingWork in pairs.Suppose there has been a bad sandstorm in your city.A:You are a reporter.You interview a man who has cycled to work in the sandstorm.Before yo

14、udo the interview,write down the questions you want to ask.3/12B:You felt frightened but you put on a mask and cycled to work in the sandstorm.Tell the reporterhow you feel about the sandstorm.Describe how things looked in the sandstorm.Homework:Homework:1.Memorize the new words related to sandstorm

15、s.2.Preview the passage of Sandstorms in Asia.PeriodPeriod 2 2Step 1 Pre-readinga.Look at the photo and answer the following questions.1.Get Ss to come up with as many words as possiblewhile looking at the picture.2.What is happening?3.What is the cyclist wearing and why?4.What do you think happened

16、 to traffic in this situation?Why?5.What do you think experts advise people to do in thissituation?Suggested answers:1.maskcyclecyclistdustcitizenfrighteningsandstorm2.There is a sandstorm blowing.3.She is wearing hoods,masks and glasses.4.The traffic moves slowly.Because its not clear to see everyt

17、hing on the road and peoplemust take great care.5.Experts advise people to stay at home in this situation.b.PredicationIf you are to write the article named“Sandstorms in Asia,how many parts will you includein it?What will you write in each part?Step 2 While-readinga.Skimming and scanningRead the pa

18、ssage quickly and fill in the diagram with one proper word.Part 1(Para1)d_Part 2(Para2-5)c_d_S_i_s_Part 3(Para.6)m_Suggested answers:Part 1disasterPart 2Sandstormcausedescriptioninfluence suggestionsPart 3measuresb.Detailed Reading1)Read the passage carefully and answer the following question.1 What

19、 are sandstorms?4/122 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 What does the government do to protect Beijing

20、from sandstorms?Suggested answers:1.Sandstorms are strong,dry winds that carry sand.2.Central Asia,North America,Central Africa and Australia.3.It is dangerous to go out when a sandstorm occurs.4.Yes.Northwest China.5.Increased.As a result of desertification.6.Because the thick dust makes it difficu

21、lt to see.7.Plant more trees.2)Read the passage carefully and then fill in the chart with suitable words.PartsContentDetails1majordisaster2descriptionCauseinfluencesuggestion3measuresSuggested answersPartsContentDetails1majordisasterAmasscampaign,tohelp solve sandstorm,triedmanywaystosolve it2descri

22、ptionStrong wind,dry,carrysand,So thick,cantsee the sunCauseDesertification,Climatechanges,cutdowntrees,digupgrassinfluenceOrangesky,strongwindssuggestionStay at home,wear amask3measuresPlant treesStep 3 Post-readinga.Decide if the following statements are true(T)orfalse(F).5/12Scientists have tried

23、 many ways to deal with sandstormsLand becomes desert only because people cut down trees and dig up grass.The Chinese Central West Station can not forecast sandstorm before it comes.The desert is 25o kilometers away to the west of Beijing.So there is no need to takesome measures.Southwest China is p

24、art of the sandstorm center in Central Asia.Suggested answers:1.T2.F3.F4.F5.Fb.Read the text again and complete the following sentences1.The winds in a sandstorm can sometimes_2.WhenRen jianbo was living in Inner Mongolia_3.Sandstorms in China appear to have increased _4.Cutting down trees and diggi

25、ng up grass can_5.Traffic moved slowly because _6.The government is planting trees to the west of Beijing to_Suggested answers:1.prevent you from seeing the sun2.he experienced a terrible sandstorm3.because of desertification4.cause deserts and sandstorms to increase5.the drivers cant see6.prevent t

26、he desert coming nearerStep 4 language explanations1 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

27、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

28、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。Step 5 DiscussionQ1.Sandstorms bring us not only“sand but also-?(traffic/health/travel/6/12environment)Q2.A

29、s a senior student,what should we do to prevent sandstorms?Homework:Homework:1.Write a summary of the whole passage.2.Finish the exercises 10,11 on page 88.PeriodPeriod 3 3Step 1 PresentationLook at the examples a-f.The underlined phrases are examples of different types of infinitive.a.The wind is s

30、trong enough.It can move sand dunes.The wind is strong enough to move sand dunes.b.We were advised,“Dont go outside.We were advised not to go outside.c.Im cycling to work in a sandstorm and its frightening.Im frightening to be cycling to work in a sandstorm.d.There is nothing anyone can do.There is

31、nothing to be done.e.I am the only person in my family who has been in a sandstorm.I am the only person in my family to have been in a sandstorm.f.Ive been caught in a sandstorm.It was a terrible experience.To have been caught in a sandstorm was a terrible experience.Step 2 ExplanationsI 动词不定式的时态和语态

32、形式时 态主 动被 动一般式to doto be done进展式to be doing完成式tohavedoneto have been done1.动词不定式的一般式：表示与主动词处于同一时间层面或动作发生于主动词之后。eg:He seems to understand what I saidI hope to visit Paris again.2.动词不定式的进展式：表示与主动词同时发生且动作正在进展。eg:The two cheats pretented to be working hard.3.动词不定式的完成式：表示不定式动作发生于主动词之前。eg:She seems to hav

33、e seen this film.He happened to have gone out when I went to see him4.动词不定式的被动式：表示与逻辑主语之间的被动关系。eg:The meeting to be held tomorrow is about how to stop the pollution.I want to have been told the news earlier.动词不定式的句法功能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

34、 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)7/124 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 scien

35、tists went to Germany to attend a medical conference.状语8 He was too excited to say anything.状语 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.辨析：It

36、 is+adj.+of sb+to do sth.;/It is+adj.+for sb+to do sth.差异：以上1结构中的 adj 是用来说明主语的特征的，并作其表语；而结构2中的 adj 是用来说明句中动词的特征的。Eg:Its foolish of you to do such things可转化为：Youre foolish to do such things.但:Its easy for you to learn English well不可以象上边那样转化。Step 3 Practices.Ex1.Fill in the blanks with the verbs in th

37、eir proper forms.1.Its very kind of you _ it for me.(do)2.My job is _ the students English.(teach)3.If you want _ with us,you should be ready by eight oclock.(go)4.I dare not _ him about it.(tell)5.He told me _ at six thirty.(leave)6.The children are warned _ in that lake.(not swim)7.Before you leav

38、e the room,please remember _ the light.(turn off)8.Youd better _(stay)at home and _(do)your homework.9.Its too hard _(do)it by myself.10.It takes about two hours _(get to)thestation.11.Its time _ our class.(start)12.I have a lot of things _ you.(tell)13.Im very glad _ you again.(hear from)14.The art

39、icle is not easy _.(understand)15.We didnt have time _ a rest.(to have)16.Ill try _ that again.(not do)17.Johns wish is _ a writer in the future.(become)18.Id like _(go)to the Summer Palace.19.She doesnt know whether and when _ Shanghai in two days.(leave)20.She is not sure how _ out the maths probl

40、em.(work)Suggested answers:1.to do 2.to teach3.to go4.tell5.to leave6.not to swim7.to turn off 8.staydo9.to do10.to get to11.to start12.to tell 13.to hear from14.to understand15.tohave8/1216.not to do17.to become18.to go19.to leave20.to workEx21.Dont forget _ the letter.A.to send B.send C.sending D.

41、being sent2.The chair looks very old,but in fact it is very comfortable to _.A.sit B.sit on C.be sat D.be sat on3.Is _ necessary to return the book tomorrow?A.this B.that C.it D.which4.Im afraid they would not allow him _ here.A.to smoke B.smoking C.smokes D.smoke5.Mother told me _ the water before

42、I drank it.A.boiling B.boiled C.boil D.to boil6.On my way home,I stopped _ some food.A.buy B.to buy C.buying D.bought7.John was made _ the car for a week as a punishment.A.to wash B.washing C.wash D.to be washing8.The sitting-room needs _,but itll have to wait until Saturday.A.be cleaning B.to be cl

43、eaned C.clean D.being cleaned9.The first thing I want to do is _.A.visit to him B.to visit him C.visiting him D.visited him10.Li Yang advised me _ too much,otherwise I would have been drunk.A.not to drink B.to drink C.not drinking D.drinkingSuggested answers:1.A2.B3.C 4.A 5.D 6.B7.A 8.B 9.B 10.AStep

44、 4.Listeninga.Pre-listeningDiscuss the following questions with your partner.Q1.Whats the main problem with the environment in the world?Q2.Can you explain why the climates getting warmer?Q3.Why did people cut down a lot of trees every year?b.While-listeningListen carefully.And answer the following

45、questions.1.What is the most urgent problem of all?2.What examples 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?Suggested answers:1.The c

46、limate.2.New York and Shanghai.3.Because pollution is stopping the suns heat leaving the atmosphere.4.Carbon dioxide from cars.5.There is less oxygen and more carbon dioxide in the atmosphere.6.Optimistic.c.Post-listening:19/12Listen again.And fill in the blanks with proper words according to what y

47、ou hear.Int:David,what do you see as the main problems with the_?D.U:Well,in a nutshell,the most _problem of all is the climate.The worlds climateseems to be getting _Int:Weve seen a lot of evidence of that,havent we?D.U:Yes,we have.Also,scientists have found that the _at the Poles is beginning to m

48、elt.Int:Weve heard that too.Is that really happening?D.U:Yes.Im afraid it is.And at sometime in the future,the ice may melt_.Then itspossible that the sea could rise and coastal cities like New York and Shanghai could _underwater.John:It sounds very frightening.D.U:I couldnt agree with you more.Its_

49、.Int:Can you explain why the climates getting warmer?D.U:Well,Ill do my best!Its _thats the problem.Gases from cars enter the atmosphereand stop the suns heat from leaving the atmosphere.And factories give out _that do thesame thing.So as a result,the climate is getting warmer.Int:From what I unders

50、tand,carbon dioxide from cars is a _problem.D.U:Youre absolutely right.Carbon dioxide is the gas that does most _to the atmosphere.But we have a problem with trees too.You see,trees give out oxygen and take in carbon dioxide.So theyre very useful because they _the carbon dioxide.Int:I know what your