外研版高中英语必修3《odule 7 RevisionReading and speaking》优课导学案0.docx

1、外研版高中英语必修3odule 7 Revision Reading and speaking优课导学案0Module 4 Sandstorms in Asia Teaching Aims1. Get Ss to review the violence of nature and know about sandstorms and how to protect the environment.2. Through discussion and comprehension of Reading, develop Ss listening, speaking, reading and writin

2、g.3. Encourage Ss to search the knowledge of sandstorms and environmental protection on the Internet.4. Improve the Ss ability to read for specific facts.5. To grasp the usage of infinitive, pay more attention to the usage of but + infinitive.Difficulties and Importance1. Conclude and collect the wo

3、rds and phrases related to environment and environmental protection.2. Ask Ss to think ways to protect the environment.3. Improve the Ss ability of grasping the general idea of the passage. Teaching Method1. Task-based methodology 2. Communicative ApproachTeaching TimeFive periods:Period 1 Vocabular

4、y and Writing, Speaking 1Period 2 Reading and VocabularyPeriod 3 Grammar 1 Infinitive. Listening and VocabularyPeriod 4 Grammar 2 but + infinitive, Everyday English Period 5 Cultural corner, Speaking 2, WritingTeaching ProceduresPeriod OneStep 1 Warming up1. Talk about the topic of this module as an

5、 introduction. Show or read the following passage to students.About SandstormThe topic of this module is “environmental conservation”(环境保护). This module mainly introduces something about the sandstorms in Asia, especially in China. At the same time, it brings in some words aboutsandstorms and enviro

6、nmental conservation.What is a sandstorm? A sandstorm, a kind of disastrous(灾难性的) weather system, is a combination of sand and strong wind.What on earth causes sandstorms? In my opinion, severe sandstorms are usually caused by both natural and contrived(人为的) factors, that is, climatic, geographical,

7、 social and human factors. Of all the factors, the overuse of natural resources, such as cutting down too many trees and opening up too much untouched land, leads to the frequent occurrence of sandstorms.Where does a sandstorm usually go? As mentioned above, disastrous as it is, a sandstorm does not

8、 go everywhere, coming to only those places with dry weather and little vegetation(植物的总称, 植被). Take China for example, in the northwest of China, where there is little forest, sandstorms are worsened with(因为而恶化) peoples activities like digging up grass and mining(采矿). Bare land easily gives away its

9、 land when strong winds come, interaction of sand and wind forming a sandstorm.And what damage will sandstorms usually cause? In a word, a lot of damage. Sandstorms can kill people and animals, put down buildings and cause poor harvests. Whats more, they can pollute the atmosphere and blow away top

10、soil.2. Discussion: As senior students, what should you do to prevent sandstorms?Here are some valuable suggestions:1) Control air and water pollution; 2) Build green fences along the desert;3) Forecast sandstorms real time to prevent the disaster;4) All countries should join hands to propose a plan

11、 in sandstorm control and prevention.What can you add to these suggestions? Students can discuss and add more to the above suggestions.3. Complete the sentences using the correct form of these words. Then answer the following questions. blow bury frightening last sandstormThere has been a sandstorm.

12、 It has been blowing / has lasted for ten hours and was very frightening . The wind was blowing the sand high aroundthe houses, and some cars were almost completely buried by the sand.Q1. What is a sandstorm?Sandstorm is a kind of bad weather, which is becoming increasingly common in Northwestern Ch

13、ina, and it usually happens in spring and fall. When a sandstorm comes, the wind blows strongly with dust and sand.Q2. Whats the weather like when a sandstorm occurs? There is strong, dry wind and the sky is yellow.Q3. Whats the bad influence of a sandstorm? cars slow down and have to turn on headli

14、ght(打开前灯)；the visibility(能见度) drops；difficult for us to breathe；dangerous to go out or driveStep 2 Further 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

15、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 cant be prevented.6. The inland region has more sandstorms than the one near the sea.Suggested answers: 1,2,3,4,6T 5FStep 3 DiscussionsQ1. Whats the cause

16、of sandstorm?climate changes; trees cut down; desertification; serious air and water pollution; the growing population of the world and so on.Q2. What should you do in a sandstorm to protect yourself? This is an open question.Step 4 SpeakingWork in pairs. Suppose there has been a bad sandstorm in yo

17、ur city.A: You are a reporter. You interview a man who has cycled to work in the sandstorm. Before you do the interview, write down the questions you want to ask.B: You felt frightened but you put on a mask and cycled to work in the sandstorm. Tell the reporter how you feel about the sandstorm. Desc

18、ribe how things looked in the sandstorm.Step 5 Homework1. Memorize the new words related to sandstorms. 2. Preview the passage of Sandstorms in Asia.Period TwoStep 1 Revision and lead-inThe teacher can lead students into the topic of the text by talking about the weather as follows:T: Whats the weat

19、her like today? S: Its sunny(or: rainy/windy. . . )T: Is the weather nice or bad? S: Very nice. Or not bad. Or terrible.T: Yes, very nice. But the weather is not always nice, sometimes there is a lot of bad or even terrible weather. We can call the bad or even terrible weather “natural disaster”. Do

20、 you know “disaster”?S: Yes, we do. It means “灾害”in Chinese.T: Good, can you speak out the names of some disastrous weather in the last module?S: Yes, such as floods, hurricanes, lightning and tornados.T: Oh, its wonderful! And in this moduleModule 4, well continue to learn about another disastrous

21、weather named sandstorms. Lets go!Step 2 Pre-reading1. Word meaning: Activity 2 (Match the words with the definitions).Read out the words in the box and have students repeat them after the teacher. Then ask students to match the definitions individually, after that, check the answers with the whole

22、class.Keys: 1. cycle2. expert3. process4. citizen5. dust6. survive7. forecast8. situation2. Look at the photo in the reading text first and answer the following questions. Activity 11. Get Ss to come up with as many words as possible while looking at the picture.mask cycle cyclist dust citizen frigh

23、tening sandstorm2. What is happening? There is a sandstorm blowing.3. What is the cyclist wearing and why?She is wearing hoods(头巾), masks and glasses.4. What do you think happened to traffic in this situation? Why?The traffic moves slowly for its not clear to see everything on the roadand people mus

24、t take great care.5. What do you think experts advise people to do in this situation?Experts advise people to stay at home in this situation.3. Pre-reading discussion If you are to write the article named “Sandstorms in Asia”, how many parts will you include in it? What will you write in each part?

25、Or: Have you ever been in a sandstorm? /Have you ever experienced a sandstorm? If yes, describe it to us. If not, please imagine what it will be like.Step 3 Fast readingOption1 (for common Ss): Read the text quickly and try to find out the answers to the following questions.1) Whats a sandstorm? San

26、dstorms are strong, dry winds that carry sand.2) Where in the world are the main four sandstorm places/areas? And how about in China?Central Asia, North America, Central Africa and Australia, Northwest China.3) Whats the weather experts advice when a sandstorm comes?They advise us not to go out. If

27、we have to, wed better wear a mask.Option2 (for better Ss): Find the main points of each paragraph.Ask Ss to read the passage as quickly as they can, and try to get the main idea of each paragraph.Part 1(Para1) disaster Sandstorms have been a major disaster for centuries.Part 2(Para2-5) description

28、Sandstorms in Asia. cause . Sandstorms in China appear to have increased as a result of desertification.Sandstorm influence Sandstorms sometimes affect Beijing. suggestions Sandstorms do a lot of damage to people.Part 3(Para.6) measures The government plants trees to prevent sandstorms.Step 4 Detail

29、ed reading1. Read the passage carefully and answer the following question.1) What are sandstorms? Sandstorms are strong, dry winds that carry sand.2) In what places do they often happen? Central Asia, North America, Central Africa and Australia.3) What does Ren Jianbos example tell us? It is dangero

30、us to go out when a sandstorm occurs4) Are there sandstorms in China? Where? Yes. Northwest China.5) Have sandstorms in China increased or decreased recently? Why? Increased. As a result of desertification6) Why does traffic move slowly during the sandstorm? Because the thick dust makes it difficult

31、 to see.7) What does the government do to protect Beijing from sandstorms? Plant more trees.2. Read the passage carefully and then fill in the chart with suitable words.PartsContentDetails1major disasterA mass campaign, to help solve sandstorm, tried many ways to solve it2descriptionStrong wind, dry

32、, carry sand, So thick, cant see the suncauseDesertification, Climate changes, cut down trees, dig up grassinfluenceOrange sky, strong windssuggestionStay at home, wear a mask3measuresPlant trees3. Finish the Activities 3-5.Step 5 Language explanations1Deserts are also created because people cut down trees and dig up grass. 砍树挖草也是沙漠的一个成因。cut do