Module 4 Sandstorms in Asia教案

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1、Module 4 Sandstorms in Asia The Second Period Reading and vocabulary Teaching goals 教學(xué)目標(biāo) 1. Target language目標(biāo)語(yǔ)言 a 重點(diǎn)詞匯和短語(yǔ) mass, dune, desertification, citizen, dust, forecast, cycle, mask, affect, strength, situation, survive, start to…, wake up to…, advise sb (not) to do sth., one after anothe

2、r, b 重點(diǎn)句子 Scientists have tried many ways to solve this 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 changes and because people cut down trees and dig up gr

3、ass. Weather experts advise people not to go out. To be cycling in a sandstorm is frightening. There was nothing to be done. 2. Ability goals 能力目標(biāo) Enable students to gain knowledge about the sandstorm. Know the cause and result of sandstorm, and what to do in sandstorm and to foster their sense

4、 of responsibility of protecting the environment. 3. Learning ability goals 學(xué)能目標(biāo) Help students to learn how to describe a phenomenon and express their feelings. Teaching important points教學(xué)重點(diǎn) Learn some characteristics and result of sandstorm. Ask students to think ways to protect the environmen

5、t. Teaching difficult points教學(xué)難點(diǎn) a. Discuss the answers to the questions b. Generalize the characteristics of sandstorm. Teaching methods教學(xué)方法 a. Fast reading and deal with comprehension questions. b. Intensive reading. c. Discussion. d. Student-centered vocabulary learning. Teaching aids教具準(zhǔn)

6、備 A projector, a computer and a recorder. Teaching procedures & ways教學(xué)過(guò)程與方式 Step 1 Greeting and revision Check the students’ homework by asking some of students to read their short passage about pollution around them. T: Good morning/ afternoon, boys and girls. Who wants to share your short p

7、assage about the pollution around you? Ss: I’d like. Our earth used to be a beautiful place. Thick trees and green grass covered the hills and it 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 wo

8、rse, people let their cattle eat up the grass. So you can see a stretch of wasteland instead of green hills now. As a result, when it rains, the soil is washed down the hills, strong winds blow away the rich soil that lies on the top of the fields. We do hope all the people will take good care of ou

9、r forests and plant more trees to improve the environment in which we are living. Im sure as long as we try every possible means; were 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 ab

10、out it. Open your books on page 32. Have you previewed it? Ss: Yes. T: Very good. Step 2 pre-reading T: Now I will give you five minutes and read the whole passage quickly, find the answers to the questions on the top of this page. 1. There is a terrible sandstorm. 2. She wears a mask, scarf

11、, 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 5 minutes, check the answers. T: Now, who’d like to talk about the first question? Volunteer! S1: I’d like

12、to try. From picture I know that a sandstorm happens. It is frightening. T: Quite right. Next question? Who want to have a try? S2: There is a woman pulling a bike in a frightening sandstorm. The cyclist wears a mask and a pair of gloves. She wears a hat. T: Thank you, very well. How about next q

13、uestion? S3: The traffic will be very slow, because in the sandstorm there is much sand in the sky. The driver cannot see thing clearly. T: Quite right. The last one, who got the answer? S4: I think the experts advise people to stay at home and not go out. While going out, you should wear a mask.

14、 T: Thank you. Sit down please. Now, after we’ve learnt this text, we will know how to protect ourselves, if there is a sandstorm in our city. Of course, we do not hope it happens in our city. Step 3 Reading T: Turn your books on page 33. Look at the activity 2& 3, read the text quickly again an

15、d complete these two 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. Show the answers on the screen. ask students to read it silently ★Intensive Reading T: Read t

16、he whole passage very carefully and complete Ex.4&5 on page 33. While reading underline phrases and sentences that you think are important. Read it silently and try to get the general idea of this passage. 10 minutes. 1. The winds in a sandstorm can sometimes be strong enough to move sand dunes. 2

17、. When Ren Jianbo was living in Inner Mongolia he experienced a terrible sandstorm in desert. 3. Sandstorms in China appear to have increased in recent years as a result of “desertification”. 4. Cutting down trees and digging up grass can cause the climate changes and make the land become desert.

18、 5. Traffic moved very slowly because the thick dust makes it difficult to see. 6. The government is planting trees to the west of Beijing to prevent the desert coming near. (After 10 minutes ask some students to check the answers and show the answers on the screen.) 1. forecasted 2. frightening

19、 3. survived 4. dust 5. process 6. citizens (After students to give possible answers, then show them on the screen) 1. Scientists have tried many ways to solve this problem and in China, a mass campaign has been started to help solve it. 2. You just had to hope you’d survive. 3. Sandstorms in Ch

20、ina appear to have increased in recent years as a result of “desertification”. 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. 5. When a sandstorm arrives in the city, weather experts advise people not to go

21、out. 6. To be cycling in a sandstorm is frightening. 7. Already the government has planted more than 30 billion trees and plans to continue planting for the next five years. (After having finished the exercises, show the important sentences on the screen. Ask the students to pay more attention t

22、o them.) Complete the summary of the text: (1st paragraph) Sandstorms have been a major_______ for many Asia countries _____ centuries. Scientists have tried many ways to ____ this problem and in China, a ______ campaign has been started to help solve it. Suggest answers: Sandstorms have been

23、 a major disaster for many Asia countries for centuries. Scientists have tried many ways to solve this problem and in China, a mass campaign has been started to help solve it. (2nd paragraph) The wind in the sandstorm is often strong enough to move _________. Ren Jianbo, from _____________ des

24、cribed a terrible sandstorm he ___________ when he was a child. “ to have been ______ in a sandstorm is a ____________. There was nothing ________. It was the most _________ and the most dangerous ________ I have been in. You just had to hope you’d _______. Suggest answers The wind in the sandstor

25、m is often strong enough to move sand dunes. Ren Jianbo, from Inner Mongolia described a terrible sandstorm he experienced when he was a child. “to have been caught in a sandstorm is a terrible experience. There was nothing to be done. It was the most frightening and the most dangerous situation I h

26、ave been in. You just had to hope you’d survive. (3rd & 4th paragraphs) Sandstorms begin in______ area. Sandstorms in China ______ to have been increased in recent years as a result of “______________”. This is a ________ that happens because people _________ trees and ________ grass. Sandstorms s

27、ometimes _______ Beijing. _______ wake up to an orange sky and ______ strong winds that ______ the city in a thick, brown-yellow _____. The sandstorms sometimes __________ all the day and traffic ______ very slowly. Suggest answers: Sandstorms begin in desert area. Sandstorms in China appear to ha

28、ve been increased in recent years as a result of “desertification”. This is a process that happens because people cut down trees and dig up grass. Sandstorms sometimes affect Beijing. Citizens wake up to an orange sky and strong winds that cover the city in a thick, brown-yellow dust. The sandstorms

29、 sometimes continue all the day and traffic moves very slowly. (The last two paragraphs) The Chinese Central Weather Station can______ a sandstorm some weeks before it arrives in Beijing. When the sandstorm arrives in the city, weather _______ advise people not to ________. Huang Xiaomei, who live

30、s in Beijing says, “to be ______ in a sandstorm is _________. It’s difficult to _______ in the strong wind and _____ makes me _____. So if you want to go out, you’d better wear a ______. The desert is only 250 kilometers away to the west of Beijing. To ________ it coming nearer, the government is p

31、lanting trees. The Chinese Central Weather Station can forecast a sandstorm some weeks before it arrives in Beijing. When the sandstorm arrives in the city, weather experts advise people not to go out. Huang Xiaomei, who lives in Beijing says, “to be cycling in a sandstorm is frightening. It’s d

32、ifficult to breathe in the strong wind and dust makes me ill. So if you want to go out, you’d better wear a mask. The desert is only 250 kilometers away to the west of Beijing. To prevent it coming nearer, the government is planting trees. (As to this part, listen to whole passage first, and then

33、 listen again paragraph by paragraph. After listening to a paragraph, ask students to look the screen and fill the blanks with their books closed. Step 3 Explanation T: Now let’s deal with some language points. ◆ You just had to hope you’d survive. Survive vi. continue to live or exist ~ (fro

34、m sth), ~ ( on sth), E.g. many strange customs have survived from earlier time. I can’t survived on 30 a week. Vt. Continue to live or exist in spite of nearly being killed or destroyed ~ an earthquake, ~ shipwreck survivor n. person who survived ◆as a result of “ desertification”. ….

35、由于沙漠化的結(jié)果 desert + ify “-fy / -ify” 后綴 變?yōu)関erb. desertify → desertification ◆ ……… because people cut down trees and dig up grass. Cut sth down (cause sth to fall down by cutting it at base) ~ a tree, 砍倒一棵樹(shù)，~ trousers, 改短褲子，~ one’s expenses, 減少開(kāi)支 dig sth up ①break up(soil,etc) by digging， ②remo

36、ve sth from the ground by digging Dig up the land for a new garden. 為建一座花園而墾地。 We dig up the tree by his roots.我們將樹(shù)連根拔起。 ◆ …… weather experts advise people not to go out. advise sb. (not) to do sth. give advice to sb; recommend Step 4 Homework 1. Retell the whole passage. 2. Write a summary of the text.