Module4SandstormsinAsia亚洲沙尘暴教学案.doc

Teaching plan
Module Four
Sandstorms in Asia

Teaching Aims:
1. Knowledge and Skill
a. Get the students to review the violence of nature and know more about sandstorms and how to protect the environment.
b. Through discussion and the comprehension 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 knowledge of sandstorms and environmental protection.
d. Improve the students’ ability to read for specific facts.
e. To grasp the usage of infinitive, pay more attention to the usage of but + infinitive.
2.Emotion and Values
a. Enable the students to talk about the cause and influence of sandstorms，and the ways to solve the problem in order to increase their sense of protecting the environment.
b. To encourage the Ss to talk about the damage caused by sandstorm and their own feelings about it.
3. Cross-cultural awareness:
a. Understand the environmental protection of the whole world and strengthen their awareness of environment protection.
4. Character-building:
a. To strengthen their confidence of protecting the environment we are living in.
b. Enable the students to talk about the sandstorms, the reasons for causing sandstorms and the importance of protecting environment
Difficulties and Importance:
a. Conclude and collect the words and phrases related to environment and environmental protection.
b. Ask students to think ways to protect the environment.
c. Improve the student’s abilityof graspingthe general idea of the passage.
Teaching Method:
a. Task-based methodology
b. Communicative Approach
Teaching Time:
Five periods:
Period 1 vocabulary and Writing
Speaking 1
Period 2 Reading and Vocabulary
Period 3 Grammar 1 Infinitive
Listening and Vocabulary
Period 4 Grammar 2 but + infinitive
Everyday English
Period 5 Cultural corner
Speaking 2
Writing
Teaching Procedures:
Period 1
Step 1. Warming up
Look at the picture. Complete the sentences using the correct form of these words Then answer the following questions.
blow bury frightening last sandstorm
There has been a ______. It _____ for ten hours and was
very _______. The wind _______the sand high around
the houses, and some cars were almost completely ______
by the sand.
Suggested answers:
1. sandstorm 2. has been blowing / has lasted
3. frightening 4. was blowing 5. buried
Q1. What is a sandstorm?
Q2. What’s the weather like when a sandstorm occurs?
Q3. What’s the bad influence of a sandstorm?
Suggested answers:
Q1. Sandstorm is a kind of bad weather, which is becoming increasingly common in Northwestern China, and it usually happens in spring and fall.When a sandstorm comes, the wind blows strongly with 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 drops
difficult for us to breathe
dangerous to go out or drive
Step 2 Further understanding
Work 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 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
Step 3 Discussions
Q1. What’s the cause of sandstorm?
Q2. What should you do in a sandstorm to protect yourself?
Suggested answers:
Q1. climate changes; trees cut down; desertification; serious air and water pollution;
the growing population of the world and so on.
Q2: This is an open question.
Step 4 Speaking
Work 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 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. Describe how things looked in the sandstorm.
Homework:
1. Memorize the new words related to sandstorms.
2. Preview the passage of Sandstorms in Asia.
Period 2
Step 1 Pre-reading
a. Look at the photo and answer the following questions.
1. Get Ss to come up with as many words as possible
while looking at the picture.
2. What is happening?
3. What is the cyclist wearing and why?
4. What do you think happened to traffic in this situation?
Why?
5. What do you think experts advise people to do in this
situation?
Suggested answers:
1. mask cycle cyclist dust
citizen frightening sandstorm
2. There is a sandstorm blowing.
3. She is wearing hoods, masks and glasses.
4. The traffic moves slowly. Because it’s not clear to see everything on the road and people must take great care.
5. Experts advise people to stay at home in this situation.
b. Predication
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?
Step 2 While-reading
a. Skimming and scanning
Read the passage 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 1 disaster
Part 2 Sandstorm cause description influence suggestions
Part 3 measures
b. Detailed Reading
1)Read the passage carefully and answer the following question.
1 What are sandstorms?
2 In what places do they often happen?
3 What does Ren Jianbo’s 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 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 difficult to see.
7. Plant more trees.
2) Read the passage carefully and then fill in the chart with suitable words.

Parts
Content
Details
1
major disaster

2
description

Cause

influence

suggestion

3
measures

Suggested answers

Parts
Content
Details
1
major disaster
A mass campaign, to help solve sandstorm, tried many ways to solve it
2
description
Strong wind, dry, carry sand, So thick, can’t see the sun
Cause
Desertification,
Climate changes, cut down trees, dig up grass
influence
Orange sky, strong winds
suggestion
Stay at home, wear a mask
3
measures
Plant trees
Step 3 Post-reading
a. Decide if the following statements are true( T ) orfalse( F ).
①Scientists have tried many ways to deal with sandstorms
②Land becomes desert only because people cut down trees and dig up grass.
③The Chinese Central West Station can not forecast sandstorm before it comes.
④The desert is 25o kilometers away to the west of Beijing. So there is no need to take some measures.
⑤ Southwest China is part of the sandstorm center in Central Asia.
Suggested answers:
1. T 2. F 3. F 4. F 5. F
b. Read the text again and complete the following sentences
1.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 slowly because ______________________________
6.The government is planting trees to the west of Beijing to______________________________
Suggested answers:1. prevent you from seeing the sun
2. he experienced a terrible sandstorm
3. because of desertification
4. cause deserts and sandstorms to increase
5. the drivers can’t see
6. prevent the desert coming nearer
Step 4 language explanations
1 mass adj. 大规模 a mass campaign 一场大规模战役
n. 团,块,堆
a mass of clouds /hot air
a 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 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
制止某人做某事。
Note: keep sb. from doing 中from 不可以省略,由于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。
I’m sorry to keep you waiting so long. 很抱歉让你等了这样久。
We must keep him from complaining all day.
我们不能让他成天埋怨了。
Step 5 Discussion
Q1.Sandstorms bring us not only “sand〞 but also-----? (traffic / health / travel / environment…)
Q2. As a senior student, what should we do to prevent sandstorms?
Homework:
1. Write a summary of the whole passage.
2. Finish the exercises 10,11 on page 88.
Period 3
Step 1 Presentation
Look at the examples a-f. The underlined phrases are examples of different types of infinitive.
a. The wind is strong enough. It can move sand dunes.
The wind is strong enough to move sand dunes.
b. We were advised, “ Don’t go outside.〞
We were advised not to go outside.
c. I’m cycling to work in a sandstorm and it’s frightening.
I’m frightening to be cycling to work in a sandstorm.
d. There is nothing anyone can do.
There is 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. I’ve been caught in a sandstorm. It was a terrible experience.
To have been caught in a sandstorm was a terrible experience.
Step 2 Explanations
I 动词不定式时态和语态形式
时 态
主 动
被 动
一般式
to do
to be done
进展式
to be doing

完毕式
to have done
to have been done
1. 动词不定式一般式：表达与积极词处在同一时间层面或动作发生于积极词之后。
eg: He seems to understand what I said
I hope to visit Paris again.
2. 动词不定式进展式：表达与积极词同步发生且动作正在进展。
eg: The two cheats pretented to be working hard.
3. 动词不定式完毕式：表达不定式动作发生于积极词之前。
eg: She seems to have seen this film.
He happened to have gone out when I went to see him
4. 动词不定式被动式：表达与逻辑主语之间被动关系。
eg: The meeting to be held tomorrow is about how to stop the pollution.
I want to have been told the news earlier.
Ⅱ动词不定式句法功能
不定式句法功能是做主语，表语，宾语，宾语补足语，主语补足语，定语，目状语和成果状语，分别给出一种例句 ：
1〕 To master a foreign language 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)
4〕 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 scientists went to Germany to attend a medical conference.〔状语〕
8〕 He was too excited to say anything.〔状语〕
Ⅲ 不定式复合构造
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) 带有逻辑主语构造of/ for sb. to do sth
The first thing to do is to clean the room.
It is foolish of you to say such words.
辨析：⑴ It is + adj.+ of sb + to do sth.;// ⑵It is + adj.+ for sb + to do sth.
差异：以上〔1〕构造中adj是用来阐明主语特征，并作其表语； 而构造〔2〕中adj是用来阐明句中动词特征。
Eg: It’s foolish of you to do such things
可转化为：You〞re foolish to do such things.
但:It’s 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 their proper forms.
1. It's 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 o'clock.(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 leave the room, please remember ________ the light. (turn off)
8.You'd better ________(stay) at home and ________ (do) your homework.
9.It's too hard ________ (do) it by myself. 10.It takes about two hours ________ (get to) the station.
11.It's time ________ our class. (start)
12.I have a lot of things ________ you. (tell)
13.I'm very glad ________ you again. (hear from)
14.The article is not easy ________ . (understand)
15.We didn't have time ________ a rest. (to have)
16.I'll try ________ that again. (not do)
17.John's wish is ________ a writer in the future. (become)
18.I'd like ________ (go) to the Summer Palace.
19.She doesn't know whether and when ________ Shanghai in two days. (leave)
20.She is not sure how ________ out the maths problem. (work)
Suggested answers:
1. to do 2. to teach 3. to go 4. tell 5. to leave 6. not to swim 7. to turn off 8. stay do
9. to do 10. to get to 11. to start 12. to tell 13. to hear from 14. to understand 15. to have
16. not to do 17. to become 18. to go 19. to leave 20. to work
Ex2
1. Don't forget _________ the letter.
A. to send B. send C. sending D. being sent
2. The chair looks very old, but in fact it is very comfortable to _________.
A. sit B. sit on C. be sat D. be sat on
3. Is ______ necessary to return the book tomorrow?
A. this B. that C. it D. which
4. I'm afraid they would not allow him ________ here.
A. to smoke B. smoking C. smokes D. smoke
5. Mother told me ________ the water before I drank it.
A. boiling B. boiled C. boil D. to boil
6. On my way home, I stopped _______ some food.
A. buy B. to buy C. buying D. bought
7. John was made _______ the car for a week as a punishment.
A. to wash B. washing C. wash D. to be washing
8. The sitting-room needs _______, but it'll have to wait until Saturday.
A. be cleaning B. to be cleaned C. clean D. being cleaned
9. The first thing I want to do is __________.
A. visit to him B. to visit him C. visiting him D. visited him
10. Li Yang advised me _________ too much, otherwise I would have been drunk.
A. not to drink B. to drink C. not drinking D. drinking
Suggested answers:
1. A 2. B 3.C 4. A 5. D 6. B 7. A 8. B 9.B 10. A
Step 4. Listening
a. Pre-listening
Discuss the following questions with your partner.
Q1. What’s the main problem with the environment in the world?
1,3,5
Q2. Can you explain why the climate’s getting warmer?
Q3. Why did people cut down a lot of trees every year?
b. While-listening
Listen carefully. And answer the following 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