高中英语 Module4《Sandstorms in Asia》课件4 外研版必修3_图文
第 一课时: Introduction & Speaking 第 二课时: Reading and Vocabulary 第 三课时: Review & Reinforce 第 四课时: Grammar The Infinitive
第 五课时: Listening & Everyday English
第 六课时: Reading & writing
INTRODUCTION & SPEAKING
Teaching aims :
介绍与sandstorm 有关的词汇， 并通过练习让学生熟悉这些词的 意义
This is a kind of violence of nature , Can you name it ?
A: a sandstorm snowstor m rainstorm thunderstorm And this process of thinking is called brainstorming
Ask the students to give a brief report on sandstorms using new words as much as possible.
1.What adjectives can you use to describe this event ? A: Terrible Horrible Awful Terrifying Frightening Scary 2.When and where do these events usually take place ? A: four main places : in spring when the winds are strong and dry
A:3.What climate arechanges the causes of sandstorms ? cutting down trees digging up grass too much sheep or cattle on the grasslands bad farming methods --4.What are the consequences of sandstorms ? A: kill people and animals ; pull down buildings and cause poor harvest ; pollute the atmosphere and carry away precious top soil ; and on the other hand,there is some advantage lessen the acid rain
Connect the materials given above to form a short article And practice it in the class orally .
第 二 课时
Reading and Vocabulary
Teaching aims : 能在阅读中识别新学词汇、短语并推断 其意思；能读懂课文并能理解语段之间 的逻辑关系，从中获取信息并回答相关 问题。
Step 1 Listen to the tape without looking at the book , and then fill in blanks according to the text.
材料略--- --- ---
Ask the students to read through the text and find out th topic sentences of each paragraph.
Step 3 Answer questions according to the text .
1.What are sandstorms? 2.What are the main places where there are sandstorms? 3.What are the causes of sandstorms?
4. Can you describe an experience in a sandstorm ?
5. How do sandstorms affect traffic?
6. Can you say some-thing about the sandstorms in China
7. What can you do to protect yourselves in a sandstorm?
8. Do you think sandstorms will affect the 2008 Olympic games in Beijing ?
Find words from the text that has similar meanings as the following Synonym: frightening --- scary weather --- climate because of --- as a result of stop --- prevent affect --- have a bad effect on send out --- give out Put on --- wear Take place --- happen Main --- major Continue --- last Waste (n) --- garbage Settle the problem --- solve the
coastal increase appear
Language points :
1.cut down---cut up 2.Catch: cut off----cut in
catch one’s eyes catch on catch the first train catch sb. doing be caught in the rain/snowstorm/traffic
3.--- --4.--- ---
第 三 课时
Review & Reinforce
Teaching aims : 能复述课文内容，能参与以沙尘暴、环保 为主题的讨论。能运用本模块所学词汇和 短语，写有关环保的短文。
Match the words with the definitions
A.citizen B. process C. survive D.atmosphe E. chemical F.pollution G. damage H. the Poles I. recycle. J.forecast K.environment 1.To continue to live after a dangerous situation or event 2. The air around the earth 3. A substance used in chemistry 4. To have a bad effect on sb. or sth. 5.the natural world- the land,air,water,plants and animals 6. The most northern or southern points on earth 7.damage to the environment because of chemicals 8.to treat sth. so that we can use again
Find out the sentences from the text that contain the Infinitive
1. Scientists have tried many ways to solve this probl 2. The wind is strong enough to move sand. 3.To have been caught in a sandstorm was a terrible experience. 4. There was nothing to be done. 5. Sandstorms in China appear to have increased in recent years as a result of “desertification”. 6. To be cycling in a sandstorm is frightening. 7. To prevent it coming nearer , the government is planting trees.
Sandstorms have been a major disaster for many Asian countries.A mass campaign has been started to help solve this problem.Sandstorms are strong, dry winds that carry sand, which are usually caused by climate changes and people cutting down trees and digging up grass.The four main places in the world where there are sandstorms are central Asia,N.A., central Africa and Australia.To have been caught in the sandstorm was a terrible experience. You just had to hope you’d survive.Walking or cycling in a sandstorm, you have to wear masks and glasses to protect yourselves. Sandstorms in China appear to have increased in recent years as a result of desertification. Beijing is also affected . Sandstorms can be forecast and they can be prevented if we make efforts to protect our environment.
Ask the students to retell the text , using the passage given above as a reference
1.Read the passage on page 87 to learn about sandstorms on other continents
2. Supplementary reading material 1
Teaching aims :
要求学生 理解“动词不定式”的各种 形式表示
时间和语态的概念，以及“动词不定 式”的特 殊情况， 即but 后动词不定式不带to
He seems to know everything in the world . He seems to be looking for something over t He seems to have been to Egypt . He has so photos with pyramid. The bridge is said to be built over there . The book is reported to have been translated in several foreign languages
不得不干---只好干--没有什么事可做，只好--Can’t help but do--Can’t but do --Do nothing but do --There is nothing to do but do --除了干---之外别无选择 Have no choice but to do ---
1.The news reporters hurried to the airport , only _____ the film stars had left . A. to tell B. to be told C. telling D. told 2.Sandy could do nothing but ____ to his teacher that he was wrong . A. admit B. admitted C. admitting D. to admit 3.She had nothing left to do but ____ there for help . A. wait B. to be waiting C. waited D. waiting
第 五 课时
Listening & Everyday English
第 六 课时
Reading & writing
Teaching Aims: 能阅读和理解来自其他资源的相关文章。能运用 本模块所学词汇和短语，写有关环保的短文。
An example of a poster
We have only one EARTH
Step 1: Read the passage on page 39 “ The Green Movement”and learn about environment. Chemicals: CFCs；Carbon dioxide；ozone；
Organizations: Green Peace; Friend of Nature Others: Earth Day 地球日；drought n. 干旱 environmental protection campaign: 环保活动 balance n. 平衡 toxic chemicals: 有毒的化学物质 Acid rain 酸雨 environment-friendly products 有利于环境的产 品
Step2: Supplementary Reading Material 2
Step 3: Writing