module 4

Module 4 Sandstorms in Asia§Period I Introduction and Reading课型：新授课编写人：李玲雷晓靓审核人：时间：第周星期班___组姓名______使用说明：1.课前认真阅读题目，完成自主学习的有关内容；2.课上认真思考，积极讨论，大胆展示自己，发挥小组合作优势；3.教学内容：外研版英语必修三module4，第31-40页。

一、教学目标1. 通过阅读文章，学生可以查找出相关信息，熟悉文章大意，总结文章主旨并能够复述个别段落；2. 学习此篇文章之后，学生了解到自然灾害的预防和控制，且具有保护绿化环境的意识。

二、教学重点、难点1.重点: 关于自然灾害的词汇，亚洲沙尘暴的概况；2.难点: 能读懂文章并且理解语段之间的逻辑关系，从中获取信息并回答相关问题。

三、自主学习1. 完成课本P31 Activity 1 & 2。

2. 快速阅读Reading and Vocabulary，完成下列表格。

四、合作探究1. A government campaign has been started to help solve the sandstorm problem.( )2. The winds in a sandstorm can sometimes prevent you from seeing the sun. ( )3. Northwest China is the sandstorm centre in Central Asia. ( )4. The Chinese Central Weather Station can only forecast a sandstorm some monthsbefore it arrives. ( )5. It is frightening to be cycling in a sandstorm. ( )6. The government is planting trees to the east of Beijing to prevent the desert coming nearer. ( )五、课堂检测A desert is a beautiful land of silence and space. The sun shines, the wind blows, and time and space seem endless. Nothing is soft. The sand and rocks are hard, and many of the plants even have hard needles instead of leaves. The size and location of the world’s deserts are always changing. Over millions of years, as climates change and mountains rise, new dry and wet areas develop. But within the last 100 yeas, deserts have been growing at a frightening speed. This is partly because of natural changes, but the greatest makers are humans. Humans can make deserts, but humans can also prevent their growth. Algeria Mauritania is planting a similar wall around Nouakchott, the capital. Iran puts a thin covering of petroleum (石油) on sandy areas and plants trees. The oil keeps the water and small trees in the land, and men on motorcycles keep the sheep and goats away. The USSR and India are building long canals to bring water to desert areas.1. In this passage, “needles” refer s to ___.A. small, thin pieces of steel.B. long, thin pieces of branches.C. small pointed growth on the stem (茎) of a plant.D. small, thin pieces of sticks.2. Which of the following is NOT true?A. The greatest desert makers are humans.B. There aren’t any living things in the deserts.C. Deserts have been growing quickly.D. The size of the deserts is always changing.3. People in some countries are fighting a battle against __.A. the growth of desertsB. the disappearance of desert plantsC. natural changesD. congenital climate4. We can guess that Mauritania and Algeria belong to __.A. Asian countriesB. American countriesC. European countiesD. African countries六、总结与反思【方法】【思想】【疑惑】§ Period II Language points一、教学目标1.理解并会用重点词汇和句型；2.并深刻理解文章内容。

三、教学重点、难点1.重点：文章中相关词汇和句型；2.难点：如何正确使用所学词汇和句型。

三、自主学习1.阅读文章，写出相对应的单词或单词意思。

damage________ protect_______ forecast________污染v.________ recycle_______ 主要的______ campaign_______ dune__________ blow frighten dig prevent________ 2．查找资料，完成下列练习。

a. majoradj. _____ ______ ______ n. ____ _____ vi. _____ _____翻译：环境污染已经成为一个主要的社会问题。

_______________________________________________.b. the way to do sth/of doing sththe way that/ in which +句子造句：____________________________________________________________________________c. To have been caught in a sandstorm was a terrible experience.翻译：_______________________________________此句是__________的被动语态作主语。

be caught in _________catch sb doing sth:________________d. Sandstorms in China appear to have increased in recent years.翻译:_____________________________________________appear to = ___________ 意思是___________i. wake up vi.________wake sb up vt.________wake up to sth. ________ 等于v. re____j. 翻译：请明早八点三十叫醒我。

_______________________________我最后才认识到自己的错误。

___________________________ awake：adj.____________在句中只作_____语和后置_______语。

四、合作探究1．There was nothing to be done. There was nothing to do.比较两句有什么不同。

2．It was the most frightening and the most dangerous situation I’ ve ever been in. 翻译并说明I’ ve ev er been in在句中充当什么成分。

3．Sandstorms in China appear to have increased in recent years as a result of “desertification”. 翻译as a result of_______________五、课堂检测1. So badly _____ that he had to be taken to the hospital.A. he was injuredB. injured was heC. was he injuredD. injured he was2．The chairman thought ______ necessary to invite Professor Smith to speak at the meeting.A. ThatB. itC. thisD. him3．Robert is said ____ abroad for two years, but I don’t know which country he is studying in.A. to have studiedB. to studyC. to be studyingD. to have been studying4．Do let your mother know all the truth. She appears ____ everything.A. to tellB. to be toldC. to be tellingD. to have been told5．He may _____ a fool but actually he is quite clever.A. seemB. lookC. appearD. A&C6. The houses ______ are for the teachers and construction work will soon start.A. builtB. to be builtC. to buildD. being built7. He would love ______ to your birthday party but he had to work extra hours to finish a report.A. goingB. having goneC. to goD. to have gone六、总结与反思【方法】【思想】【疑惑】§Period III Grammar 1 and Grammar 2一、教学目标1. 学生能够正确使用不定式造句;2. 学生可以正确使用不定式的各种时态和语态.二、教学重点、难点1. 重点：动词不定式的各种时态。