Sandstorms-in-Asia教案.doc

教学内容：Module 4 Sandstorms in Asia
教学目标：
1. Learn some information about sandstorms through reading.
2. Improve reading skills.
3. Know how to prevent the sandstorms and protect the environment.
教学重点：
1. 掌握常用易考的词汇和短语。
2.  通过阅读提高提取信息，分析信息的能力。
3. 帮助学生在阅读过程当中正确的理解课文，并掌握与环保和沙尘暴相关的词汇
教学难点：
如何调动学生积极性，运用所学内容，围绕主题进行讨论，表达自己的观点。
教学步骤：
Step 1 Revision （复习有关灾难的词汇和短语）
a short video: Sandstorms (看视频，引入本课主题------沙尘暴)
predict what the article will talk about (让学生根据标题和插图预测课文内容，以培养学生积极思考的习惯，并使阅读更具目的性。)
Step2. Fast Reading （让学生快速阅读, 分别用一个词概括每段的大意。）
1.Skim the test quickly and answer the question.
1) What are sandstorms ?
2)Try to summarize the main idea of each paragraph by using one word
para 1 para 2 para 3
para 4 para 5 para 6
Step3. Detailed-reading
1.Read the text carefully and fill the blanks. （这一环节主要是通过阅读，学习描述沙尘暴的起因、影响、建议、措施等的词汇和短语。让学生动手写在学案上能加深印象。）

Sandstorms in Asia (key words)

Description

strong, dry winds________________,the most ___________and dangerous

Cause

Desertification ；________ changes ；________ trees；_________ grass
Influence

an ________sky, strong_______, city in a thick, brown-yellow ______
move slowly, difficult to see and breathe
Suggestion
not to _________ and wear _________
2. Where do sandstorms usually occur in the world? 世界，中国，北京，淄博，由大到小，由远及近，通过这条线来讲解沙尘暴，让学生把课文与实际相结合。更能提高学生学习的积极性，保护大自然的决心。
The four main places in the world where there are sandstorms are _________, _____________, _____________ and ________.
Thinking:
major sandstorm centers in China are Gansu and _________ __________
3. 1)The harm of sandstorms to Ren Jianbo from Inner Mongolia
A. Sandstorms are so ____ that people can’t see the ____
B. wind can move _______
C. there was ______ to be done and just hope to ______
D. Maybe people can __________ under the sand
2)The harm of sandstorms to citizens in Beijing
Dust :
Traffic:
Cycle:
What measure has the government taken in Beijing?
3)the harm of sandstorms to us in Zibo ?
Sky: wind dust
Citizen cyclist traffic
4. Deep thinking:
What measures should we take to prevent sandstorms coming?
Step 4 :Group work discussion 对话模拟任务是一个知识与能力的转化、知识与情感的交融的过程。设计重在突出实效性和深刻性。
Suppose you are a reporter from CCTV. You want to interview some people (Ren Jianbo, Huang Xiaomei and expert) about sandstorms. Work in group of 4 people.
Step 5:summary 这一环节主要是通过完成与文章主要内容有关的句子的形式，应用和巩固重点词汇。
Sandstorms have been a major disaster for many Asian countries. Sandstorms are often____ thick that you can’t see the sun. Ren jianbo ____(say), “To have been caught in a sandstorm ____ a terrible experience. It was the most _________ (frighten) and the most dangerous situation”
Sandstorms in china appear to have _______ (increase) in recent years as a result____ desertification. The storms sometimes continue all day and traffic move ______(slow). Huang xiaomei says, “to be cycling in a sandstorm is _________ (frighten). It is difficult to ________ (breath)
To prevent it _______ (come) nearer, the government is planting trees.
Step 6 :Writing: 通过作文如何防止沙尘暴 ，增强学生的环保意识。
沙尘暴问题是摆在人类面前的一个严峻问题，为了保护好环境，人们都付出了努力，请你就下面四个方面的问题谈一谈沙尘暴。
1．沙尘暴出现的原因
2．给人们带来的影响
3．措施
4. 我的看法
Step7 :Homework
1.Finish your writing
2. Do something to protect the environment