外研版英语必修三第4模块学案

外研版英语必修三第4模块学案

Sandstorms in Asia导学案编写人:

【Learning Goal】

Learn about some thing about sandstorms in Asia

【使用说明与学法指导】

自学要求:课前提前自主学习，阅读单词并完成习题。正课要求:3分钟教师展示自主学习练习题答案。17分钟独立完成探究一，二。10分钟小组讨论确定答案。10分钟展示点评。5分钟进行背诵所学词汇和短语并当堂检测。Period1 Introduction & Reading

【课前预习】

TaskⅠ: Master the words and phrases below、bury frightening sandstorm cut down dig up the inland region the first sign if yes TaskⅡ: Do activity①② on

page31TaskⅢ:finish activity ③④on page

33、

【课内探究】

TaskⅠ:skimmingRead the text quickly and answer the following questions、1 Why is it hard for people to see in sandstorms ? Because of the thick dust、2 How far is the desert from beijing ? Only250 kilometers away、 Task

Ⅱ:careful reading、Choose the best answers according to the text、1、According the text ,we can learn that sandstorms B 、

A、 cause people to buy more masks

B、 are difficult to deal with

C、 are not dangerous but frightening

D、will disappear within five years

2、which of the following is true according to the text ? A

A、 Ren Jianbo thought he would probably die from the sandstorm、

B、 A sandstorm can be forecast several months before it arrives、

C、 Huang xiaomei frequently cycles in sandstorms、

D、Sandstorms occur in beijing mainly because of its dry climate、 Read the text carefully and fill in the blanks、 Sandstorms What are they ?They are

1、strong dry winds that carry sand、How powerful are they ?They are strong enough to move

2、 sand dunes Where do they often occur?In central asia,

3、North America , central africa and australia、Sandstorms inChina The cause Sandstorms begin in4 desert areas and appear to have increased in recent years as a result of “desertification”、It is a process that happens when land becomes desert because of

5、 climate changes And because people cut down trees and dig up grass、Sandstorms in Beijing Citizens wake up to a(n)

6、 orange sky and strong winds that cover the city

in a thick, brown-yellow dust、 The storms sometimes last all day and affect traffic、Two persons’ description ▲ Ren Jianbo descibed a sandstorm inInnerMogolia、▲ Huang xiaomei told people about a sandstorm in

7、Beijing The measures ▲ A

8、 mass campain has been started in china 、▲The government has already planted over

9、30 million trees and plans to continue planting

for the next

10、 five Years、Task Ⅲ T or F

1、Scientists have tried many ways to deal with sandstorms、 ( T )

2、Land becomes desert only because people cut down trees and dig up grass、 ( F )

3、The Chinese Central Weather Station can not forecast a sandstorm before it comes、( F )

4、The desert is250 kilometers away to the west of Beijing、 So there is no need to take some measures、(F )

5、Southwest China is part of the sandstorm center in Central Asia、 ( F )

Period2 Language Points：

【学习目标】

掌握Language Points中列出的知识点

【使用说明与学法指导】

自学要求：课前自主学习，预习知识点。正课要求：课上前15分钟完成课内探究。10分钟讨论，10分钟展示点评，解决疑难。10分钟疯狂背诵并当堂检查。

【课前预习】

阅读课文并且从文中找出下列短语:

1、在这种情况下

2、解决这个问题3如此…、以至于

4、被困在…

5、由于6砍倒7挖掘8醒来

9、建议某人做某事10最好做某事