(共33张PPT)
Module4 Sandstorms in Asia
Reading and Vocabulary
Please look at these pictures.
How beautiful they are !
What are they doing?
But one day something happened.
Reading and Vocabulary
Sandstorms in Asia
Objectives
To learn about sandstorms in Asia
To learn what cause the sandstorm
To learn how to prevent the sandstorm
Revision
Words
adj. 大量的
n. 战役；活动n. 沙漠化
n. 进程
n. 力量；力气
mass
campaign
desertification
process
strength
Revision
Words
adj. 可怕的
n. 沙尘暴
n. 公民
n. 沙尘、灰尘
n. 污染
n. 面具、面罩
vi.骑自行车
frightening
sandstorm
citizen
dust
pollution
mask
cycle
Phrases
1.for centuries
2.Solve the problem
3.Get caught in
4.cut down
5.wake up to
6.advise sb not to do sth
7.prevent sb from doing sth
多个世纪以来
解决问题
被困住
砍倒；削减
警觉到；意识到
建议某人不要做某事
阻止某人做某事
Fast Reading
Fast reading:
Para.1 a. the description of sandstorms
Para.2 b. the causes of sandstorms
Para.3 c. a major disaster in Asia
Para.4 d. the effects of sandstorms
Para.5 e. the government’s measures
Para.6 f. the forecast and suggestions
How many parts can this article be divided into ?
Read and try to find the answer to the question .
Part I (para 1) :
Part II (para2-4) :
Part Ⅲ (para5-6):
major disaster in Asia- sandstorm
measures
description cause influence suggestion
Part2 (Para.2-4)
1. What are sandstorms?
2. Where do sandstorms occur often?
3. Who experienced a sandstorm when he
was young and what’s his feeling?
4. Why have sandstorms increased in China?
5. When sandstorms happen in Beijing,
what’s the weather like?
strong
dry
winds
carry sand
1.What are sandstorms?
sandstorms
are
2. Where do the sandstorms often occur?
Central Asia
North America
Central Africa
Australia
4. Why have sandstorms increased in China?
Sandstorms appear to have increased in recent years as a result of desertification.
3. Who experienced a sandstorm when
he was young and what was his feeling?
desertification
Ren Jianbo experienced a sandstorm when he was young. And he thought that………..
When __________ happen , citizens wake up to an orange _____ and strong ______ that cover the city in a thick, brown-yellowed _____.
dust
sky
winds
sandstorms
5. When sandstorms happen in Beijing,
what is the weather like?
Part 3 (para.5-6)
1.What’s the weather experts’ advice?
They advise people not to go out.
2.What is the government doing to
control sandstorms?
The government is planting trees.
Exercise
choose the best answers.
1.?Sandstorms are strong winds carrying ____ through the air.
A. dirt and mud B. rain and heat
C. sand and dust D. cloud and snow
2.What do the experts advise people to do when a sandstorm arrives in the city?
A. Don’t go out B. Don’t wear masks.
C. Don’t go to work as usual. D. Don’t ride bicycles
3.The factors that cause land to be desert are ____.
A. cutting down trees B. digging up grass
C. climate changes D. all of the above
4. From the last paragraph, we know ____. A. the government is taking measures to prevent sandstorms.
B.?the distance between the desert and the center of Beijing is only 250 kilometers. C. more than 30 million trees have been planted in Beijing .
D. the government won’t plant trees any more in the next five years
Summary
Desertification ：________ changes ；
________ trees；_________ grass
an ________sky, strong_______, city in a thick, brown-yellow ______move slowly, difficult to see and breathe
advise…not to go out , wear a mask
orange
winds
climate
cut down
dig up
dust
Fill in the form with the detail and make up a passgae .
major disaster
Central Asia, Central Africa, North America, Australia
plant more trees
sand
wind
introduction Sandstorms are strong, dry ____ carrying ____,a _____ __________ in Asia
Main places
Cause
Influence
Suggestion
Measures
Discussion
The day before yesterday
Yesterday
Today
Look at these pictures. Now work in pairs. Discuss what we should do to protect our environment.
Plant more trees and grow more grass
Reduce air pollution, live a low carbon dioxide life (低碳生活)
Put different garbage into different bags
Recycle useful rubbish
Use some new energy, such as wind, water
and sun
Homework:
Think about :
As a senior high student , what should we do to improve our environment ?
