(共16张PPT)
earthquake
tornado
flood
typhoon
sandstorm
Pre-reading:
Brain-storming:Translate the words from Chinese to English.
1.吓人的;可怕的 10.环境
2.内陆的;内地的 11.紧急的
3.进程;过程 12.主要的;多数的
4.公民,市民 13.污染 n.
5.沙尘;灰尘 14.关心的;担心的
6.力量;力气 15.证据;证明
7.沙尘暴 16.沙漠化
8.战役;预告 17.大量的;大规模的
9.大气;大气层 18.沙丘
frightening
inland
process
citizen
dust
strength
sandstorm
forecast
atmosphere
environment
urgent
major
pollution
concerned
evidence
desertification
mass
dune
Phrase-linking:Translate the phrases from English to Chinese.
1. cut down trees
2.dig up grass
3.be caught in
4.as a result of
5.a major disaster
6.a mass campaign
7.move sand dunes
8.wear a mask
砍树
挖草
突然遭遇
因为;由于
一场大规模的战役
移动沙丘
带上面具
一次大灾难
While-reading:
Skimming: Read the text and match the main idea of each paragraph.
1.Para.1 A. The description of strong sandstorms.
2.Para.2 B. The effects of sandstorms on Beijing.
3.Para.3 C. The measures to prevent sandstorms coming to Beijing.
4.Para.4 D. Sandstorms,Asian major disaster.
5.Para.5 E. What to do in a sandstorm.
6.Para.6 F. Northwest China,a sandstorm center.
Scanning:
Scan the text and decide if these sentences are true (T) or false (F).
1.Sandstorms are strong,wet winds that carry sand.( )
2.Sandstorms come from the desert areas.( )
3.Sandstorms in China seem to have increased in recent years.( )
4.Sandstorms usually continue several months in Beijing.( )
5.The land becomes desert mainly because of climate changes. ( )
F
T
F
T
F
—— dry
——————— all day
︿
and because people cut down trees and dig up grass.
Reading in detail:
Read the passage carefully and choose the best answers.
1. What is the best description about a sandstorm according to the text?
A. It has been a major disaster for many Asian countries for centuries.
B. It is strong wind carrying sand.
C. It is a way to cause land to become desert.
D. It is a kind of natural disaster that can’t be treated.
√
答案
1
2
3
4
5
2. What is the main reason for the increase of sandstorms in China recently?
A. To be close to many deserts.
B. The worsening of the weather in China.
C. Desertification.
D. Cutting down trees and digging up grass.
1
2
3
4
5
√
答案
3. What effects are sandstorms bringing to people living in cities?
A. The whole city is usually covered in a thick and brown?-yellow dust.
B. Traffic moves very slowly.
C. People can’t breathe well and the dust makes them ill.
D. All of the above.
1
2
3
4
5
√
答案
4. What is the best way to avoid the effects from the sandstorm?
A. To live far away from deserts.
B. To stay at home when a sandstorm happens.
C. To wear a mask if you want to go out.
D. To plant more trees.
1
2
3
4
5
√
答案
5. Which of the following is NOT the element to make Central Asia,North America,Central Africa and Australia the four main places where there are sandstorms?
A. The climate in these places is rather bad.
B. They are all the places with big deserts.
C. The natural environment in these places is worsening every year.
D. The governments in these places pay little attention to the protection of nature.
1
2
3
4
5
√
答案
Post-reading: (高考题型链接)
I. Complete the following passage based on the text.
Sandstorms,strong dry winds that carry sand,have struck some Asian countries for centuries. As a result of 1. (desert),sandstorms in China seem 2. (increase) in recent years. This is a process that happens 3. land becomes desert because of climate changes and 4. people cut down trees and dig up grass. Northwest China is part of the sandstorm centre in Central
Asia. Sandstorms sometimes have 5. very bad effect on Beijing,
to have increased
when
because
a
desertification
6. (especial) on its weather and traffic. To solve the problem,many ways have been tried. For example,in order to stop the desert, 7.______ is only 250 kilometres away to the west,8. (come) nearer to Beijing,the government is planting trees. So far,over 30 billion trees
9. (plant) and 10. (many) trees will be planted for the next five years.
especially
which
coming
have been planted
more
II. Discuss how to describe ways to reduce the sandstorms .
(A)
(B)
Summary
Environmental protection is
everyone's responsibility.
Homework
1.Read the text carefully after class.
2.Finish the related exercises.
Thank you for your listening.