外研英语必修3 Module 4 Sandstorms in Asia Reading （共19张PPT）

(共19张PPT)
Warm-up

Question: What disasters of nature do you know?
Disasters of Nature
flood
hurricane
lightning
tornado
earthquake
typhoon
drought
sandstorm
洪水
飓风
闪电
龙卷风
地震
台风
干旱
沙尘暴
Have you experienced a sandstorm?

North America
Central Africa
Australia
Central Asia
A
C
B
Inner Mongolia
Gansu
Xinjiang
Connect the main idea with each para.
Part 1(Para. 1)

Part 2(Para. 2)

Part 3(Para. 3)

Part 4(Para. 4~6)


A. Sometimes even Beijing is affected by sandstorms.
B. Sandstorms have been a major disaster for Asian countries.
C. What are sandstorms?
D. How do sandstorms form?
Scientists have tried many ways to 1.________ the problem.
Sandstorms begin in desert areas; due to 4._____________, sandstorms in China appear to 5._______________ in recent years.
desertification
The 6.___________ of the storm sometimes surprises people; the government is taking measures to 7. _________ the desert coming nearer.
solve
Sandstorms are strong, dry winds. They can carry sand; they are often so 2.________ that you cannot see the sun; sometimes they are strong enough to move sand 3.__________.
thick
dunes
have increased
strength
prevent
Para Details
Part 1
Part 2

Part 3
Part 4
Fast reading
Read and 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 won’t plant trees any more in five years
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 is taking measures to prevent sandstorms
READING AND VOCABULARY
Content Title
Sandstorms in Asia
Listen, please! Pay attention to the pronunciation of some words.
Discussion
What effective measures should we take to prevent sandstorms coming?
Effective Measures
plant more trees
prevent over-farming
Strengthen the laws, for example, Environmental Protection Law.
Have people raise awareness of protecting environment.
Homework
Write a composition to encourage people to protect the environment.