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《Reading and vocabulary》集体备课PPT课件优质课下载
To properly use the words and expressions
learned in this passage;
To find the information by skimming and scanning;
To raise the students’ awareness of environmental protection.
Para.1
Para.2
Para.3
Para.4
Para.5
Para.6
Sandstorms in Asia.
Sandstorms sometimes affect Beijing.
The government plants trees to prevent sandstorms.
Sandstorms have been a major disaster for centuries.
Sandstorms do a lot of damage to people.
Sandstorms in China appear to have increased as a result of desertification.
fast reading :
1. What are sandstorms?
2. Where do sandstorms occur often?
3. What happened to Ren Jianbo?
Careful reading
A sandstorm refers to a high amount of wind __________ (occur) in sandy areas, usually in deserts, _______ the wind speed is able to lift the top layer of sand from the ground, and push it _____ every imaginable direction. The sand ________ (involve) in the sandstorm can reach heights of approximately 10-50 feet (3.05-15.24m).
occurring
where
in