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《Reading and speaking》最新PPT课件优质课下载
4. What damages are caused?
5. How many tornadoes are there in the US each year?
6. What happened in 1925? What were the results?
a rotating column of air
more than 400
km per hour
South Dakota
Texas
Damages
pick up
put down
take the fur off
destroy houses
leave the furniture inside
exactly where it was
Illinois
Missouri
Indiana
1925
Read What is a Hurricane to get the key information.
Work together
Share what is a hurricane based on your mind map .
Work in groups and draw a mind map.
1. It moves heavy things to different places.
2. It causes huge wave.