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必修3《Reading and vocabulary》最新教案优质课下载
教学用具：电脑，屏幕，课本
教学过程：
Step 1 Leading - in
Ask the students the natural disaster that have been learned last class and the lead to sandstorms.
Step 2 Listen and fast reading
Page 32, ask the students to read the words in blue and explain the meaning. Listen to the text before finishing the connection problems
Step 3 Read and speak
1 What are sandstorms?
2 Where do they often occur in the world?
3 Who have experienced sandstorms?
4 Why have they increased in recent years?
5 How can we reduce their damage to us?
Students are reporters and the teacher is a spokesperson in a press conference. Students ask questions beginning with what , where, who, why and how. The teacher answers.
Step 4.Careful reading
Show some questions on the screen and hand out a piece of paper with the questions on it. Ask the students to read the text carefully to find the answers.
Sandstorms are strong, dry _____ that carry sand. They appear to ___________(increase) in recent years as a _____ of desertification. When they happen, the traffic moves very ______(slow) because the thick dust makes ___ difficult to see.
When a sandstorm arrives in the city, weather experts ______ people not to go out. ____ you want to go out, you’d better wear a ______.
Scientists have tried many ways ___ solve the problem and a mass campaign _____________ (start) in China.
Step 5 Conclusion
Step 6 Activity time
The students are holding a press conference .
Step 7 Homework
板书设计 Sandstorms in Asia
1 what -------- definition
2 Where --------place