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外研2003课标版《Listening and vocabulary》最新PPT课件优质课下载
2. Now the disaster is getting worse and we are starting many campaigns to prevent it.
Lead-in: A guessing game
3. It results from desertification.
Lead-in: A guessing game
4. This disaster always occurs when strong winds carry away dunes ( small hills of sand)
Lead-in: A guessing game
Pre-reading:
As a citizen of Chengdu, have you ever experienced
a sandstorm?
sandstorms
Pre-reading: What do you know about sandstorm?
sandstorms
definition
causes
places
effects
measures
suggestions
people's feelings
While-reading: Task 1 Scan for aspects mentioned in this passage.
While-reading: Task 2 Read for details(the basic information).
definition (what)
places (where)
causes(why)
Sandstorms are strong, dry winds that carry sand.