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北师大2003课标版《Lesson 3 Your Money》PPT课件优质课下载
the Yellow River
Have you ever noticed this?
soil erosion
Without trees，plenty of rich soil is washed or worn away by water, wind or sand.
The Yellow River contains a lot of sand and soil.
Approximately 1.6 billion tons of soil flows into the Yellow River each year.
About
have something inside
Para 1
Para 2
Para 3
Para 4
Para 5
Solution to the problem
b. The usage of five yuan
c. The problem with land
A huge job
e. A successful example
Read and match the topics with paragraphs .
Read and answer .
1. Why does soil erosion occur?
Because a lot of soil has been removed.
take sth. away from a place
2. In which area has soil erosion almost destroyed farming land?
In some areas in Shanxi Province