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《Lesson 3 Your Money》最新PPT课件优质课下载
It is a serious environmental problem.
It is usually caused by water or wind.
It may destroy the farming land.
It will cause the loss of soil.
Facts
Approximately / about 356 million square kilometers of land is suffering soil erosion.
Loess Plateau (黄土高原) is the most serious area of soil erosion.
Cause
Lots of trees are
cut down.
When it rains, the water
takes away/ removes the soil.
Damage
It will destroy the soil so that the farmers could not grow rice or other crops.
Lots of soil flows into the river, which might cause debris flow (泥石流) and even flood.
To solve this problem, how much money do we need?
Fast Reading
Read the text quickly and check your guess.
Can 5 yuan solve this environmental problem?
Yes!
General reading
Read the text again, and match the main ideas with each paragraph. Pay attention to the first or the last sentence.
A success of a tree-planting programme
e. The cause and the bad effects of Yellow River erosion
d. It is a huge job to control Yellow River erosion.