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《Lesson 3 Your Money》新课标PPT课件优质课下载
Structure of the text
Exercise 3
Words and phrases
The soil ________(包含) materials to ______ the ________ （保持平衡）of the area.
contains
keep
balance
Over time, a lot of soil has been __________ （移除）, which has caused serious______________（水土流失） of the land.
removed
soil erosion
This has ________（毁灭） almost all the land
destroyed
People are ________（被迫）to move to another areas.
forced
Grow crops to ________________（谋生）
make a living
Develop _____________（当地经济）
local economy
Structure of the text
present situations
give solutions
keep a balance
over time
force to move
be affected by