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北师大2003课标版《Lesson 3 Your Money》PPT课件优质课下载
water pollution
There are many plastic bags , dead fish and other rubbish covering the river.
smog
Smog is very common in the world.
To be exact , Beijing is one of the most serious cities.
To be exact
exactly
the Yellow River erosion
erosion
A lot of soil has been removed, which is worn away by water, wind or sand.
remove
soil
take away
the Yellow River erosion
How to make a difference to
by 5yuan?
Which problem is talked in the passage?
Read the passage fast to match the paragraphs with their topics.
para1
para2
para3
para4
para5
A.What to do with five yuan
B.An example of success