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To be a volunteer, you have two tasks:
了解：1.What makes our city dirty?
2.What can we do to keep our city clean?
什么使我们的城市变的脏乱?
我们能做什么保持我们的城市干净?
Read quickly and choose.(初步感知课文，了解大意)
1.How is the city?
A. It’s clean and beautiful.
B. It’s messy and dirty.
2.What makes our city dirty?
A. clouds and water
B. smoke and rubbish
Read and choose.
1.How is the city?
A. It’s clean and beautiful.
B. It’s messy and dirty.
2.What makes our city dirty?
A. clouds and water
B. smoke and rubbish
What makes … dirty?
make(s)
the air
the streets
the river
dirty.
_____ from cars and ______ from _______
________
_________ in the _____
(自由朗读P58，完成手中表格。)
Tip: Use the pencil to underline the sentences.