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smoke
rain
了解城市污染的现状
bird thirty
rubbish
rubber
wish
What makes our city dirty？
clouds
smoke
rain
rubbish
了解城市污染的现状
Watch and answer:
了解城市污染的现状
What makes our city dirty？
What makes our city dirty？
clouds
smoke
rain
rubbish
了解城市污染的现状
Watch and answer:
Read and finish：(阅读P58文本，回答完整)
1.____________makes the air(空气)dirty.
_________________makes the air dirty,too.
2.____________makes the streets dirty.
3.____________makes the fish dead.（死亡）
Smoke from cars
Black smoke from factories