Unit 8 Lesson 43 Let’s Clean Up!课件+素材（32张PPT)

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(共32张PPT)
Unit 8
Save Our World
Lesson 43
Let’s Clean Up!
When you see a lot of garbage in your schoolyard, how do you feel
…
Lead in
Do you know about World Environment Day
What is it
Pollution type
The students are having fun in the schoolyard.
schoolyard [ sku:ljɑ:d]
n. 校园
New words
attention...