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2.通过自主、合作、探究学习活动和读、写、说等形式，不断深化对重点句型和主题话题的掌握。
3、树立保护树木、环境意识；探索保护环境方法
Let’s play a game:
Who is the guessing champion?
A:What is he doing?
B:He is …
cutting down the tree
A: What is the dog doing?
B: It is …
digging a hole
A: What is she doing?
B: She is …
carrying a plastic bag
A: What is the peppa pig doing?
B: It is …
throwing a bottle into the bin
planting trees
A: What are they doing?
B: They are …
What can we get from the trees?
leaf
branch
fruit
root
provide us with.../ be made of/from/ make ..
oxygen
gases
How can trees help us?
take in/ produce .../
fight against .../make...