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Preparation：
Textbook, PPT, stickers
Teaching procedures：
Step1 Review
Talk about the pictures
T: What can you see in the pictures?
S1:People cut down too many trees.
Ss:...
Big news.
T: Chunxi Community will hold an activity to protect the Earth.Now it needs some“ Green Guards”. Do you want to be the Green Guards?
Learning aims.
To be the green guards:
I can guess what the words are.
I know how to protect the Earth.
I know about Earth Day and World Environment Day.
Step2. Presentation
Test1. I know about Earth Day and World Environment Day.
1. Quick Response 快速反应
Rules: According to the descriptions,you should guess what the words are.
It's useful. We use it to clean things. ------ water
It comes from trees.We use it to make tables and chairs. -----wood
She's our mother. It's green,blue and brown. -----Earth
It's black..We use it to drive cars. -----oil
It's useful.Most of it comes from coal and oil. -----energy
We can use it to make bags and bottles.We can't use too much,because it is bad for the Earth .-----plastic
They look like umbrellas.They help keep the air clean.------trees
Watch and say
Q: Why is the Earth so sad?
3.Look and write (P76)
Q: What should they not do?