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too much pollution
We want a green world !
too much waste
too much noise
…
Unit 8
A green world
- To be friendly to our environment
To have a green world,
Which one do you think is “green”?
Save water
How to live a green life?
We can save water by
taking shorter showers.
How can we save water?
We can save water
by turning off the
tap.
* by doing sth 通过做某事
Which one do you think is “green”?
Save energy
We can save energy by___________
the lights when we leave a room.
turning off
How can we save energy?
节约能源
What can we do to change that ?
We can reduce air pollution by riding bicycles.
vt. & vi. 减少，降低
It’s wise for people to choose public transport.