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Protect the Earth
Unit 7
Watch and find the subtitles
Save water
Save energy
Save trees
Don't use
too much plastic
1
2
3
4
Save water
Read and discuss 读课文讨论下列问题
Reading Task 1
Why should we save water?
Water is useful.
Save water
Why？
We use water to ...
water flowers
wash clothes
wash hands
clean the floor
...
useful
Water is useful.
There is not much water.
Save water
Why？