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Save water
Save energy 能源
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2
coal 煤炭
oil 石油
Save water
Save energy
Save trees
Don't use
too much plastic 塑料
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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