Mr. Wang is a retired worker. He loves flowers very much.
It was cold outside in winter, so he thought his flowers might be cold. He started the fire to heat a pot of water.
After the water was boiling, Mr. Wang watered the flowers with it. He thought happily, "Now it will be warm."
But after a while, to his surprise, all the flowers died. Mr.Wang felt worried.
From the story we know: No matter what we do, we must follow the natural rules.
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