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Do you know flowers? Where can you see them? As we know, most flowers smell(闻) good, and look beautiful. They also have beautiful colours and shapes(形状). But do you know the job of a flower? A flower is a part of a plant. Its job is to make seeds(种子). Then new plants can grow.

In the past, people didn't know how to plant them. So all flowers werewild flowers(野花). When people learned how to plant seeds, they started to grow the flowers in gardens. So we can see all kinds of flowers in gardens today.