In the text below some words are missing. Drag words from the box below to the appropriate place in the text. To undo an answer choice, drag the word back to the box below the text.
下面的文本缺了一些词。请把词框里的词拖到文中合适的位置；要撤销选择，把词拖回文本下方的词框即可。
When humans began farming some 12,000 years ago, they altered the future of our forever. Our ancestors were ecological , discovering and cultivating the most valuable crops, scaling them up to feed entire communities and transforming wild crops so fundamentally that they became dependent on humans for their survival. Farming, in the words of National Geographic’s Genographic Project, “sowed the seeds for the modern .”
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