The results: The team found traces of wild grasses and legumes, fruits or berries, green vegetables, and roots and tubers native to the broader region. Shards recovered from sites in the Don River basin showed these people used the seeds of wild legumes (possibly clover) and grasses, as well as showing some evidence of bran and barley. By contrast, shards from the Upper Volga and Dnieper-Dvina region contained more traces of guelder rose berries and other fleshy fruits and smaller-seeded Amaranthaceae plants.
樊董伟：我是学校的排球教练。几年前发生的一件事让我印象深刻：一次军训开营仪式上，不到半小时就有五十多位同学晕倒，而那天还是阴天，天气比较凉爽。另外，肥胖率、近视率上升，学校在一些运动会上的成绩，都令人担心。
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