当人群的平均摄入量或中位摄入量等于或大于该人群的营养素AI时，可以认为人群中发生摄入不足的几率很高。
参考答案：错
连词成句。
1. was, while, walking, I, saw, to, I, a, in, bird, school, a, tree
2. an, this, story, exciting, is
3. do, sports, you, best, what, like
4.in, he, football, does, playing, well
5. the, morning, I, him, sing, heard, song, this
瓷器是什么时候出现的？
