题目内容
In the period of domestication culture, the top three food crops in plants are ( )
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The original way of eating wheat is same as other grains, which is called wheat rice.
Wheat represents European civilization, corn is Asia,and rice is Latin America.
In Chinese breeding culture, poultry breeding has a long history dating back to the primitive society of Neolithic period about seven or eight thousand years ago.
The relationship between farming culture and captive culture is （ ）
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