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题目内容
In attempting to explain why ancient Chinese farmers who primarily grew millet started to grow wheal, researchers note that wheal and millet have ___________sowing seasons: wheat can be sowed after millet has been harvested.
- Aalternating
- Bincompatible
- Ccoinciding
- Dstaggered
- Eoverlapping
- Fpredictable
A,D显示答案
以上解析由 考满分老师提供。