Once mankind began farming, they no longer had to get food from many varieties that grew wild.

题库:综合类 类型:最佳选择题 时间:2017-07-03 03:15:43 免费下载:《单选题》Word试卷

Once mankind began farming, they no longer had to get food from many varieties that grew wild.
A.A．

本题关键词:F鼠,F木,F值,F波,野f麻,F质粒,F类火灾,O／F试验,O/F试验,生物F值;