A:含蛋白质多的种子如大豆
B:淀粉多的种子如水稻
C:油料作物种子如花生
D:成分复杂的种子如银杏
下列关于工业用赤铁矿炼铁的叙述中错误的( )
已知豌豆的高茎对矮茎为显性,现有一株高茎豌豆甲,要确定甲的基因型,最简便易行的办法是( )
Tom hasn't appeared for 10 days. So I promise his parents: “I'll report back, the moment I ________ him.”