大豆种子中哪部分结构的作用和鸟卵的卵黄功能相似？（ ）
A．胚
B．胚根
C．子叶
D．种皮
答案：C
A．Because it did not shoot far.
B．Because it did not bend easily.
C．Because it was too heavy.
D．Because its string was short.
犯罪是指具有严重社会危害性的行为。严重危害性是犯罪的法律标志。[ ]
