A:胚芽
B:胚轴
C:子叶
D:胚根
t____ ____
郭沫若说“由秦到现在两千多年了,我们依然感觉着春秋战国在学术思想史上是中国的黄金时代。”是因为春秋战国出现( )
— What _________ the number of the students in your school?
— About two thousand. A number of them __________ from the countryside.