A:子叶发育而来
B:胚芽发育而来
C:胚轴发育而来
D:胚根发育而来
关于“知耻”的说法错误的是 ( )
June ____ (twelve) is his birthday.
—Sorry, I can't make it. Will three o'clock be OK?
记忆能力x
4
6
8
10
识图能力y
3
5
由表中数据,求得线性回归方程为 y^=45x+a^ ,若某儿童的记忆能力为12时,则他的识图能力为( )