极体
参考答案：雌性生殖细胞形成过程中经过两次成熟分裂，形成一个大型的单倍体卵细胞和2～3个小型的细胞，这些小型的细胞称为极体。
I’m _______ the Drawing Club. What about you?
A．the member
B．the member of
C．a member of
D．a member
善于治霍乱吐泻转筋的药物是
A．独活B．紫菀C．羌活D．木瓜E．防己
