女性 * * 上皮随卵巢激素水平改变发生变化的周期性内，哪一期角化细胞比例最高（）

A.行经期

B.行经后期

C.排卵前期

D.排卵期

E.排卵后期

Alaskans love reading books about

A．Alaskans' way of living as hunters and as log cabin builders

B．Alaskans' keen interest in living in the wild and the abundance in wild animals

C．stories about Alaskans' log cabin life and their abundance of grizzly bears

D．stories telling how Alaskans were cultivating the land and building log cabins