受精时精子穿入？（）
A.卵原细胞
B.初级卵母细胞
C.次级卵母细胞
D.成熟卵细胞
E.原始卵泡
参考答案：C
The news caused heated discussion online, with people _____ the government ____ using the expensive project to build up its political image.
A．accuse; of
B．charge; for
C．accusing; with
D．charging; with
以下哪个是估算活动资源过程的输出？（）
A．资源属性
B．资源清单
C．资源分解结构
D．资源技能水平
