As she ________ the newspaper, Granny ________ asleep.[ ]

A. read; was falling  

B. was reading; fell

C. was reading; was falling  

D. read; fell

推力头的作用是承受并传递水轮发电机组的（）负荷及其转矩。

A.径向；

B.斜向；

C.轴向；

D.轴向和径向;