通过开放教育学习，学生可以掌握利用现代信息技术进行终身学习的技能。

The shopkeeper didn’t want to sell for __he thought was not enough .

A where              B. how          C. what         D. which

I _____ TV when my mother came back yesterday. [ ]

A. watch

B. was watching

C. am watching

D. have watched

胎盘早剥出血发生在

A．底蜕膜
B．包蜕膜
C．绒毛膜
D．胎盘边缘血窦
E．子宫螺旋动脉

银行业监督管理法对监管者的法律保护是如何规定的？怎样理解？

变额年金保险在金融危机中受到了怎样的冲击？有什么经验教训？