操作"患者仰卧位，患侧下肢稍外展，屈膝。治疗者将患侧下肢置于上方上肢与躯干之间，双手握住小腿远端稍将小腿向下牵引后向上摆动"属于（）。

A.长轴牵引膝关节

B.旋转摆动膝关节

C.伸膝摆动膝关节

D.前后向滑动膝关节

E.后前向滑动膝关节

Eton College in England was__________ in 1440 by King Henry VI to give free education to poorsluclents.[ ]

A. cleaned up  

B. set up

C. fixed up  

D. cheered up.