目前不提倡的骨关节病手术方式为（）。
A.人工关节置换术
B.关节神经支切除术
C.截骨术
D.关节清除术
E.关节融合术
参考答案：B
His failure was not made public to prevent his look from being seen.
A．embarrassing
B．pleased
C．embarrassed
D．pleasing
常用9只检波器串的结构是（）。
A、三串三并
B、单纯串连
C、单纯并连
D、三串二并
