某村民委员会设置了理财小组，每三个月对村里账目进行一次检查。查账后，还要张榜公布

一元二次方程x²=5x的解为 ______．

肺部肿瘤侧野水平定位时野的宽度一般为（）

A、3~4Cm 

B、4~5Cm 

C、5~6Cm 

D、6~7Cm 

E、7~8Cm

It’s important ____ the piano well.

A．of him to play

B．for him to play

C．of him playing

D．for him playing

城市规划的法规体系中，技术法规分为()标准。

A.国家和地方

B.国家和省级

C.国家和行业

D.部门和行业

The late Pope had cured himself of Parkinson’s disease, thus moving a step closer to sainthood.