狭窄性腱鞘炎时最有效的治疗方法是()
A.手术
B.局部注射类固醇
C.离子导入
D.夹板
E.电刺激
参考答案:B
We found impossible to finish the work in such a short time. [ ]
A. it's
B. that was
C. it
D. that
表达成175.25.0.0/24的子网掩码是()
A、255.255.0.0
B、255.255.255.0
C、255.255.24.0
D、依赖于地址类型