治疗颈椎动脉型颈椎病，应选（）
A.低坐位拔伸法
B.坐位拔伸法
C.仰卧位拔伸法
D.俯卧位拔伸法
参考答案：C
The 29th Olympic Games ____ in Beijing in 2008.
A．will be held
B．was held
C．has been held
D．is being held
任脉与督脉、冲脉的交会穴是（）。
A.会阴
B.关元
C.中极
D.廉泉
E.石门
