网球旋转包括()
A、侧下旋
B、下旋
C、上旋
D、侧旋
参考答案:B, C, D
A teacher who is ______ will be able to make his lessons more lively.
下列关于津枯血燥形成原因的叙述,错误的是?()
A.高热伤津
B.烧伤耗津
C.失血脱液
D.痰瘀阻津
E.阴虚劳热