腓肠肌的作用是()
A.使踝关节背伸、足内翻
B.使踝关节跖屈、足外翻
C.使踝关节跖屈、足内翻
D.使踝关节跖屈、膝关节屈曲
E.使髋关节屈曲、膝关节屈曲
参考答案:D
_____ , many people are now paying more attention to the protection of environment. [ ]
A. In general
B. In all
C. To be honest
D. In brief
在下颌体内面可看到的结构不包括()
A.内斜线
B.颏结节
C.上下颏棘
D.舌下腺窝
E.颌下腺窝