The femoral triangle
A. is bounded superiorly by the inguinal ligament
B. is medially by the medial border of the adductor longus muscle
C. is laterally by the medial border of the gracilis muscle
D. contains the femoral vessels,the femoral nerves and the femoral canal
E. contains the sciatic nerve and tibial nerve
参与构成股三角的是
A. 阔筋膜张肌
B. 缝匠肌
C. 股直肌
D. 长收肌
E. 腹股沟韧带
对于普通用户创建的新目录，（）是默认的访问权限。
A. rwxr-xr-x
B. rw-rwxrw-
C. rwxrwrxr-x
D. rwxrwxrw-
如果当前的目录是/home/sea/china，那么“china”的父目录是（）目录。
A. /home/sea
B. /home/
C. /
D. /sea
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