人体最大的消化腺是
A.胆囊 B.胰腺C.腮腺 D.脾E.肝
参考答案:E
I'll help my grandma ________some books.[ ]
A. buy
B. buying
C. buys
D. buyes
臀大肌可()
A.屈髋关节
B.伸髋关节
C.髋关节内收
D.髋关节外展
E.髋关节旋内