绒毛膜促性腺激素来源于()
A.下丘脑
B.腺垂体
C.卵巢
D.子宫
E.胎盘
参考答案:E
I came here for nothing else but to see you . [ ]
A.purpose
B.propose
C.to the purpose
D.on purpose
咽鼓管咽口位于()
A.鼻腔外侧壁
B.喉咽侧壁
C.口咽侧壁
D.口腔侧壁
E.鼻咽侧壁