髓腔,一般认为是()
A.缩小了的牙体外形
B.扩大了牙体外形
C.等于牙体外形
D.不确定
E.与牙体外形无关
参考答案:A
---What are your sister like?
--- .
A.She is a student.
B.She is near.
C.She is kind.
D.She likes cooking.
自耻骨联合下缘至骶岬上缘中点的距离是()
A.骨盆入口前后径
B.真结合径
C.对角径
D.骶耻外径
E.中骨盆前后径