She's read the book, _______?[ ]
A. isn't she
B. doesn't she
C. hasn't she
D. wasn't she
答案:C
下列哪项是测量骨盆入口横径的径线
A.对角径
B.髂嵴间径
C.坐骨结节间径
D.骶耻外径
E.后矢状径
2, 10, 26, 50, 82, ( )
A.101
B.122
C.145
D.170