初产妇跨耻征阳性，临产后不会出现（）
A.病理缩复环
B.胎膜早破
C.胎头衔接
D.子宫收缩力异常
E.胎位异常
参考答案：C
It was the third time that I ________ of the changes of the timetable.
A．had informed
B．have informed
C．had been informed
D．have been informed
比较脂溶性和水溶性维生素的代谢特点。
