欧拉几时提出欧拉乘积恒等式?()
A、1735年
B、1736年
C、1737年
D、1738年
参考答案:C
. —What do you think of our manager,Mr Smith?
—He is really ______success in his career,but in a way he is _______failure in his family.
A.a;/
B.the;the
C.a;a
D./;/
28岁经产妇,妊娠25周以前经过正常,随后腹部迅速膨胀,出现腹部胀痛、呼吸困难和下肢浮肿,于妊娠29周来院。查宫底在剑突下2横指,腹围106cm,胎位触不清,胎心听不清,隐约触到胎动
估计在分娩过程中不会发生的产科异常情况是()
A.脐带脱垂
B.胎位异常
C.胎盘早剥
D.头盆不称
E.宫缩乏力性出血