⊙O1和⊙O2交于A、B两点，且⊙O1经过点O，若∠AO1B=90°，那么∠AO2B 的度数是（ ）。
45°或135°
下面书写没有错误的一项是[ ]
A．撕哑 喉咙 汹涌
B．温柔 腐烂 深冗
C．邮票 坟墓 海陕
D．激怒 悲愤 黎明
The client experiences a wound evisceration on day 2 after the abdominal hysterectomy. What should the nurse immediately do
A．Approximate the wound edges by applying strips of adhesive over the wound.
B．Cover the exposed tissues with sterile dressings moistened with normal saline solution.
C．Replace the abdominal contents into the wound carefully while wearing gloves.
D．Apply a loose-fitting sterile abdominal binder over the wound.
