![](https://static.youtibao.com/asksite/comm/h5/images/m_q_title.png)
[单选题]
△ABC中,∠ABC的平分线与∠ACB的外角∠ACD的平分线交于点P,若∠A=80°,则∠P=()
A.40°
B.50°
C.60°
D.70°
![](https://static.youtibao.com/asksite/comm/h5/images/m_q_a.png)
A、40°
![](https://static.youtibao.com/asksite/comm/h5/images/solist_ts.png)
A.40°
B.50°
C.60°
D.70°
A、40°
A.45.4cm
B.45.1cm
C.44.8cm
D.44.5cm
A.125°
B.145°
C.175°
D.190°
A.2
B.3
C.4
D.5
A.∠BCB′=∠ACA′
B.∠ACB=2∠B
C.∠B′CA=∠B′AC
D.′C平分∠BB′A′
A.abc
B.cab
C.bac
D.acb
A.30°
B.40°
C.50°
D.60°
心肺复苏主要有三个步骤,即开放气道(AirwAy)、(BreAthing)、胸外按压(Compression),一般患者的急救顺序为();如遇溺水昏迷患者,急救顺序为()。
A.ABC CBA
B.BAC ACB
C.CAB ABC
D.A-C-B;A-B-C