信度
参考答案：信度是指测验结果的一致性、稳定性及可靠性，一般以内部一致性来表示该测验信度的高低。信度系数愈高即表示该测验的结果愈一致、稳定与可靠。
Assessment of a client in active labor reveals meconium-stained amniotic fluid and fetal heart sounds in the upper right quadrant. Which of the following is the most likely cause of this situation
A．Breech position.
B．Late decelerations.
C．Entrance into the second stage of labor.
D．Multiple gestation.
合成塔催化剂管发生泄漏，（）工艺参数指示上升。
