如何处理冷再热蒸汽安全阀动作？
参考答案：
首先控制运行参数在允许范围内，限制锅炉负荷，查清安全阀能否手动处理关闭；若不能，则应汇报领导，并申请停机处理。
小孙大学毕业后到某学校任教。先是因为住房问题与单位领导发生口角，后又在职称评定时，因未过三分之二多数票而被否决。孙老师非常气愤，认为是校领导有意整她，故到校长办公室大吵大闹。因备感委屈，上课时控制不住自己而声泪俱下，无法继续上课，中途回办公室休息。后又因心情不好，在家休息，只好请别的老师代课甚至又在教师的集体活动中，不顾场合，只要看见院领导就想发脾气，宣泄心中的不快。
从教师职业道德行为角度讲，孙老师应如何认识和处理与领导的关系？
People were afraid to leave their house, ______ the police had been ordered to stand by in case, of emergency, they were just as confused and helpless as anybody else.
A．and even if
B．but since
C．however after
D．for though
