信度是指绩效评价结果的一致性和可靠性。()
参考答案:对
解析:
解析:信度是指绩效评价结果的一致性(结果不因评价方法及评价者的改变而不同)和可靠性(在不同时间重复考评结果相同)。
You can't imagine when the pupils received these nice presents on Children's Day. [ ]
A. how they were excited
B. how excited they were
C. how excited were they
D. they were how excited
在瓦斯管道上进行检修工作(),应将检修的一段管道与运行中的瓦斯管道可靠地隔断(),然后用压缩空气或蒸汽通入管道(),将残留的瓦斯完全排出,并用()试验,证明管道内确无瓦斯存在,始可开始工作。