测量不确定度是指包括狭义和广义的表征合理地赋予( )内容。
A．被测量之值的分散性
B．与测量结果相联系的参数
C．对测量结果的可信性
D．对测量结果的评审结论
E．对测量结果的有效性的怀疑或不肯定程度
参考答案：A,B,C,D
解析： 表征合理地赋予被测量之值的分散性、与测量结果相联系的参数，称为测量不确定度。从词义上理解，“不确定度”即怀疑或不肯定，因此，广义上说，测量不确定度意味着对测量结果可信性、有效性的怀疑程度或不肯定程度。故ABCD为正确项。
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| In the early 1800's, a boy named John lived in an orphanage (孤儿院) with several other children. Every day was 1 working and Christmas was the one day of the year 2 the children did not work and received a gift-an orange. The children 3 it so much that they kept it for weeks, and even 4 -smelling it, 5 it and loving it. Usually they tried to preserve (保护) it for so 6 that it often went bad before they ate it. This year John knew he would soon be 7 enough to leave. He would save the orange until his birthday in July. If he preserved it 8 , he might be able to eat it on his birthday. Christmas day finally came. The children were so 9 as they entered the dining hall. In his excitement, John knocked over something, causing a big 10 . Immediately the master shouted, "John, leave the hall and there will be no orange for you." John's heart 11 . He turned and ran back to the 12 room so that the children wouldn't see his tears. Then he heard the door open and the children entered. Little Elizabeth with a 13 on her face held out her small hands. "Here John," she said, "this is for you." As John 14 his head, he saw a big juicy 15 all peeled and quartered … Each child had sacrificed (舍弃) their own orange by 16 a quarter and had created a big, beautiful orange for him. John never forgot the sharing, love and personal 17 his friends had shown him that Christmas day. 18 that day, after he became rich, every year he 19 send oranges all over the world to children everywhere. His 20 was that no child would ever spend Christmas without a special Christmas fruit! | ||||
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