某类产品的不合格率为0.2,现在用抽样方案(100,0)对多批产品进行抽样检验。已知

题型:单项选择题

问题:

某类产品的不合格率为0.2,现在用抽样方案(100,0)对多批产品进行抽样检验。已知每批产品的批量为10000,则:

平均检出质量AOQ为( )。

A.0.018

B.0.18

C.0.22

D.0.022

考点:质量工程师中级质量专业理论与实务中级质量专业理论与实务
题型:单项选择题

阅读理解

     How words came into being is unknown.All we assume(推测)is that some early men invented certain

sounds,in one way or another,to express thoughts and feelings,actions and things,so that they

could talk with each other.Later they agreed upon certain signs,called letters,which could be put

together to show those sounds,and which could be written down.Those sounds,whether spoken or

written in letters,are called words.

    The power of words,then,lies in their associations-the things they bring up to our minds.Words

become filled with meaning for us by experience;and the longer we live,the more certain words bring

back to us the happy and sad events of our past;and the more we read and learn,the more the

number of words that mean something to us increases.

    Great writers are those who not only have great thoughts but also express these thoughts in words

which have powerful effects on our minds and feelings.This clever use of words is what we call literary

style(文体). Above all,the real poet is a master of words.He can express his meaning in words which

sing like music,and which by their position and association can move men to tears.We should therefore

learn to choose our words carefully and use them correctly,or they will make our speech silly and

common.

1. We learn from the text that language might have begun with ________.

A. expressions     

B. actions

C. signs  

D. sounds

2. What is mainly discussed in Paragraph 2?

A. The learning of new words.

B. The importance of old words.

C. The relation of human experience with words.

D. The gradual change and development of words.

3. In the last paragraph,what does the author suggest that we should do?

A. Use words skilfully.

B. Make musical speeches.

C. Learn poems by heart.

D. Associate with listeners.

题型:单项选择题

工程量清单中的分部分项工程量应按( )。

A.企业定额规定的工程量计算规则计算
B.设计图纸标注的尺寸计算
C.通常公认的计算规则计算
D.国家规范规定的工程量计算规则计算

题型:单项选择题

不宜用腹部仰卧前后位摄影的是()

A.观察泌尿系结石

B.观察腹部钙化

C.观察造影显示

D.观察腹部异物

E.观察肠梗阻气液平面

题型:单项选择题

瓜藤缠的皮疹特点是散在性皮下结节,鲜红之紫红色,大小不等,疼痛或压痛,好发于()

题型:单项选择题

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上述材料是如何体现意识的能动作用的?

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