题目内容
假定一个拥有一亿人口的大国和五百万人口的小国居民年龄差异程度相同，采用抽样方法各自抽取本国的1%人口计算平均年龄，则样本平均年龄的标准差()。
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《政府采购货物和服务招标投标管理办法》中第64条的“复核”“重新评审”，应先报告本级财政部门，同意后才能进行。()
参考答案：错误
This ideal is a vital part of the American dream. This dream, dramatized in the history of nineteenth century European settlers of American West, was to find a piece of place, build a house _____2_____ for one？s family, and started a farm. These small households were _____3_____portraits of independence: the entire family- mother, father, children,even grandparents-live in a small house and working together to _____4_____support each other. Anyone understood the life-and-death importance _____5_____ of family cooperation and hard work. Although most people in theUnited States no longer live on farms, but the ideal of home ownership _____6_____ is just as strong in the twentieth century as it was in the nineteenth.
When U.S. soldiers came home before World WarⅡ, for example, _____7_____ they dreamed of buying houses and starting families. But there was _____8_____ a tremendous boom in home building. The new houses, typically inthe suburbs, were often small and more or less identical, but it satisfied _____9_____ a deep need. Many regarded the single-family house the basis of their _____10_____ way of life.
邀请招标的供应商是由政府采购代理机构指定的。()
参考答案：错误
供应商有()情形之一的，中标、成交无效。
A提供虚假材料谋取中标、成交的
B采取不正当手段诋毁、排挤其他供应商的
C与采购人、其他供应商或者采购代理机构恶意串通的
D向采购人、采购代理机构行贿或者提供其他不正当利益的
E在招标采购过程中与采购人进行协商谈判的
F拒绝有关部门监督检查或者提供虚假情况的
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