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所谓小概率原理,就是认为小概率事件在一次试验中是几乎不可能发生的。()

【参考答案】

正确

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计算存入非银行金融机构的存款占银行存款的比例，主要是为了分析这些资金的安全性。
A、正确
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单项选择题
Eleanor Roosevelt was the wife of America′s 32nd president,Franklin Roosevelt.She helped her husband in?many ways during his long（21）life.She also became one of the most（22）women in America.She fought for?equal rights for all people.
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After she finished school,Eleanor began（29）children to read and write in one of the poorest areas of New?York City.She also looked into（30）where workers were said to be badly（31）.She saw little children of four?and five years old working until they（32）to the floor.She became involved（参与）with other women who（33）the same ideas about improving social conditions.
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单项选择题
击实功一定的条件下，随土中粗粒含量的增多，土的最佳含水率ω0和最大干密ρmax的变化趋势一般为（）。
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