第五次人口普查,我国人口为十二亿九千五百三十二万人,写作(),省略亿后面的尾数约

题型:填空题

问题:

第五次人口普查,我国人口为十二亿九千五百三十二万人,写作(    ),省略亿后面的尾数约是(    )亿人。

考点:亿以上数的读法和写法整数的近似数及改写
题型:填空题

吸烟、饮酒、缺乏体育锻炼属于()

A.行为危险因素

B.物理性危险因素

C.医疗卫生服务中的危险因素

D.生物性危险因素

E.生物遗传危险因素

题型:填空题

阅读理解

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题型:填空题

下列化学用语中的数字与含义相符的是

A.Na——钠元素的化合价为+1价

B.CO2——二氧化碳中含两个氧原子

C.2NO2——2个二氧化氮分子

D.2H——1个氢分子由2个氢原子构成

题型:填空题

在系统开发过程中,进行处理流程设计时要用到的工具为()

A.数据流图

B.业务流程图

C.U/C矩阵

D.处理流程图

题型:填空题

历史模拟法在计算VaR时具有的优点有( )。

A.概念直观

B.无须进行分布假设

C.可以有效处理非对称的厚尾问题

D.计算简单

E.计算量较小

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