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问题 单项选择题

我国人口已经进人老龄化阶段。人口老龄化问题是一个______大趋势。

A．国际性
B．全国性
C．地区性
D．局部性
E．整体性

答案

参考答案：B

问答题

In 2005, the recruitment examination for state civil servants attracted more than 540,000 applicants with more than 8,400 positions in 103 departments.
According to the statistics of the Ministry of Personnel from 1996 to 2003, only about 1.2 percent of civil servants changed jobs every year, while in business the figure was about 10 percent.

Topic: Why is civil servant a sought-after job


Questions for Reference:
1. What motivates the college graduates to be civil servants
2. Do you prefer to be a civil servant or a company clerk Why
3. What can we learn from the fact that undergraduates rush to be civil servants

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选择题

有一包碳酸铵样品，经测定该样品的含氮量为31%，则该样品中所含的一种杂质可能是下列中的（　　）

A．NH4HCO3

B．NH4NO3

C．NH4Cl

D．（NH4）2SO4
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