在民航飞机上都要安装“黑匣子”。其原因是( )。A.利用其反动机 B.一旦飞机失事

题型:单项选择题

问题:

在民航飞机上都要安装“黑匣子”。其原因是( )。

A.利用其反动机

B.一旦飞机失事,可利用“黑匣子”记录的资料来调查事故的原因

C.“黑匣子”有利于飞机在飞行当中保持平稳

D.“黑匣子”在飞机紧急着陆时,可保护旅客的安全

考点:国家公务员行政职业能力测试行政职业能力测试
题型:单项选择题

阅读理解。

English Names

     Most English people have three names: a first name, a middle name and the family name. Their family

name comes last. For example, my full name is Jim Alan Green. Green is my family name. My parents

gave me both of my other names.

     People don't use their middle names very much. So "John Henry Brown" is usually called "John

Brown". People never use Mr. Mrs. or Miss before their first names. So you can say John Brown, or

Mr. Brown, but you should never say Mr. John. They use Mr. Mrs. or Miss with the family name but

never with the first name.

     Sometimes(有时) people ask me about my name. "When were you born? Why did your parents call

you Jim? Why did they choose that name for you?" The answer is they didn't call me Jim. They called me

James. James was the name of my grandfather. In England, people usually call me Jim for short. That's

because it is shorter and easier than James.

1. Most English people have _______ names.

A. one                      

B. two

C. three                    

D. four

2. _______ is Jim's family name.

A. Jim                          

B. Green

C. Alan                                  

D. James

3. English people use Mr. Mrs. or Miss with _______.

A. the family name

B. the first name

C. the middle name

D. the first name and the middle name

4. A teacher's name is Mary Joan Shute. Her students call her _______.          

A. Miss Mary            

B. Miss Joan

C. Miss Mary Joan    

D. Miss Shute

5. People usually call the writer Jim instead of (而不是) James because _______ .

A. it's the name of his grandfather

B. it's easier for people to call him

C. it's the name his parents choose for him

D. it's more difficult to pronounce (发音) than James

题型:单项选择题

被人们誉为首都的门户的是[ ]

A.秦皇岛

B.唐山市

C.承德市

D.天津市

题型:单项选择题

分别用λ和

4
的单色光照射同一金属,发出的光电子的最大初动能之比为1:2.以h表示普朗克常量,c表示真空中的光速,则此金属板的逸出功是多大?

题型:单项选择题

下列矿物中,不属于变质岩特征矿物的是()。

A.滑石 

B.石墨 

C.方解石 

D.石榴子石

题型:单项选择题

在现在的网络设计中,必须分析网络流量是如何分布的。以下关于20/80规则描述正确的是()

A.80%的流量在本地局域网,20%的流量访问远程资源

B.20%的流量在本地局域网,80%的流量访问远程资源

C.采用20/80规则的网络,用户的网络资源都在同一个局域网段中

D.采用20/80规则的网络,用户通过跨网段访问远程的服务器集群

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