905-F的作用是什么?

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问题:

905-F的作用是什么?

考点:尿素车间工尿素操作工尿素操作工题库
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设全集U=R,A={x∈N|1≤x≤10},B={x∈R|x2+x-6=0},则A∩B=______.

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阅读下面的短文,完成测试任务。
1. The weather report, a story about the Pop stars and different cultures are examples of messages from the
media. Examples of media are television, radio, newspapers and books and the telephone. The media that can
reach many people at once are called mass media.
2. It is not difficult to think of other messages we receive through the mass media. Every day we get hundreds
of them. Think about ads, for example. We see and hear these messages almost everywhere we go. Ads are
important messages. Even though they sometimes make us feel rather angry, they help us know things well.
3. Most of us get more information from the media than from the classroom. Think, for a moment, about how
you learn about news and events. Do you learn them from other people or the media? What about international
news? What is the most important place of information for you? People who are asked this question usually
answer, "Television."
4. Think of all the messages you received today. Perhaps you read a newspaper during breakfast, or maybe you
read ads on billboards on your way to school. Did you listen to a weather report or the sports news on the radio
this morning? Now you are reading, and that's to say you're getting information through a very important
medium of mass.
5. The mass media are important to us because they shape our decisions and opinions.
注:(1) media 传媒 (2) mass media 大众传媒 (3) billboards 露天广告 (4) shape 影响
从所给的3个选项中分别为第2和第4段选择1个正确的小标题。其中一项多余。
A. Television-A Rich Place of Information
B. Ads as Important Messages from the Mass Media
C. Different Kinds of Messages One May Receive Each Day
1. Paragraph 2: _____
2. Paragraph 4: _____
 从所给的5个选项中选择3个正确的选项,分别完成下列句子。其中两项多余。
A. our messages   B. place of information   C. many examples
D. the mass media   E. our decisions and opinions
3. Each day we get a lot of messages from _____.
4. For most people television is the most important _____.
5. The mass media are important to us because they shape _____.
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2009年12月24至27日,香港冬季购物节在香港会议展览中心隆重登场,各种奢侈品纷纷打折。香港购物节每年都吸引我市众多白领到香港“血拼”,但这个冬季,到韩国扫货的风头,逐渐盖过香港购物。产生这种现象的原因可能是:

A.韩国消费水平不高

B.韩国处于卖方市场

C.人民币对韩元升值

D.人民币对韩元汇率下跌

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______ the picture. What can you ______ in the picture?    [ ]

A. Look in ; see  

B. Look at, see  

C. Look ; see    

D. see; look

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人民警察纪律的侧重点是警民关系,是对人民警察在履行职责的基础上提出的进一步的要求,即履行职责的职业道德要求。( )

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