什么叫“无头轧制”?其优点是什么?

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问题:

什么叫“无头轧制”?其优点是什么?

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阅读理解

         阅读下列短文,从每题所给的A 、B 、C 、D四个选项中, 选出能回答所提问题或完成所给句子的最佳选项。

        When  English people meet, their first words will be “How do you do?” or“How are you?” After the

reply “How do you do?” or “Fine, thank you, and you?” they often talk about the weather. The reason for this is not simply that their weather is interesting and changeable but that the English people don't like

talking about personal matters (私事) with people who are not friends. Talking about the weather can be a useful way of starting a conversation with a stranger in public.

1. What are the first words when English people meet?  

A. Say “hello” to each other.    

B. Say “goodbye” to each other.

C. Talk about the weather          

D. Talk about their personal matters.

2. What's the answer to “How do you do”?

A. Fine, thank you, and you?        

B. How are you?

C. How do you do?                

D. I'm fine, too.

3. Why do the English people often talk about the weather?

A. Because the weather is interesting.

B. Because they don't like talking about personal matters with stranger.

C. Because the weather is changeable.

D. A, B and C are all right.

4. From the article, you know that the English people talk about the weather to ______

A. finish a conversation with a friend.    

B. start a conversation with a stranger.

C. say “goodbye” to a stranger.    

D. study the weather.

5. Which sentence is not right?

A. English people like talking about the weather.

B. English people usually talk about personal matters with friends but not strangers.

C. English people like talking about personal matters with strangers in public.

D. The weather in England is interesting and changeable.

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在20以内,______既是奇数又是合数;______既是质数又是偶数.

题型:问答题 简答题

我国冠心病最重要的危险因素是( )

A.高脂血症

B.高血压病

C.吸烟

D.遗传因素

E.糖尿病

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京九铁路中段有一些明显的曲折,其主要考虑的区位因素是(  )

A.与公路、水路的连接

B.地形的起伏

C.有利于帮助沿线更多地区建立对外联系通道

D.依河而建

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关于会计的职能,下列说法正确的有______。

A.会计监督是会计核算的基础

B.会计监督是会计核算质量的保证

C.没有核算所提供的信息,监督就失去依据

D.还具有预测经济前景、参与经济决策、评价经营业绩等功能

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