脱硫PC1A段框架开关控制电源电压为()。 A.380V交流电 B.220V直流电

题型:单项选择题

问题:

脱硫PC1A段框架开关控制电源电压为()。

A.380V交流电

B.220V直流电

C.110V直流电

D.220V交流电

考点:企业文化企业建设知识竞赛华润电力有限公司发电部知识竞赛华润电力有限公司发电部知识竞赛题库
题型:单项选择题

下列划线字解释全都正确的一项是  (   )

A.峥嵘岁月稠(山势高大的样子)浪遏飞舟(阻止)

B.谁主沉浮(这里指盛衰)挥斥方遒(指挥,斥责)

C.激扬文字(激浊扬清)得失俱亡(无)

D.粪土当年万户侯(使……成为粪土)奇诡(奇异)

题型:单项选择题

建造师是一种专业人士的名称,而项目经理是( )的名称。

A.一种行政级别
B.一个项目
C.一个工作岗位
D.一种专业人士

题型:单项选择题

你注意过吗?家庭使用的铁制工具隔一段时间不用就变得锈迹斑斑,而街心广场矗立的不锈钢雕塑,几经风霜雨雪总能保持原有 的本色。锰(Mn)就是不锈钢的主要添加元素之一,它可以提高不锈钢的耐腐蚀性。

(1)铁与空气中的水和_____直接接触会导致铁制品的锈蚀。

(2)不锈钢属于_________(填序号)。

A.纯净物       B.金属材料      C.合成材料       D.复合材料

(3)某化学兴趣小组的同学为了探究锰、镁、铜三种金属的活动性,他们首先将锰片插入到氯化镁溶液中,一段时间后观察到锰片表面无明显变化;将锰片插入到氯化铜溶液中,一段时间后观察到锰片表面有红色物质生成。

①根据以上实验判断,三种金属的活动性由强到弱的顺序是_________。

②写出单质锰(Mn)与氯化铜溶液反应的化学方程式_________(该化合物中Mn元素显+2价)。

题型:单项选择题

阅读理解。

     In the USA Forbes magazine has published its annual list of the richest people in the world. Bill Gates

of Microsoft is the richest man again for the eleventh successive year with a fortune of forty four billion

dollars.

    There are a record 691 dollar billionaires according to Forbes magazine. Between them they have a

fortune of two point two trillion dollars. The highest concentration of the ultra-rich is in New York followed by Moscow and San Fransisco and then London and Los Angeles. But in total the very wealthy live in

forty seven different countries with Iceland Kazakstan Ukraine and Poland entering the list for the first

time this year.

     Laksmi Mittal, an Indian born steel tycoon (巨头)enjoyed the biggest increase in personal fortune.

His net worth has quadrupled (变成四倍)to thirteen billion dollars making him the world's third richest

man. Ingvar Kamprad founder of the Swedish furniture chain Ikea also saw a big increase in wealth

taking him to the sixth place. Developing countries make more of a showing than in past years - there are

for example three Russians and four Indians in the top sixty richest people, though surprisingly perhaps

none from China excluding Hong Kong. Asian wealth is probably under represented as its usually spread

among families whereas Forbes looks at individuals. Relatively few women feature in the list - among them is JK Rowling, author of the Harry Potter novels ranked 620th with a fortune of 519 million dollars. New

entrants to the list include the founders of the Internet search group Google Sergie Brin and Larry Page

each worth more than seven billion dollars after their company's recent stock market debut. The richest

Italian is the prime minister Silvio Berlusconi ranked number 25 in the global wealth league.

1. Which of the following persons has the largest fortune according to this year's  Forbes magazine?

A. Laksmi Mittal.      

B. Ingvar Kamprad.

C. JK Rowling.        

D. Silvio Berlusconi.

2. There are about _____ persons with a fortune between 100 million dollars and 519 million dollars in the world.

A. 300   

B. 180    

C. 70    

D. 150

3. Which of the following statements is NOT true?

A. No Chinese has entered the top sixty richest people in the world.

B. Russia is a developing country.

C. This is the first time that Sergie Brin and Larry Page has been included in the list.

D. There are more billionaires(亿万富翁) in New York than any other city in the world.

4. We can infer from the passage that ______.

A. There are more billionaires in London than in Moscow.

B. Ukraine is a very rich country in the world.

C. JK Rowling's novels have sold very well.

D. The IT industry is a profit making industry.

题型:单项选择题

对于附息债券来说,当购买价格低于面值时( )。

A.到期收益率大于息票率

B.到期收益率等于息票率

C.到期收益率小于息票率

D.以上情况均有可能

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