问题 单项选择题

人们通常把天然气、石油液化气、煤气等可燃性气体都叫做煤气。煤气给人们生活带来了许多方便,但如果使用不当,它也会造成灾难。下列使用方法中不正确的是( )

A.使用人工点火的燃气灶具,在点火时,要坚持"火等气"的原则,即先将火源凑近灶具然后再开启气阀

B.经常保持燃气器具的完好,发现漏气,及时检修;使用过程中遇到漏气的情况,应该立即关闭总阀门,切断气源

C.燃气使用十分方便,即使燃气器具处于工作状态,只要其运行稳定,门窗关闭完好,人也可以长时间离开

答案

参考答案:C

阅读理解

  Alexis De Tocqueville,the French political scientist,,historian,philosopher and politician.Is most famous for a four-volume book he wrote called Democracy in America.He came to America in 1831 to study the American form of democracy’and what it might mean to the rest of the world.After a visit of only nine months,,he wrote a remarkable book which is regarded as a classic.De Tocqueville had unusual powers of observation.He described not only the democratic system of government and how it operated,but also its effect on how Americans think, feel, and act, Many scholars believe he had a deeper understanding of traditional American beliefs and values than anyone else who has written about。the United States.What is so remarkable is that

many of these characteristics which he observed nearly 200years ago are still visible and

meaningful today.His observations are also important because the timing of his visit,the 1830s,was before America was industrialized.This was the era of the small farmer,the small businessman,and the settling of the western frontier.It was the period of history when the traditional values of the new country were newly established.In just a generation,some 40 years since the adoption of the U.S:Constitution.the new form of government had—already produced a society of people with unique values.He was,however,a fair observer and saw both the good and bad sides of these qualities.

The first part of Democracy m America was written in 1831—32 and published in 1835.A highly positive and optimistic account of American government and society,the book was very well received.He attempted to get a glimpse of the core of American society.all the while promoting his own philosophy:the equaling of the classes and the unavoidable depth of aristocratic(贵族的)privilege The rest of the book he labored on for four years.and in 1840 the second part was published.This was substantially more pessimistic than the first,warning of the dangers despotism (暴政)and governmental centralization,and applying his ideas and criticisms more directly to France.As a result, it was not received as well as the first part,except in England where it was highly thought of.

小题1:What is the passage primarily about?

A.Alexis De Tocqueville

B.Democracy in America

C.The progress achieved in America within about 40 years after adoption of the U.S.Constitution.

D.The influence of the book Democracy in America小题2:What in the passage is mentioned as being truly remarkable?

A.Many of his observations are still visible and meaningful today.

B.The book was so detailed and thorough after only such a comparatively short visit.

C.That the second volume should be so pessimistic in comparison with the first.

D.De Tocqueville’s powers of observation.小题3:Which of the following can be inferred from the passage?

A.The English don’t like the French

B.The book was most important because it was the first time that American values had been

clearly documented.

C.De Tocqueville was a slow writer.

D.De Tocqueville was primarily motivated by an interest in his own country.小题4:Which of the following is TRUE according to the passage?

A.The visit lasted only five months.

B.The visit coincided with American industrialization.

C.The first part was published in 1835;the second part in 1840.

D.The second part was more optimistic than the first.

单项选择题