Scientists are closely concerned with the structure of buildings and with the quality of building materials. The World health Organization (WHO) observes that the introduction of air conditioning and energy conservation (保护) measures have been accompanied by growing problems of indoor air quality. Some pollutants arise from insulation (隔音) products, some from moving cars, and others from modern housing materials. As many Europeans spend up to 90% of their lives in buildings, the health effects of the indoor climate are very important.

  Some construction materials, including fiberboard, insulation foams and certain glues for man-made wood floor boards, for example, give out organic products such as formaldehyde (甲醛). Heat and humidity increase the release of formaldehyde and the gas seriously harms the eyes. Paint, lacquer, etc. can also release dangerous gas into indoor air.

  Construction materials can cause serious damage, especially when they contain asbestos(石棉). Asbestos is naturally present in rock formations worldwide. It belongs to a family of mineral substances made up of solid, non-combustible(非易燃品) fiber. These properties make asbestos a highly sought-after construction material. As early as 1931, however, public health officers in the United Kingdom revealed the connection between breathing in asbestos dust and such diseases as lung cancer.

  The land on which a building is sited may also contribute to pollution. Some kinds of granite or similar rocks contain traces of radium. As it breaks down, this naturally radioactive element produces some kind of radioactive gas that goes through tiny cracks in walls, floors and building materials, and makes its way into the building and the rooms. The better the homes are insulated, the more is the dangerous gas in indoor air. The main effect of this dangerous gas on health is to increase the risk of lung cancer.

1.What is the main idea of the passage?

    A.Some building materials pollute indoor air.

    B.Some factors cause indoor air pollution.

    C.Asbestos can cause lung cancer.

    D.The land on which houses are built contributes to indoor pollution.

2.Why are Europeans particularly concerned with building materials?

    A.Lots of building materials there are radioactive.

    B.They stay home up to 90% of their lives.

    C.They have a high rate of lung cancer.

    D.They spend most of their time indoors.

3.Why is asbestos a sought-after building material?

    A.It is a kind of insulation foam.

    B.Asbestos will not give out dangerous gas.

    C.This material is not easy to catch fire.

    D.It is rarely present in rock formations.

4.Why should we be careful about the land on which a building is to be sited?

    A.To determine whether the land is firm enough for a building to be sited on.

    B.To make sure that the land contains no radioactive material.

    C.To make certain that the land releases no formaldehyde or other gases.

    D.To check whether it contains any combustible materials.

 

 

The most exciting kind of education is also the most personal. Nothing can exceed (超越) the joy of discovering for yourself something that is important to you! It may be an idea or a bit of information you come across accidentally—or a sudden insight, fitting together pieces of information or working through a problem. Such personal encounters are the “payoff” in education. A teacher may direct you to learning and even encourage you in it—but no teacher can make the excitement or the joy happen. That's up to you.

20090318

 
A research paper, assigned in a course and perhaps checked at various stages by an instructor, leads you beyond classrooms, beyond the texts for classes and into a process where the joy of discovery and learning can come to you many times. Preparing the research paper is an active and individual process, and ideal learning process. It provides a structure within which you can make exciting discoveries, of knowledge and of self, that are basic to education. But the research paper also gives you a chance to individualize a school assignment, to suit a piece of work to your own interests and abilities, to show others what you can do. Writing a research paper is more than just a classroom exercise. It is an experience in searching out, understanding and synthesizing(综合), which forms the basis of many skills applicable(可利用的) to both academic and nonacademic tasks. It is, in the fullest sense, a discovering of an education. So, to produce a good research paper is both a useful and a thoroughly satisfying experience!

To some, the thought of having to write an assigned number of pages, often more than ever produced before, is upsetting. To others, the very idea of having to work independently is threatening. But there is no need to approach paper assignment with anxiety, and nobody should view the research paper as an obstacle to overcome. Instead, consider it a goal to accomplish, a goal within reach if you use the help this book can give you.

1.According to the writer, personal discoveries          

    A.will give one encouragement and direction

    B.are helpful in finding the right information

    C.are the most valuable part of one's personal education

    D.will help one to successfully complete school assignments

2.It can be inferred from the passage that writing a research paper gives one chances        

    A.to fully develop one's personal abilities

    B.to use the skills learnt in the classroom

    C.to prove that one is a productive writer

    D.to demonstrate how well one can accomplish school assignment

3.The writer argues in the passage that       

    A.one should explore new areas in research

    B.one should trust one's own ability to meet course requirements

    C.one should consider research paper writing a pleasure, not a burden

    D.one should use all one's knowledge and skills when doing research

4.What will probably follow this passage?

    A.How to write a research paper.

    B.The importance of research in education.

    C.How to make new discoveries for oneself.

    D.The skill of putting pieces of information together.

 

 

短文改错(共10小题;每小题1.5分,满分15分)

此题要求改正所给短文中的错误.对标题号的每一行做出判断:如无错误,在该行右边的横线上划(√);如有错误(每行只有一个错误),则按下列情况改正:

此行多一个词:把多余的词用斜线划掉,在该行右边横线上写出该词,并也用斜线划掉。

此行缺一个词:在缺词处加一个漏字符号(^),在该行右边横线上写出该加的词。

此行错一个词:在错的词下划一横线,在该行右边横线上写出改正后的词。

注意:原行没有错的不要改。

My husband and I had decided to buy a new house, and I

made the appointment to see our bank manager. I’ve never met  1.       

him ago and was a little nervous. I drove into town and        2.     

was luck enough to find a parking space outside the bank. I was 3.     

just starting into the space while another car drove into it. I was very       4.     

angry. I opened my window and shouted the other driver. He    5.      

ignored me and walked away. It spent me 20 minutes to find     6.     

another space. As soon as I had parked the car. I rushed into 7.     

the bank. I was 10 minutes later for my appointment. I went to8.     

the manager office, knocked and walked in. The manager was sitting9.     

behind his desk. It was the man who has taken my parking space. 10.     

 

 

 0  61571  61579  61585  61589  61595  61597  61601  61607  61609  61615  61621  61625  61627  61631  61637  61639  61645  61649  61651  61655  61657  61661  61663  61665  61666  61667  61669  61670  61671  61673  61675  61679  61681  61685  61687  61691  61697  61699  61705  61709  61711  61715  61721  61727  61729  61735  61739  61741  61747  61751  61757  61765  151629 

违法和不良信息举报电话:027-86699610 举报邮箱:58377363@163.com

精英家教网