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问题 单项选择题

女，42岁，10多年来经常咳嗽，有时咳黄痰，3天前突然咯血约150ml。查体：心肺无明显阳性体征，胸片：双肺下野纹理略增强，最可能的诊断是

A．支气管扩张症

B．支气管肺癌

C．支气管囊肿继发感染

D．支气管内膜结核

E．慢性支气管炎

答案

参考答案：A

阅读理解

Recently, an Internet game has become a new fashion among young office workers and students. People can “farm” on a piece of “land” and “grow”, “sell” or even “steal vegetables”, “flowers” and “fruits” on the Net. They can earn some e-money and buy more “seeds”, “pets” and even “houses”.

Joyce interviewed some young people. Here are their opinions:

Harold: I don't quite understand why they are so mad about the childish game. Maybe they are just not confident enough to face the real world.

Allan: I enjoy putting some “bugs” in my friends’ gardens and we’ve become closer because of the game. Having fun together is the most exciting thing about it.                                

Laura: You know, people in the city are longing for（渴望）the life in the countryside. It reduces my work pressure（压力）. Besides, it gives me the exciting experience of being a “thief”.

Ivy: Well, it's just a waste of time. Teenagers playing the game spend so many hours on it that they can not focus on （专注于）their study.

小题1: According to the passage, people can’t          things in this game.

A．grow

B．borrow

C．steal

D．sell小题2: Among the people Joyce interviewed, _____ likes the game while      dislikes the game.

A．Laura, Allan

B．Allan, Harold

C．Harold, Ivy

D．Ivy, Allan小题3: From Laura's words, we can guess that she's most probably        .

A．a student

B．an office worker

C．a farmer

D．a thief小题4:Which is NOT the reason why people like the game?

A．They are longing for country life.

B．They can have fun with friends.

C．The game can relax people and give them a new experience.

D．They are confident enough to face the real world.小题5:Where can you find this passage?

A．In a car magazine.

B．In an advertisement.

C．In a newspaper.

D．In a science book.
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填空题


The central problem of economics is to satisfy the people’s and nation’s wants. The problem we are faced with is that our (1) , here identified as money, are (2) . The only way we can resolve our (3) is to make choices. After looking at our resources, we must examine our list of (4) and identify the things we need (5) , those we can postpone, and (6) we cannot afford. As individuals, we face the central problem involved in economics — deciding just how to allocate our limited resources to provide ourselves with the greatest (7) of our wants.
Nations face the same problem. As a country’s population (8) , the need for more goods and services grows (9) . Resources necessary to production may increase, but there are (10) enough resources to satisfy the total desires of a (11) . Whether the budget meeting is taking place in the family living-room, in the conference room of the corporation (12) of directors, or in the chamber of the House of Representatives in Washington, the basic problem still exists. We need to find (13) of allocating limited resources in order to satisfy unlimited wants.
A short time ago, economists divided goods into two categories, free and economic. The former, like air and water, were in (14) abundance that economists had no concern about (15) of scarcity and what to do about it. Today many of these "free goods" are in (16) very expensive to use. Pollution has made clean air and water expensive for producers who have to filter their waste products, for consumers who ultimately pay for the producers’ extra costs, and (17) tax-payers who pay for the government’s involvement in cleaning the environment.
In the 1990s, almost all goods are (18) . Only by effort and money can they be (19) in the form people wish.
Meeting the needs of people and the demands from resources available leads to the basic activity of production. In trying to (20) unlimited wants from limited economic goods, production leads to new problems in economics.
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