缀条式轴压柱的缀条可按轴心压杆设计，但钢材的强度要乘以折减系数以考虑（）。A.剪力的

（2009· 广东高考模拟）2008年12月3日，工业和信息化部印发《关于支持引导中小企业信用担保机构加大服务力度环节中小企业生产经营困难的通知》，指出要切实支持引导中小企业信用担保机构加大对经营困难的中小企业的担保力度。这有利于                                                    (   ）

①扩大就业，构建和谐社会　②实现市场平等竞争　③增加财政收入　④控制国民经济命脉

A．①②

B．①③

C．②④

D．③④

可伸小腿、屈大腿的肌是（）

A.股方肌

B.缝匠肌

C.耻骨肌

D.股四头肌

E.上孖肌和下孖肌

Land, unlike labor and capital, has a special feature: It is in strictly fixed supply in total. Be­cause of this, we say that its price is demand-determined. In other words, the price of land is determined completely by what families and firms are willing to pay for it. But not all the land is the same. Some land is more valuable than other land. The value of land to a potential user may depend upon the characteristics of the land itself or upon its location.

Consider the potential uses of a piece of land in a suburb of Kansas City, Allan wants to build a clothing store in that place. He estimates that he can earn economic profits of $ 10,000 per year there because of the land’s excellent location. Bella, another person interested in buying the comer, believes that she can earn $ 35,000 in economic profits if she builds a drug store there. Clearly, Bella will be more likely to get the land.

Because location is often the key to profits, ‘landowners are frequently able to squeeze their renters. One of the most popular locations in the Boston area, for example, is Harvard Square. There are dozens of restaurants in and around the square, and most of them are full most of the time. Despite this seeming success, most Harvard Square restaurant owners are not getting rich, because they must pay very high rents for the locations of their restaurants. A large part of the restaurant’s revenues goes to rent the land. 

Although the supply of land is generally perfectly fixed, the supply of land in a given use may not be so. As the population of a city grows, housing developers find themselves willing to pay more and more for land. As land becomes more valuable for development, some farmers sell out, and the supply of land that can be used for development increases.

5. What’s the difference between land and other resources?

A. Land’s supply is strictly fixed.  B. The prices of other resources are lower.

C. Land can’t be used up.        D. Land is more useful.

6. Which of the following can’t determine the price of a piece of land?

A. Its location.                               B. Its purchasers’ purpose.

C. The total amount of its supply for general use.   D. Its features.

7. Which of the following is wrong according to the passage?

A. The price of a piece of land is changeable.

B. The profit of a shop is often determined by its location.

C. Most Harvard Square restaurant owners would be getting rich, if they paid lower rents for the locations of their restaurants.

D. The supply of land for development might fall down.

8. Which of the following can be the best title of the passage?

A. The Use of Land                B. The Natural Resources 

C. The Land Market                D. The Land Development

说明下列密封材料的主要用途：聚四氟乙烯生料带、聚四氟乙烯衬垫制品、橡胶板、石棉板、金属缠绕式垫片、不锈钢透镜垫片、真空脂

租赁土地使用权作为国有土地使用权的一种，其主体为一般主体。除法律、法规规定的其他用地外，主要包括（）。

A.新增经营性用地

B.存量经营性划拨用地

C.依法取得场地经营权的外商投资企业用地

D.临时用地

E.改变用途、增加建筑面积而未补交地价的用地