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问题 单项选择题

Why is convexity a good thing for a bond holder Because when compared to a low convexity bonds a high convexity bond:（）

A. has better price changes regardless of the direction of the yield change.

B. is more sensitive to interest rate changes, increasing the potential payoff.

C. has improved estimation of price changes.

答案

参考答案：A

解析：

Relative to a bonds with low convexity, the price of a bond with high convexity will increase more when rates decline and decrease less when rates rise.

完形填空

根据短文内容，从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。

Business is the organized approach to providing customers with the goods and services they want. The world business also refers to an organization that provides these goods and services. Most business seek to make a profit(利润)—that aim to achieve income that is more than the costs of operating the business. 小题1:  Commonly called nonprofits, these organizations are primarily nongovernmental service providers. 小题2: 

Business management is a term used to describe the techniques of planning, direction, and control of the operations of a business. 小题3:  One is the establishment (制定)of broad basic policies with respect to production; sales; the purchase of equipment, materials and supplies; and accounting. 小题4: The third relates to the establishment of standards of word in all departments. Direction is concerned primarily with supervision(监管)and guidance by the management in authority. 小题5: 

A．The second aspect relates to the application of these policies by departments.

B．However, some businesses only seek to enough to cover their operating costs.

C．Control includes the use of records and reports to compare actual work with the set standards for work.

D．Examples of nonprofit business top management and operative management.E. Planning in business management has three main aspects.

F. In the theory of business management, organization has two main aspects.

G. In this connection there is the difference between top management and operative management.
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单项选择题

萎缩性胃炎伴重度不典型增生应采用

A．质子泵抑制剂
B．手术切除
C．饮蛋清及稀释牛奶
D．多潘立酮(吗丁啉)
E．洗胃
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