问题 选择题

下图是四位同学正在讨论某一个化学方程式表示的意义,他们所描述的化学方程式是(  )

A.3Fe+2O2

 点燃 
.
 
Fe3O4

B.2Mg+O2

 点燃 
.
 
2MgO

C.2CO+O2

 点燃 
.
 
2CO2

D.CH4+2O2

 点燃 
.
 
CO2+2H2O

答案

答案:C

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.

单项选择题