下列说法正确的是( )。

A．内部融资是来源于公司内部的筹资，即公司将自己的储蓄(未分配利润和折旧)转化为投资的融资方式

B．外部融资是来源于公司外部的融资，包括发行股票、发行债券、向银行借款，公司获得的商业信用、融资租赁不属于外部融资的范围

C．内部融资的成本主要是机会成本和直接的财务成本

D．直接融资与间接融资的数量比例关系是运用最多、最广泛的融资结构表现形式

E．内部融资的低风险性，一方面与其低成本性有关，另一方面是它不存在支付危机，因而不会出现由支付危机引起的财务风险

Personal computers are used by one person at a time. The largest personal computer, or PCS, can fit on a (1) . Some of these (2) have more than one microprocessor. (3) the primary processor, which is a general-purpose device, a PC may have one or more processors to (4) special kinds of work. Some machines, (5) , have maths processors, others have graphics processors to help process photographs and other illustrations. Still others have (6) processors.
Office workers also use PCS that are not (7) to a network. These machines are used for (8) tasks as word processing, performing financial calculations, and organizing and (9) bodies of information called databases. People use PCS at (10) for some of the same kinds of tasks. They use word processing programs for (11) Communication, financial software for household budgets. Individuals also use their home computers to play (12) and to communicate (13) the internet.
Small, portable PCS are (14) with people who often work away from their desks. The (15) include laptop computers, which can be (16) on the lap; notebook computers, which are about the (17) of a loose leaf notebook; and palmtop, or handheld computers, which can be operated while (18) in the hand. Laptop and notebook computers have the same (19) as desktop computers. Palmtop computers have less power but still (20) some advanced capabilities. For example, they can process household financial data.

二、完形填空

A．put

B．set

C．fixed

D．held