原发性肝癌定位诊断下列哪项最准确（） A.X线肝血管造影 B.CT肝动脉碘油造影 C

阑尾动脉来源于

A．右结肠动脉

B．中结肠动脉

C．肠系膜下动脉

D．肠系膜上动脉

E．回结肠动脉

Prior to the availability of enterprise EDM, locating a document over a LAN could be difficult, and over a WAN (1) nearly impossible. With the model for collaborative work spreading, and with more users sharing (2) documents through e-mail and the Internet, enterprise EDM had become a necessity.

Many businesses are finding their greatest competitive advantage is the ability to harness the document (3) lifecycle. EDM systems manage this lifecycle from creation, revision, storage and (4) retrieval to routing and workflow. They also allow users to work on documents collaboratively.

Reusability of information is EDM’s main benefit, as well as the key to creating the paradigms that drive business process (5) reengineering.

3（）

A．database

B．controller

C．lifecycle

D．center

宏程序与一般程序有何区别

我国各级人民代表大会的代表（）。

A.由选民直接选举产生

B.是我国各级国家机构的组成人员

C.是国家权力的直接行使者

D.有权直接参与制定和修改宪法及法律