社会医疗保险的主要政策
参考答案：
包括参保范围、资金来源、待遇标准、医疗费用的支付方式及管理和经办等方面。
结构化分析和设计方法是在分析阶段建立系统的逻辑模型，而在设计阶段建立系统的 ______。
Multipurpose Internet Mail Extension (MIME) is a (76) document messaging standard in the Internet environment. With MIME, users can send (77) E-mail messages that include audio, video, graphices, and text to any other user of a TCP/IP network. Richtext information can also be (78) into messages. It defines the fonts, formats, and (79) features of a document so the document can be easily (80) on many different types of systems.
A．analog
B．many
C．multimedia
D．digital
