安定类急性中毒的临床表现主要在哪些方面（）

A.心血管系统

B.消化系统

C.泌尿系统

D.肌肉+中枢神经系统

E.外周神经系统

Multipurpose Internet Mail Extension (MIME) is a (71) document messaging standard in the Internet enviroment, with MIME, users can send (72) Email messages that include audio, video, graphices, and text to any other user of a TCP/IP network. Richtext information can also be (73) into messages. It defines the fonts, formats, and (74) features of a document so the document can be easily (75) on many different types of systems.

A．analog

B．many

C．multimedia

D．digital