题目内容

Multipurpose Internet MaiI Extension (MIME) is a (1) document messaging standard in the Internet enviroment, with MIME, users can send (2) E-mail messages that include audio, video, graphices, and text to any other user of a TCP/IP network. Richtext information can also be (3) into messages. It defines the fonts, formats, and (4) features of a document so the document can be easily (5) on many different types of systems. 5（）

A. restored
B. redisplayed
C. stored
D. executed

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在时间和数值上都是连续的信号的通信称为 (1) 。对模拟信号进行一次测量称为 (2) 。 2（）

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Multipurpose Internet MaiI Extension (MIME) is a (1) document messaging standard in the Internet enviroment, with MIME, users can send (2) E-mail messages that include audio, video, graphices, and text to any other user of a TCP/IP network. Richtext information can also be (3) into messages. It defines the fonts, formats, and (4) features of a document so the document can be easily (5) on many different types of systems. 1（）

A. complete
B. compound
C. simple
D. efficient

把十六进制的IP地址C22F1588，该地址属于 (1) 类网络地址，该种类型地址的每个子网最多可能包含 (2) 台主机。 2（）

A. 255
B. 254
C. 127
D. 126