根据《中 * * * * 程》总纲的规定，民族精神的核心是（）。
A.国际主义
B.爱国主义
C.民族主义
D.民粹主义
参考答案：B
Multipurpose Internet Mail Extension (MIME) is a (71) document messaging standard in theInternet enviroment.With MIME，users can send (72) Email messages that include audio，video，graphices，and text to any other user of TC/IP network.Richtext information can also be (73) into messages.It defines the fonts，formats，and (74) features of a document sothe document can be easily (75) on many different types of systems.
A．analog
B．many
C．multmedia
D．digital
属于内部电路故障的是（）
A.没有高压产生
B.电源插座
C.雷管接线柱
D.开关失灵
