She was so ______ in her work that she didn't notice me when I entered the room
A.suffocated
B.dipped
C.immersed
D.submerged
第6题
A.媒体概念特指音频和视频
B.多媒体就是文本、音频、视频、图形、图像、动画的综合体
C.媒体概念不包括文本
D.媒体就是指存储的载体,也就是存储媒体
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