29. Media-X helps companies by providing advice on

Media-X helps companies by providing advice on A: market research. B: technical support. C: pricing strategy.

According to ____, mass media can be classified into print media, electronic media and new-age media.

Talking about the relationship between the both sides of communication, the three communication media were described in such a way that interpersonal media is as "one to one", mass media is as "one to many" and, finally new media is as individuation media or "__________".

The mass media are diversified media technologies that can _________.

“多媒体技术”中的媒体是指_____The term "multimedia technology" means the media is ___. A: 传输媒体Transmission media; B: 存储媒体Storage media; C: 表示媒体Presentation media; D: 感觉媒体Sensory media;

卸载/media目录的命令是（） A: umount/media B: mkfsmedia C: mkswap/media D: mountmedia

指定设备类型仅为屏幕设备的媒体查询语句是（　 　）。 A: @media not screen B: @media only print C: @media only speech D: @media only screen

挂载Linux操作系统光盘，到本地目录/media/cdrom的Linux命令是（）。 A: mount/dev/cdrom/media/cdrom B: mount/dev/media/cdrom C: mount/media/cdrom/dev/cdrom D: mount/cdrom/media/cdrom

使用命令“mount /dev/cdrom /media/cdrom”将光盘挂载后，应使用（ ）命令对光盘进行卸载。 A: unmount -U /media/cdrom B: unmount /media/cdrom C: umount /media/cdrom D: mout -U /media/cdrom