Video conferencing is nothing more than a television set or PC monitor with a camera.Through the video conferencing, not only your voice but also your face, the surroundings and any other graphic and physical __1__ can be captured and transmitted through the communication system with or without wires. Of course, when you go into the details, the technology involved is very __2__ and the subject matter littered with jargon, such as ISDN (Integrated Services Digital Network), POTS (Plain Old Telephone Service) or the __3__ behind bandwidth, latency and isochrony which are used to explain how video conferencing works. Good people communication is __4__ in any business, and the more interaction you can achieve, the more likely it is that your __5__ will be the right ones. Video conferencing not only allows you to speak to people in different locations, but also note __6__ expressions and gestures that let you know what the other person is really thinking. Meetings are made more __7__ by sharing documents and computer applications that a simple telephone cannot __8__. Organizations are increasingly discovering the competitive advantages and the ____of video conferencing. With advances in performance, economical pricing, the ability to __10__ essential meeting tools and connectivity to global telephone networks and standardized video conferencing protocols, video conferencing is now a practical reality for any organization.[A]fortunately [B]effective [C]images [D] articulate [E] facial [F] manage [G] decisions [H] connect [I] advanced [J] integrate [K] progressive [L] concepts [M] power [N] increasingly [O] important参考答案：