大学英语四级选词填空练习（十九）

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 phisical __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__. __9__, organizations are discovering the competitive advantages and the power 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] pictures
[N] increasingly
[O] important