四六级

　　英语口语对于很多同学来说，是一件十分尴尬的事情，在2017上半年英语六级口语备考中，多练习才是硬道理，下面是文都网校小编为您整理的2017年6月六级英语口语练习题：电视。赶紧跟你的小伙伴儿一起来练习口语吧~

　　2017上半年英语六级口语场景对话练习汇总

　　Television

　　Television-----the most pervasive and persuasive of modern technologies, marked by rapid change and growth-is moving into a new era, an era of extraordinary sophistication and versatility, which promises to reshape our lives and our world. It is an electronic revolution of sorts, made possible by the marriage of television and computer technologies.

　　The word "television", derived from its Greek (tele: distant) and Latin (visio: sight) roots, can literally be interpreted as sight from a distance. Very simply put, it works in this way: through a sophisticated system of electronics, television provides the capability of converting an image (focused on a special photoconductive plate within a camera) into electronic impulses, which can be sent through a wire or cable. These impulses, when fed into a receiver (television set), can then be electronically reconstituted into that same image.

　　Television is more than just an electronic system, however. It is a means of expression, as well as a vehicle for communication, and as such becomes a powerful tool for reaching other human beings.

　　The field of television can be divided into two categories determined by its means of transmission. First, there is broadcast television, which reaches the masses through broad-based airwave transmission of television signals. Second, there is nonbroadcast television, which provides for the needs of individuals or specific interest groups through controlled transmission techniques.

　　Traditionally, television has been a medium of the masses. We are most familiar with broadcast television because it has been with us for about thirty-seven years in a form similar to what exists today. During those years, it has been controlled, for the most part, by the broadcast networks, ABC, NBC, and CBS, who have been the major purveyors of news, information, and entertainment. These giants of broadcasting have actually shaped not only television but our perception of it as well. We have come to look upon the picture tube as a source of entertainment, placing our role in this dynamic medium as the passive viewer

　　2017上半年英语六级口语场景对话练习汇总

　　每天进步一点点，6月通关大可期！2017年6月英语四六级备考之路，文都网校四六级资讯站愿助您一臂之力！更多2017年6月英语四六级备考资讯，请点击文都网校四六级资讯站！