…others who put on programs means that______． A．people get on their clothes with programs printed Oil B．people prepare and present the programs on TV C．people like the programs D．people acted in the TV programs
As an industry,TV provides jobs for hundreds of thousands who make TV sets and broadcasting equipment.It also provides work for actors,technicians,and other who put onprograms.Many large schools and universities have"closed—circuit"television equipment that will telecast lectures and demonstrations to hundreds of students in different classrooms.And thelcctures can be video-taped to be kept for later use.Some hospitals use TV to allow medical studcnts to get close-up view of operations．In 1946,after World War Ⅱ,TV began to burst upon the American scene with a speed unfortseen even by the most optimistic leaders of the industry.The novelty of seeing TV picturesat home caught the public’s fancy and began a revolution in the world of entertainment.By 1950,television had grown into a major part of show business.Many film and stage stars began toperform on TV as television audiences increased.Stations that once telecast for only a few hoursa day sometimes telecast around the clock in the 1960s．