A、The beginning of regular commercially licensed sound broadcasting in U.S. was in 1920.
B、By 1928, the United States had three national radio networks.
C、After World War II, television’s visual images replaced the audio-only limitation of radi
A、provide the latest information
B、contribute to the education
C、serve as a way of entertainment
D、introduce you new things that you might be interested in
A、Newspapers offer the electorate objective reports about what is happening in the country.
B、In Britain, most advertising is carried in newspapers.
C、About half of newspapers are usually referred to as “the broadsheets” because they are printe
A、NBC
B、CBS
C、ABC
D、NPR
A、对
B、错
A、对
B、错
A、对
B、错
A、对
B、错
A、对
B、错
A、对
B、错