A) does not exceed that of programs
B) is greater than that of programs
C) varies over a large range than that of programs
D) is less than that of programs
2. Commercials create che sensation of loudness because____________________.
A) TV stations always operate at the highest sound levelsB) their sound levels are kept around peak levels
C) their sound levels are kept in the middle frequency ranges
D) unlike regular programs their intensity of sound varies over a wide range
3. Many commercials begin with a cheerful song of some kind because_________________.
A) pop songs attract viewer attentionB) it can increase their loudness
C) advertisers want to make them sound different from regular programs
D) advertisers want to merge music with commercials
4. One of the reasons why commercials are able to attract viewer attention is that_____________.
A) the human voices in commercials have more auditory impactB) people like cheerful songs that change dramatically in sound quality
C) high-frequency sounds are used to mask sounds that drown out the primary message
D) they possess sound qualities that make the viewer feel that something unusual is happening
5. In the passage, the author is trying to tell us________________.
A) how TV ads vary vocal sounds to attract attentionB) how the loudness of TV ads is overcome
C) how advertisers control the sound properties of TV ads
D) how the attention-getting properties of sounds are made use of in TV ads