单项选择题

In the passage, the author is trying to tell us ______.

A．how TV ads vary vocal sounds to attract attention
B．how the loudness of TV ads is overcome
C．how advertisers control the sounds properties of TV ads
D．how the attention-getting properties of sounds are made use of in TV ads

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热门试题

单项选择题

According to the passage, the maximum intensity of sound coming from commercials ______.

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 that that of programs

单项选择题

According to the author, the following are the function of a junior and community college except ______.

A．it can help you become better equipped to continue education
B．it can help you to learn to face the challenges in life
C．you will learn how to think and learn
D．you will have decision-making classes