单项选择题

The following statements are wrong except ______.

A．I learned philosophy at Dean College
B．I got my bachelor's degree at Dean College
C．it is a teacher at Dean College who led me to economics
D．I go back to Dean College from time to time after I graduate from it

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热门试题

单项选择题

One of the reasons why commercials are able to at, act viewer attention is that ______.

A．the human voices in commercials have more auditory impact
B．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

单项选择题

Many commercials begin with a cheerful song of some kind because ______.

A．pop songs attract viewer attention
B．it can increase their loudness
C．advertisers want to make them sound different from regular programs
D．advertisers want to merge music with commercials