单项选择题

According to the author, the most important step in developing an effective campaign is ______.

A．to select the best possible media
B．to create a good environment
C．to collect some information
D．to define the objectives
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单项选择题
print media in the passage (Para. 5) probably refers to ______ .
A．radio and television
B．newspaper and radio
C．magazine and television
D．newspaper and magazine
单项选择题
This passage tells us how to ______.
A．find a suitable creative approach
B．develop an effective campaign
C．create a progressive image
D．establish the objectives
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