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
What does the author imply by saying too much illustration and too few detailed data (Para. 6)
A．Explain too much with no figures and facts.
B．Emphasize the details without illustration.
C．Explain nothing about the objectives.
D．Illustrate too few detailed data.
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