What the researchers have observed recently shows that _____.
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A analyze the consequences of social epidemics B discuss influentials’ function in spreading ideas C exemplify people’s intuitive response to social epidemics D describe the essential characteristics of influentials.
5 .The author suggests that the “two-step-flow theory” _____.
A serves as a solution to marketing problems B has helped explain certain prevalent trends C has won support from influentials D requires solid evidence for its validity
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9 .What is the essential element in the dynamics of social influence?
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