填空题. A—Research and Analysis B—Role of Departments C—Communication Process D—Sampling Public Opinion E—Dealing with News Media F—Planning Actions G—Reaching the Audience H—Opportunities in the Print Media I—Feedback and Evaluation J—Public Opinion and Persuasion K—Social and Cultural Agencies L—Entertainment and Sports M—Government and Public Affairs N—Membership Organizations O—Legal Problems P—International Public Relations