大众传播的常见障碍（）
A．受众的心理障碍
B．传播信息中符号的转化障碍
C．人为干扰和机械障碍
D．语言障碍
E．性别障碍
参考答案：A, B, C, D
—What did she say?
—She said that she_____three languages. [ ]
A. spoke
B. could spoke
C. could
D. could speak
犯罪情报分析研判
