Mass media performs three key functions: educating, shaping public relations, and advocating for a particular policy or point of view.
出自:兰州交通大学-土木工程-大学英语3

完成拼图验证

按住下方滑块,将拼图拖到缺口处后松开。

拼图背景,将小拼图拖到缺口处
向右拖动滑块