下列属于传播控制的形态是（）
A、政治控制
B、观众控制
C、传媒控制
D、广告控制
参考答案：A
地台是相对稳定的地区.
You want to invite Susan to a party. Write an invitation letter to her, elaborating on the reason why such a party should be held and what activities will be arranged for them.
Do not sign your own name at the end of the letter. Use "Li Ming" instead.
Do not write the address.
