随意旁观者
参考答案:是偶然接触到媒介内容,没有预先形成某种接受期待、接受定向和接受需要,因而也就没有什么特定媒介内容需要锁定的受众。
用所给单词的适当形式填空。
1. I _____ (like) _____ (swim) very much when I _____ (be) a child.
2. I am very tired because I _____ (sleep) late.
3. _____ (be) he at school last Sunday?
4. It was very hot that day. We _____ (eat) some ice cream
5. Spring _____ (come) after winter.
韶山4型电力机车钩尾框厚度中修时的要求标准是()。
A.≥19mm
B.≥20mm
C.≥21mm
D.≥22mm