广告行业自律与广告行政管理相比，广告行业自律具有自己的鲜明特点：自发性、自愿性、灵活性、___ 。
参考答案：道德性
用所给单词的适当形式填空。
1. If I _____(be) a scientist, I _____ (will) combine a sheep and a poatato.
2. It’s snowing today. Jenny had beter _____ (not go) out.
3. Have you ever studied _____ (clone)?
4. You and your sister look the same. I can hardly _____ (identical) you two.
5. Sam’s grandfather has been _____ (die) for many years.
广播员应知业务知识有哪些？
