20.（）是指观察者不参与观察对象的活动，只是作为局外人冷眼旁观，如实记录。有时可通过闭路电视等在另外的地方进行观察。 A. 访谈法 B. 完全参观察 C. 半参与观察 D. 非参与观察 ...

14.()是指特定时期内收看（收听）某一媒体或某一媒体特定节目的人次数总和。 A. 到达率 B. 视听众暴露度 C. 有效到达率 D. 总视听率 ...

8.打电话时要注意时间，在()之前和()之后切忌打扰。 A. 5点、15点 B. 6点、18点 C. 7点、22点 D. 8点、23点 ...

2.传统的四大广告媒体是()。 A. 广播、电视、报纸、杂志 B. 网络、电视、报纸、杂志 C. 电影、电视、广播、网络 D. 户外、电视、报纸、杂志 ...

21.We were deeply impressed by her important ____ to the success of the project. A. work B. determination C. improvement D. contribution ...

15.Have you any ____ that you were not there at 9 o'clock last night A. statement B. cause C. words D. proof ...

9.Only guests of the hotel enjoy the ____ of using the private beach. A. privilege B. possibility C. favor D. advantage ...

3.Americans are pound of their variety and individuality, yet they love and respect few things more than a uniform, whether it is the uniform of an elevator operator or the uniform of a five-star general. Why are uniforms so popular in the ...

22.Do you think there would be less conflict in the world if all people ____ the same language A. spoke B. speak C. had spoken D. will speak ...

16.We kept our ____ all night to frighten the wolves. A. burning fire B. burnt fire C. fire burning D. fire burnt ...