| Publicity offers several benefits.
There are no costs for message time or space. An ad in prime time television may
cost $250,000 to $500,000 or more per minute, whereas a five-minute report on a
network newscast would not cost anything. However, there are costs for news
releases, a publicity department, and other items. As with advertising, publicity reaches a mass audience. Within a short time, new products or company policies are widely known. Credibility about messages is high, because they are reported in independent media. A newspaper review of a movie has more believability than an ad in the same paper, because the reader associates independence with objectivity. Similarly, people are more likely to pay attention to news reports than ads. Readers spend time reading the stories, but they flip through the ads. Further A. the placement of a story is not quite important B. the report of a crime may not be true C. local newspapers are not interested in company sponsored programs D. publicity is not always necessary [单选题]《国家电网有限公司应急工作管理规定》第五十八条规定:事件发生后,有关单位认为有必要的,可设立由事故发生单位负责人、相关单位负责人及上级单位相关人员、应 急专家、应急队伍负责人等人员组成的( )。
A.应急联络组 B.应急领导小组 C.应急指挥部 D.应急救援现场指挥部 [多选题]选举人有（ ）的权利。任何组织和个人不得以任何方式强迫选举人选举或不选举某个人。
A.了解候选人情况 B.要求改变候选人 C.不选任何一个候选人和另选他人 D.要求候选人作出说明 [单选题]( )设备应保证当进路建立后,该进路上的道岔不可能转换。
A.集中联锁 B.非集中联锁 C.闭塞 D.色灯电锁器联锁 [单选题]有关青霉素快速过敏试验法，下述正确的是
A.每毫升试验液含青霉素500 单位 B.试验液滴在电极板负极头子上 C.75%乙醇消毒前臂内侧皮肤 D.开启计时开关15 分 E.试验部位出现白斑，属阴性反应 [单项选择]胰腺癌主要临床表现是（）
A. 腹胀 B. 腹痛 C. 恶心呕吐 D. 进行性黄疸 E. 血尿淀粉酶升高 [判断题]钨极端部形状对焊接电弧燃烧的稳定性及焊缝的成形影响很大。使用交流电时，钨极端部应磨成半球形；使用直流电时，钨极端部呈锥形或截头锥形。 ( )
A.正确 B.错误 我来回答: 提交
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