As background information is less important information for a news report, it should be put at the end of the news story.
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The ending of a feature story is whatever helps to achieve a satisfying ending. For example, it can use an "O'Henry Ending" which means a surprising ending -- a climax with a twist.
A. 对
B. 错
关于PPP协议,以下描述正确的有:()。
A. 用于广播信道
B. 用于用户和ISP之间的协议
C. 称为点对点协议
D. 用于点对点信道
在局域网中,硬件地址又称为()。
A. 物理地址
B. MAC地址
C. IP地址
D. 域名地址
PPP协议是纯粹的数据链路层的协议。()
A. 对
B. 错