问题
单项选择题
VOD视频点播系统包括5个部分，以下不属于其中的是( )。
A．节目制作中心
B．专业视频服务器
C．视频节目库
D．VOD技术数据库
答案
参考答案：D
解析： VOD视频点播系统包括5个部分：节目制作中心、专业视频服务器、视频节目库、VOD管理服务器和客户端播放设备。
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VOD视频点播系统包括5个部分，以下不属于其中的是( )。
A．节目制作中心
B．专业视频服务器
C．视频节目库
D．VOD技术数据库
参考答案：D
解析： VOD视频点播系统包括5个部分：节目制作中心、专业视频服务器、视频节目库、VOD管理服务器和客户端播放设备。
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| Wang Xiaojun is 12 years old. He lives in the country in Hubei Province. Today is his birthday. His parents prepare a nice 1 for him, but the boy says, "I won't have the dinner 2 after the dinner, today is over, and my parents are leaving for Shenzhen tomorrow. I don't want to let 3 go." It is the first birthday that Wang Xiaojun is 4 with his parents in three years. In the past three years, his parents stayed in Shenzhen and worked to make 5 . They haven't seen their son 6 three years. Tomorrow they 7 leave home to go to Shenzhen. Wang is not the only stay-at-home child. In the country of China, there are more than 20 8 children staying at home without their parents. Stay-at-home children face a lot of 9 . Many of them stay with their grandparents. They get less care from parents. They often 10 lonely. Some of them don't study well because their parents can't help them with their study. The Chinese government show cares about the children very much and is trying to solve their problems. | |||
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