Passage OneQuestions 26 to 28 are based on the passage you have just heard.
A. Her husband had got a higher position.
B. Her husband had lost his job.
C. She wanted to have a cleaner house.
D. She wanted to move to New York.
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目前,规模最大、用户最多的互联网络是______,它是集各类信息资源为一体的数据资源网。
在关系模式规范化过程中,若要求分解保持函数依赖,那么模式分解一定可以达到3NF,但不一定能达到______。
数字激光唱盘的标准采样频率为44.1kHz,量化级位数为16位,立体声,一分钟 CD-DA音乐所需的存储量为 【3】 千字节(kB) 。
督察制度是为完善公安机关自我发展机制而依法建立的一种外部监督制度。( )
A. 对
B. 错