哪一个不属于推动云计算发展的动力（）.
A.虚拟化技术成熟
B.IT基础设施利用率低下
C.宽带网络的普及
D.高性能计算的发展
参考答案：D
用括号内所给单词的适当形式填空。
1. There will be two football ___________(match) next week.
2. He is going to stay in Beijing with ___________(we) for three days.
3. I got a book yesterday. ____________(it) name is Harry Potter.
4. Kangaroo is a kind of ___________(Australia) animal.
5. London and Paris are both famous ___________(Europe) cities.
歌舞娱乐场所歌曲点播系统核查要点不包括场所使用的歌曲点播系统是否有依法（）的相关证明材料。
A.出版
B.生产
C.传播
D.进口
