24. He was（ ）of having asked such a silly question. A. sorry B. for students’ being C. ashamed D. miserable ...

15. Hotel rooms must be（ ）by noon, but luggage may be left with the porter. A. departed B. abandoned C. vacated D. displaced ...

24. （ ）care whether they have passed the entrance examination or not. A. Does he little B. Little does he C. Does little he D. Little he does ...

18. After the（ ）of 17 British passengers, Mr. Blair continued to express his concern over the safety of the other passengers still on board the hijacked airliner. A. relay B. release C. convey ...

12. All of us would have enjoyed the party much more if there（ ）quite such a crowd of people there. A. weren’t B. hasn’t been C. hadn’t been D. wouldn’t been ...

4. （ ）you have understand this rule, you have no further difficulty. A. Once B. Unless C. Only D. Until ...

2. 多媒体计算机综合处理声文图信息和通信功能的应用包括：（ ）。 A. 多媒体信息点播系统 B. 视频会议系统 C. 电子图书馆 D. 远程医疗诊断系统 ...

6. 下面硬件设备中哪些是多媒体硬件系统应包括的？（ ） A. 计算机最基本的硬件设备 B. 计算机最基本的硬件设备/CD-ROM C. 计算机最基本的硬件设备/CD-ROM/音频输入、输出和处理设备 D. 计算机最基本的硬件设备/CD-ROM/音频输入...

2. 作业答案来源：www.vu80.cn 更多资源共享。 自适应差值脉冲编码ADPCM系统包括（ ）。 A. 自适应预测 B. 自适应变换 C. 自适应量化 D. 自适应调整 ...

5. （ ）是利用图像块内像素值之间的相关性，把图像变换到一组新的基上，使能量集中到少数几个系数上，通过存储这些系数达到压缩的目的。 A. 变化编码 B. 统计编码 C. 预测编码 D. 混合编码 ...