多媒体制作的六个阶段是:确定主题、编写脚本、()、系统制作、系统测试和交付使用。
A、素材准备
B、语言编程
C、制作动画
D、制作视频
参考答案:A
—Did you have a __________ time __________in the park?
—Yes.l enjoyed myself very much. [ ]
A. good; playing
B. nice; walk
C. pleasant; to walk
D. pleased; playing
●TCP/IP communication protocol contains four layers.From bottom to top,the four layers are__(71)__.
A.network interface layer,internet layer,transport layer and application layer
B.internet layer,network interface layer,transport layer and application layer
C.network interface layer,transport layer,network interface layer and application layer
D.application layer,transport layer,internet layer and network interface layer