按照国际电信联盟（ITU）对媒体的定义，图像编码属于（）。

The income disparity Washington D.C. confronts is not characterized by______.A．severityB．resilienceC．persistenceD．arduousness 点击查看答案

Which of the following is true in the case of David Garrison ?A．He holds a guarded prospect of bridging the income gap in a short period.B．Current economic progress and recovery will be able to help out the poor.C．He argues that this income disparity originates from multiple factors.D．Rich families tend to move into the greater Washington metro area. 点击查看答案