【简答题】Questions 19 to 21 are based on the passage you have just heard. 第19题:
【单选题】下列不属于计算机数据管理技术人工管理阶段的特点的是【】
【单选题】名句“雄关漫道真如铁,而今迈步从头越”出白()的手笔
【判断题】TCP比UDP传输速率高,简单,一般用于传输少量信息的情况。
【单选题】名句“雄关漫道真如铁,而今迈步从头越”出自()的手笔
【单选题】Questions 19 to 22 are based on the conversation you have just heard.19.
B.
It improved operations.
C.
Operations became less efficient.
D.
The employees became dissatisfied.
【简答题】如图为VGA模拟信号接口,其中( )脚为接地脚。