单项选择题
At that time I was _________ of events going on elsewhe...
单项选择题At that time I was _________ of events going on elsewhere. A、innocent B、ignorant C、arrogant D、irritant
According to the classification of transmission media, ...
判断题According to the classification of transmission media, LAN can be divided into baseband networks and broadband networks.
电气布置图不需要按照实际位置绘制出来。 正确 ...
判断题电气布置图不需要按照实际位置绘制出来。 正确 错误
