【判断题】扫描仪(scanner),是利用光电技术和数字处理技术,以 扫描 方式将图形或图像信息转换为模拟信号的装置。
【单选题】The old man had lived in Shanghai for many years. And he is__________with the custom here.
【单选题】Those people who have negative views about Massive Open Online Courses argue that MOOC may ______ the public university and privilege private interests.
【判断题】慕课(MOOC),英文直译"大规模开放的在线课程(Massive Open Online Course)"。( )
【单选题】污水的化学需氧量COD是水体被哪类物质污染的指标
【单选题】进入Word的编辑状态后,进行中文与英文标点符号之间切换的快捷键是( )。