【判断题】An office automation system usually includes a video display terminal, input devices, and a hard-copy output device for “ letter-quality ” printing, etc .
【单选题】22年,()演绎了中国肮空业高歌猛进的传奇:从1000万元启动资金到总资产近4800亿元;从1架飞机、1条航线到541架飞机、680余条国内外航线;从偏居小岛的单一航空运输企业到布局全球的大型企业集团。
【单选题】2008-2009年,由贸易顺差转变为逆差的服务贸易项目是()。
【判断题】Letter input devices, pointing input devices, imaging and video input devices, and audio input devices are four types of input devices.
【简答题】The typical letter input device is (1). It is also one of the most common (2) devices. The keyboard has (3) for characters (letters, numbers and punctuation marks) and special (4). Pressing the keys t...
【简答题】Office (1) is the application of computer and communications technology to i mprove the productivity of clerical and managerial (2) workers. The major functional c omponents of an office automation (3...
【判断题】电负性大的元素充当配位原子,其配位能力强。( )