问题
单项选择题
输入设备用于向计算机输入命令、数据、文本、声音、图像和视频等信息，其中命令信息是用户向计算机发出的操作请求。下面是一组PC机常用的输入设备： ①笔输入设备 ②键盘 ③鼠标 ④触摸屏 以上输入设备中，( )可用来输入用户命令信息。
A．①、②、③和④
B．①、②和③
C．②和③
D．②和④
答案
参考答案：A
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输入设备用于向计算机输入命令、数据、文本、声音、图像和视频等信息，其中命令信息是用户向计算机发出的操作请求。下面是一组PC机常用的输入设备： ①笔输入设备 ②键盘 ③鼠标 ④触摸屏 以上输入设备中，( )可用来输入用户命令信息。
A．①、②、③和④
B．①、②和③
C．②和③
D．②和④
参考答案：A
A．One hundred used stamps and hinges and album pages. B．The Collectors Club Guide to Collecting and badge and stickers. C．The latest Collectors Club magazine and membership card. D．Royal Mail Stamp Calendar and Collectors Corner supplement. 66．This advertisement is written for people who want to_______. A．make money through collecting stampsB．develop stamp collection as a hobby C．get something free from the club D．find out where the club is located 67．From the advertisement we can learn_____. A．Collectors Club is among the biggest clubs in this country B．how much you must pay to become a member of the club C．today is the last day for stamp collectors to join the club D．members may receive a set of album pages every month 68．Where is this advertisement most probably found? A．In a newspaper. B．On a web page. C．In a magazine. D．On a TV program. |