根据下列材料,请回答下列各题 The following is a list of terms about computer. After reading it, you are required to find the iterns equivalent to ( 与...相同的) those given in Chinese in the table below. Then you should put the corresponding letters in brackets on the Answer Sheet, numbered 51 to 55. A mouse I—drag and drop B—central processing unit J—electronic commerce C—CAD K—floppy disk D—data processing L—home page E—desktop operating system M—host computer F—dialogue boxes N—ink-jet printer G—disk drive O—laser jet printer H—download P—office automation Examples:(I)拖放 (H)一F载 ( )桌面操作系统 ( )喷墨打印机