主机和硬盘之间的接口电路，主要用于实现主机对硬盘驱动器的各种控制，完成主机和硬盘之间的数据交换。目前，PC机的硬盘接口电路主要有哪两大类
A．IDE接口和Centronics接口
B．IDE接口和SCSI接口
C．USB接口和IEEE-1394接口
D．SCSI接口和IEEE-1394接口
参考答案：B
解析： 硬盘接口电路主要有两大类：IDE接口和SCSI接口，所以选B。
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| Jenny, an ll-year-old American girl, spent the Spring Festival with her parents in China. Her 1 planned a good old-fashioned (老式的) Spring Festival celebration:a dinner of Peking duck 2 by watching Spring Festival Gala (春节联欢晚会) of CCTV. Jenny's father,Robert,a businessman in an Internet company, 3 his first Spring Festival in China in 1994,making dumplings at a friend's house. Robert noticed 4 the Chinese character (汉字) "fu"was turned upside down (颠倒) on the wall. He 5 the "mistake" to his friends. But they laughed 6 his puzzle. In China, people believe that the tuming upside down of the character "fu" is the coming of good fortune 7 their same pronunciation " fu dao". Here, " dao" 8 “come " . For the past week,workers have been busy decorating the streets. "Chinese believe that the beginning of the New Year will bring 9 happiness and success," Robert said. On his holiday table at home,Robert 10 the traditional Chinese wine" er guo tou" to his friends. They enjoyed the traditional Chinese culture. | ||||
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