如果电源突然中断，哪种存储器中的信息会丢失而无法恢复（）？
A.ROM
B.ROM和RAM
C.RAM
D.软盘
参考答案：C
-Do you mind if I turn on the TV?
-_________. My father is sleeping. [ ]
A. Better not
B. Not at all
C. No, I don't mind
D. That's all right
顾客导向与市场竞争导向的本质区别是什么?
