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【单选题】
下列关于操作系统的叙述,错误的是( )A.
操作系统是应用软件与硬件之间的接口
B.
操作系统是用户与计算机硬件之间的接口
C.
操作系统的启动过程是,先加电自检,然后运行引导程序,最终由自举程序将操作系统的核心部分从外存装入到内存中进行运行
D.
操作系统的多任务管理功能,使得计算机即使只有一个CPU硬件,也可以同时运行多个程序
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举一反三
【单选题】However hard you may try, things will not always go your way. When you really fail in something important, you can often learn much from this failure. Perhaps you did not plan your time properly. Perh...
A.
failure is the mother of success
B.
those who try hard will surely succeed
C.
those who do not try hard will never succeed
D.
the higher one climbs, the lower one falls