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(24）关于操作系统的描述中，下列哪一种说法是错误的？( ） A） DOS是单任务的图形界面操作系统 B） DOS通过FAT文件寻找磁盘文件 C） Windows是多任务的图形界面操作系统 D） Windows通过虚拟文件表VFAT寻找磁盘文件
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举一反三
【单选题】—What do you think of Paul? —He is friendly to us. He always ______ good solutions to our problems. [ ]
A.
ends up
B.
stays up
C.
makes up
D.
comes up with
【单选题】Every station platform is 1_________ (配备)with several assistance stations for emergency use. These cabinets include a direct 2__________ (电话)to the metro control center, a switch allowing the curren...
A.
fire equipment
B.
switch
C.
equipped
D.
track
E.
telephone
F.
stations
【单选题】Every station platform is 1_________ (配备)with several assistance stations for emergency use. These cabinets include a direct 2__________ (电话)to the metro control center, a switch allowing the curren...
A.
fire equipment
B.
switch
C.
equipped
D.
track
E.
telephone
F.
stations
【单选题】— What ______ do you have for Paul? — I think he should study harder than before. [ ]
A.
news
B.
advice
C.
help
D.
information
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