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计算机系统中存储器为何采用分级结构?
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举一反三
【单选题】_____ I got to the cinema, the film had already been on. [ ]
A.
From the time
B.
In the time
C.
By the time
【简答题】辨析题:个体的道德认识与道德行为是一致的。【2012年上半年真题】
【单选题】By the time I got to school, I realized that I ______ my pen at home. [ ]
A.
have forgotten
B.
have left
C.
had forgotten
D.
had left
【简答题】(辨析题)个体的道德认识与道德行为是一致的。
【简答题】辨析题:个体的道德认识与道德行为是一致的。
【单选题】By the time I got to the cinema, the movie _______ for ten minutes. [ ]
A.
had begun
B.
had been on
C.
has started
D.
has been on
【单选题】By the time I locked the door, I realized I ( )my keys at home
A.
had repaired
B.
have forgotten
C.
had forgotten
D.
had left
【单选题】By the time I got to the train station, the train _______ for ten minutes. I had to wait for the next one. [ ]
A.
has left
B.
has been away
C.
had left
D.
had been away
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