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【单选题】
指令周期是指：A.
CPU从主存取出一条指令加上执行这条指令的时间
B.
CPU从主存取出一条指令的时间
C.
CPU执行一条指令的时间
D.
时钟周期时间
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【简答题】Frank was a poor man, so he tried to grow ______1_______ he could in his own garden, so that he would not have to buy so many in the market. One evening he heard a noise in his garden and looked out o...
【简答题】"Frank was a poor man, so he tried to grow 1 he could in his own garden, so that he would not have to buy so many in the market. One evening he heard a noise in his garden and looked out of the window...
【单选题】He was about ________to bed________ he heard a noise.
A.
to go; as
B.
going; because
C.
to go; when
D.
going; until
【单选题】He heard a noise ______coming from the bar.
A.
which was
B.
who was
C.
that is
D.
which is
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