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【单选题】
某文件管理系统在磁盘上建立了位示图(bitmap)，记录磁盘的使用情况。若系统的字长为32 位，磁盘上的物理块依次编号为：0、1、2、?，那么4096 号物理块的使用情况在位示图中的第(24) 个字中描述；若磁盘的容量为 200GB，物理块的大小为1MB，那么位示图的大小为 (24) 个字。A.
129 3200
B.
257 3200
C.
129 6400
D.
257 6400
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举一反三
【简答题】数学式πr2对应的C语言表达式为( )。
【简答题】The old man said the accident _______ careless driving, so a lot of money________ be paid by the driver. A．was due to; was due to B．due to; was due to C．is due to; was due to D．is due to; was dued to
【单选题】The careless man received a ticket for speeding. He ___ so fast.36. A．mustn't have drivenB．would
A.
35. The careless man received a ticket for speeding. He ___ so fast. 36. A．mustn't have driven
B.
wouldn't have driven 37.
C.
can't have driven
D.
shouldn't have driven
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