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【简答题】
某操作系统的数据文件共有 1233k 字节,磁盘存放为 4k 字节为 1 块,若用字长为 32 位的位示图管理盘空间,请回答(要求给出计算过程): ( 1 )位示图需要多少个字? ( 2 )第 i 字第 j 位对应的块号是多少?(假设 i 、 j 和块号均从 0 开始)
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【单选题】单股人流为（ ），建筑规范对楼梯梯段宽度的限定是住宅（ ），公共建筑（ ）。
A.
600mm～700mm，≥1200mm，≥3000mm
B.
500mm～600mm，≥1100mm，≥1300mm
C.
600mm～700mm，≥1200mm，≥3000mm
D.
500mm～650mm, ≥1100mm, ≥1300mm
【简答题】阅读理解。 It's so beautiful outside that spending the day in the office would be very boring. So why not take the vacations (假期) off? A new survey (调查) found that 31% of U.S workers don't always take all ...
【简答题】Emily: How are you finding the class? It's a little bit difficult. Jack: Yeah, I know. It's OK. It's OK. Emily: Can you feel it we’ve been here 3 months already?Jack: Yeah, it is. Yeah.Emily: How are ...
【单选题】( )4.—Do you have _____homework and ______exams? —Yes .It's so boring.
A.
too many, too much
B.
too much, too many
C.
many too , much too
D.
much too, many too
【单选题】单股人流为( )。建筑规范对楼梯梯段宽度的限定是住宅( ),公共建筑( )。
A.
600mm ～700mm，≥1200 mm ，≥1300mm
B.
550mm～600 mm，≥1100 m m ，≥1200mm
C.
550mm ～700mm，≥1200mm，≥1500mm
D.
500mm～600 mm ，≥l l00mm，≥1300mm
【单选题】----_____________? ----Because it's so boring.
A.
Why do you like math
B.
Why don't you like math
C.
Do you like math
【单选题】单股人流为( )。建筑规范对楼梯梯段宽度的限定是住宅( ),公共建筑( )。
A.
600mm～700mm，≥1200nun，≥1300mm
B.
550mm～700 mm，≥1100mm，≥1200mm
C.
550mm～700mm，≥1200mm，≥1500mm
D.
500mm～600nun，≥ll00mm，≥1300mm
【单选题】I_______hate doing the laundry. It's so boring. [ ]
A.
really
B.
very
C.
hardly
D.
never
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