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【单选题】
某磁盘共有1O 个盘面, 每个盘面上有100 个磁道,每个磁道有16 个扇区, 假定分配以扇区为单位。若使用位示图管理磁盘空间, 则位示图需要占用( 1 )字节空间。若空白文件目录的每个表项占用5 个字节,当空白区数目大于( 2 ) ,空白文件目录大于位示图。A.
(l) 16 000、(2)360
B.
(l) l 000、(2)380
C.
(l) 2 000、(2)400
D.
(l) 1600、(2)320
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举一反三
【单选题】He often reads books in the , because there are so many books there. [ ]
A.
pool
B.
library
C.
mall
D.
restaurant
【单选题】There are a great many books in the store, some are useful to us. [ ]
A.
of them
B.
in which
C.
of which
D.
in them
【单选题】“一带一路”倡议5年来,得到了国际社会的广泛理解、认同、支持和参与,已有( )多个国家和国际组织同中国签署合作协议。“一带一路”的朋友圈越来越广。
A.
160
B.
140
C.
100
D.
180
【简答题】From the passage we can infer this textbook is written mainly for ______ to read.
【简答题】市场营销观念的发展经历了哪几个阶段？
【简答题】Once, a medical student had to read a textbook which was far too expensive for him to buy. ( Passage One)
【单选题】He picked a textbook from the bookshelf and then commenced to read.
A.
directed
B.
commented
C.
committed
D.
began
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