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manipulating contradict paradox defy tackle perspectivesuspended retains derive explicit7. Many children are addicted to computers, so they often _________ their parents and play the computer games for hours every day.8. My roommate is always very optimistic, and that’s why he still _________ his good humor after all the setbacks.

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manipulating contradict paradox defy tackleperspectivesuspended retains deriveexplicit9. There is a widely held suspicion that the politician, though retired, still has great power and is __________ events behind the scenes.10. The organization has been working with local authorities as well as regional government and officials to _________ the problem of climate change.

文件系统中,打开文件系统调用的基本操作是()。

A. 把文件信息从辅存读到内存
B. 把文件控制管理信息从辅存读到内存
C. 把文件FAT表信息从辅存读到内存
D. 把磁盘的超级块从辅存读到内存

文件系统采用二级目录结构,这样可以()

A. 缩短访问文件存储器时间
B. 实现文件共享
C. 节省内存空间
D. 解决不同用户之间的文件名冲突问题

假定盘块的大小为1KB,对于1.2MB的软盘,FAT12表需占用()的存储空间。

A. 1KB
B. 1.5KB
C. 1.8KB
D. 2.4KB

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