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【单选题】
影响文件系统可靠性因素之一是文件系统的一致性问题，如果读取(71)的某磁盘块，修改后在写回磁盘前系统崩溃，则对系统的影响相对较大。通常的解决方案是采用文件系统的一致性检查，一致性检查包括块的一致性检查和文件的一致性检查。在块的一致性检查时，检测程序构造一张表，表中为每个块设立两个计数器，一个跟踪该块在文件中出现的次数，一个跟踪该块在空闲表中出现的次数。若系统有16个块，检测程序通过检测发现表(72)状态下的文件系统是一致的。A.
用户文件的某磁盘块
B.
空闲表磁盘块
C.
用户目录文件
D.
系统目录文件
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【单选题】These days lots of young Japanese do omiai , literally, “ meet and look . ” Many of them do so willingly. In today ’ s prosperous and increasingly conservati ve Japan, the traditional omiai kekkon , o...
A.
A Western love marriage tends to miss some Japanese values.
B.
Less attention is paid to the partner ’ s qualification in arranged marriages.
C.
Young Japanese would often calculate their partner ’ s wealth.
D.
A new arranged marriage is a repetition of the older type.
【简答题】根据图片,在括号内写出各种花冠的类型。
【简答题】Read the following passage and filling the missing information. The word “counterculture” was coined in the 1960s for the attitudes and life styles of many young people who rejected conventional socia...
【简答题】An Internet named Happy Farm is becoming more and more popular among young office workers and students. People can work on a farm. They can also grow, water, sell and steal vegetables, flowers, f...
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