在可变分区存储管理方案中,在回收一个分区时,若
该分区的起始地址+长度=空闲区表中某个登记栏所表示空闲区的起始地址
则说明()。
A. 该回收分区的上邻分区是空闲的
B. 该回收分区的下邻分区是空闲的
C. 该回收分区的上、下邻分区都是空闲的
D. 该回收分区的上、下邻分是都不是空闲的
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The author tells the story of Henry Evans imagining a web over the head of an customer to
A. Y
B. N
C. NG
基于以下描述:有关系模式R(S, T, C, D, G),根据语义有如下函数依赖集:F={(S, C) →T, C→D, (S, C) →G, T→C}。
关系模式R的规范化程度最高达到()。
A. 1NF
B. 2NF
C. 3NF
D. 4NF
【B17】
A. associated
B. compared
C. combined
D. involved
听力原文:M: How's the new job going?
W: Well. I'm getting used to lots of new things. But I wish the supervisor would give me sane feedback.
Q: What does the woman imply?
(17)
A. She is working for a newspaper now.
B. She wants to know her supervisor's opinion of her work.
C. She wishes she had a different supervisor.
D. She dines with her supervisor regularly.