【简答题】试给出爬山法和最佳优先搜索算法搜索下图3-1所示的搜索路径。
【简答题】(46)事务的所有操作在数据库中要么全部正确反映出来,要么全部不反映,这是事务的哪一个特性? A)持久性 B)原子性 C)隔离性 D)一致性
【单选题】用图像编辑软件可以对图像进行各种编辑,下列各选项中说法不正确的是( )。
【单选题】听力原文:W: Didn't you hear me come in? You really have an unusual power of focusing your attention. M: Are you talking to me? Q: What can be inferred from this conversation about the man? (15)
A.
He's amazed that the woman didn't hear him.
B.
He wasn't paying any attention to her.
C.
He prefers not to be talked to.
D.
He thinks the woman is making too much noise.
【多选题】美国管理学家卡茨认为领导需要有下列哪几条腿()
【多选题】下列用量子数描述的、可以容纳电子数最多的电子亚层是( )