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【判断题】
设G = 中无孤立点。W为G的最小边覆盖, 若G中存在相邻边就移去其中一条。设移去的边集为N,则W-N是G的最大匹配。A.
正确
B.
错误
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【简答题】简述下列概念: 数据、数据元素、数据项、数据对象、数据结构、逻辑结构、存储结构、抽象数据类型。
【简答题】After the show, the crowd _____ out of the theater. A. poured B. melted C. drew D. dismissed
【多选题】The following are true of the classical Greek theater
A.
Although the names of numerous tragedians are known to us, the plays of only two survive.
B.
At first, the chorus served as both the collective actor and the commentator on the events of the drama; it became increasingly important with the development of Greek theater.
C.
It is one of the most important and famous insitution of Greek civilization.
D.
It rose originally in connection with the worship of Dionysus.
【简答题】A．He arrived at the theater late. B．He left his watch in the theater. C．The production seems much shorter than it actually was. D．He did not enjoy the production.
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