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【多选题】
一个具有6个顶点的无的邻接矩阵各行依次为110000,110100,001100,011110,000110,000001。在等价关系顶点与顶点之间有通路的关系下,1号顶点与哪些顶点是等价的?A.
2
B.
3
C.
4
D.
5
E.
6
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反馈参考答案：
举一反三
【简答题】A．s B．specialists C．peers D．pedestrians
【简答题】No Pedestrians
【简答题】Watch for Pedestrians
【简答题】Aggressive pedestrians are in fact as erous as careless drivers. They cause traffic accidents, injury and death. These erous walkers can be seen in any big city over the world. About 69% of la...
【单选题】D Cities alarmed by deaths and injuries of pedestrians are taking efforts to make crosswalks safer for people on foot, especially seniors and children who need more time to cross streets. A pedestrian...
A.
Among 100 pedestrian deaths there were 21 people younger than 70.
B.
Old people are more likely to meet with accidents in crosswalks.
C.
Traffic accidents killed more old people than young people.
D.
About seven traffic accidents happened per hour.
【单选题】The first underground floor is set aside mainly for pedestrians and commercial facilities, while the second underground floor is planned for parking. {A; B; C}
A.
地下一层主要用于人行通道和商业设施，而地下二层计划用作停车场。
B.
地下一层仅用于人行通道和商业设施，而地下二层计划用作停车场。
C.
地下一层主要用作停车场，而地下二层用作行人通行和商业设施。
【简答题】Aggressive pedestrians are in fact as erous as careless drivers. They cause traffic accidents, injury and death. These erous walkers can be seen in any big city all over the world. About 69% o...
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