无权有向图的邻接矩阵第i行元素之和为5,则________
A. 该图一定有5个顶点
B. 该图一定有5条边
C. 该顶点的入度为5
D. 该顶点的出度为5
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带权无向图邻接表的单链表每个元素要存储________
A. 对应的顶点度
B. 对应边的权
C. 相关联的顶点度
D. 对应边的方向
把邻接表转换成逆邻接表时________
A. 有向图就转换成对应的无向图
B. 每个顶点后面的单链表表长不变
C. 所有单链表的表长之和不变
D. 把所有的边改变方向
Listen to the following English sentences and interpret them into chinese, paying attention to collocations.原文:(1)WTO accession is not only in the interests of China, but also in the interests of all WTO Members and conducive to the development of the multilateral trading system. (2)A balanced package approach be taken to ensure that the results of the negotiations reflect an overall balance of the interests of various parties.
患者,男性,49岁。冠心病史5年,以“胸痛、剧烈胸痛半小时,伴大汗”为主诉来诊,进入抢救室后,心电监护波示:QRS波群消失,代之以大小不等、形态各异的颤动波,频率为300次/分”此时应立即采取的最恰当的急救措施是
A. 按压人中,同时立即给予气管插管
B. 应用单相波除器连续除颜3次
C. 应用双相波除器进行除颜,能量150J
D. 立即给予气管插管,胸外按压
E. 立即建立静脉通路,给予肾上腺素0.5-1mg静脉注射