【简答题】
Translate the sentence by using “subject clause”or“find oneself+prep./V-ing/V-ed”.3. At dusk they _______________ a valley (发现他们来到)
【简答题】
Translate the sentence by using “subject clause”or“find oneself+prep./V-ing/V-ed”.4. I _____________ everything she said. (我同意)
【简答题】
Directions: Translate sentence by using “nothing more than”.1. He ___________ (只不过是一个做白日梦者).
【单选题】
设有向图D = áV, E?, 其中 V={v1, v2, v3, v4, v5}, E={áv4, v1?, áv1, v1?,áv1, v2?,áv1, v3?, áv3, v1?, áv5, v3?},则v1的邻域 N(v1) =
【单选题】
设有向图D = áV, E?, 其中 V={v1, v2, v3, v4, v5}, E={áv4, v1?, áv1, v1?,áv1, v2?,áv1, v3?, áv3, v1?, áv5, v3?},则v1的闭邻域 N(v1) =
【单选题】
设有向图D = áV, E?, 其中 V={v1, v2, v3, v4, v5}, E={áv4, v1?, áv1, v1?,áv1, v2?,áv1, v3?, áv3, v1?, áv5, v3?},则v1的先驱元集G -(v1) =
【单选题】
设有向图D = áV, E?, 其中 V={v1, v2, v3, v4, v5}, E={áv4, v1?, áv1, v1?,áv1, v2?,áv1, v3?, áv3, v1?, áv5, v3?},则v1的后继元集G +(v1) =
【简答题】
Translate the sentence by using “as if”.You look _________________.(好像并不在乎)
【单选题】
设无向图G1 = áV1, E1?, 其中, V1 = {v1, v2, v3, v4, v5}, E1 = {(v1, v2), (v2, v3), (v3, v4), (v3, v3), (v4, v5)},则v2的邻域 N(v2)为:
【单选题】
已知有向图G=(V,E),其中V={V1,V2,V3,V4,V5,V6,V7},E={V1,V2V1,V3V1,V4V2,V5V3,V5V3,V6V4,V6V5,V7V6,V7},G的拓扑序列是( )。