【简答题】You are a pupil. Is _____ brother a pupil, too? ( you )
【简答题】建设生态文明是中华民族永续发展的千年大计,十九大报告提出,(),建设生态文明是中华民族永续发展的千年大计。
【简答题】(1)什么是有向图、如何表示? (2)什么是完全图、如何表示? (3)什么是简单图? (4)有向完全图和无向完全图的边数分别是多少? (5)什么是简单路径? (6)若一个图G'=(V',E')是另一个图G=(V,E)的子图,则需要满足的条件是什么? (7)两个顶点互为邻接点的条件是什么? (8)无向图和有向图顶点的度如何表示?它们各顶点度之各与边的关系是什么? (9)解释连通图及连通分量,强连通图...
【单选题】Pupil (student) and pupil (of eye) are known as ____ .
【单选题】The pupil
A.
lies in the center of sclera
B.
controls the amount of light reaching the retina
C.
is decreased in size by the dilator pupillae
D.
is dilated by the sphincter pupillae
【单选题】( 5 ) 有 8 个顶点的有向完全图有 ( ) 条边。
【简答题】__________。 [A]competing [B] struggling [C] fighting [D] contending
【简答题】[A] required [B]struggling [C] willing [D] guided