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【单选题】
已知有向图G=(V，E)，其中V={V1，V2，V3，V4, V5，V6}，E={＜V1，V2＞,＜V1，V4＞，＜V2，V6＞，＜V3，V1＞， ＜V3，V4＞,＜V4,V5＞,＜V5，V2＞,＜V5,V6＞}，G的拓扑序列是(50)。A.
V3，V1，V4，V5，V2，V6
B.
V3，V4，V1，V5，V2，V6
C.
V1，V3，V4，V5，V2，V6
D.
V1，V4，V3，V5，V2，V6
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举一反三
【简答题】高速铁路的 是高速铁路运输生产的基层单位,为方便旅客出行提供优质的服务,同时也是城市的窗口,应与城市规划充分协调,重视环境的保护和利用,促进各种交通运输方式协调发展。
【单选题】For most judges, sentencing a person who has been convicted of a crime is a difficult decision. In the majority of jurisdictions throughout the country, judges have few sentencing options from which t...
A.
there should be laws that dictate which sentence a judge should hand down.
B.
someone other than a judge should be allowed to sentence a criminal.
C.
judges should be given more sentencing options from which to choose.
D.
more money should be spent on the criminal justice system.
【单选题】关于血栓形成，哪一项是错的
A.
血液凝集成固体状态的过程称血栓形成
B.
静脉血栓多于动脉血栓
C.
血小板的黏集是血栓形成的关键
D.
下肢血栓多于上肢血栓
E.
微循环内的微血栓多为纤维素性血栓
【简答题】车轮不平衡产生的原因及危害是什么。
【单选题】For most judges, sentencing a person who has been convicted of a crime is a difficult decision. In the majority of jurisdictions throughout the country, judges have few sentencing options from which t...
A.
there should be laws that dictate which sentence a judge should hand down.
B.
. someone other than a judge should be allowed to sentence a criminal.
C.
judges should be given more sentencing options from which to choose.
D.
. more money should be spent on the criminal justice system.
【判断题】我国的铁路运输业基本经历了货运体系和客运体系两个时期,随着高速铁路大规模修建,运输能力不再是限制因素,企业不再以运输任务为第一目标,而是将为旅客提供更加人性化的服务作为首要目标。可以说,是迎来了客运服务的时代。
A.
正确
B.
错误
【单选题】Computer Crime A computer crime is generally defined as one that involves the use of computers and software for illegal purposes. This doesn't mean that all the crimes are new types of crime. On the c...
A.
Y
B.
N
C.
NG
【单选题】“Shall we go shopping?” “Sorry, we _______ buy anything now because none of the shops are open.”
A.
mustn’t
B.
needn’t
C.
can’t
D.
shouldn’t
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