【单选题】单位工程完工后,施工单位应自行组织有关人员进行( ),并向建设单位提交工程验收报告。
【单选题】If you are a‘lifer’.
A.
you take less time to make it to the top.
B.
you have a long list of previous jobs.
C.
you tend to move less far up in the company.
D.
you keep changing your job all your life.
【单选题】Please tell us how long this price list () valid.
【单选题】在一个具有n个顶点的有向图中,所有顶点的出度之和为Dout,则所有顶点的入度之和为( )
【单选题】在一个具有n个顶点的有向图中,构成强连通图时至少有( )条边。
【单选题】In the US there is a long waiting list for orgasm because ______.
A.
there is a shortage of actual organs
B.
only a few people become organ donors
C.
doctors have set a limit to the number of organ recipients
D.
transplant surgery is still experimental
【简答题】在一个具有n个顶点的有向图中,若所有顶点的出度数之和为s,则所有顶点的入度数之和为 。
【单选题】患者女,36岁。长期吸烟,患有滴虫性阴道炎。近来月经不规则,前来咨询避孕措施。护士应指导其选用
【单选题】在一个具有n个顶点的有向图中,所有顶点的出度之和为dout,则所有顶点的入度之和为()