【单选题】在空间中,有下列四个命题:(1)垂直于同一条直线的两条直线平行;(2)垂直于同一个平面的两条直线平行;(3)垂直于同一条直线的两个平面平行;(4)垂直于同一个平面的两个平面平行;其中真命题的个数为( )
【单选题】如图所示为窗体内的挂号功能,窗体含有两个单选按钮,根据选择,将提示信息显示在标签上,运行效果如下图所示。空白处应填的代码是( ) Private Sub Option1_Click() Label1._____=" 初诊费用是 5 元,请支付。 " End Sub Private Sub Option2_Click() Label1._____=" 复诊费用是 3 元,请支付。 " End Sub
【单选题】Mr. A, a citizen of State A, hijacks an airplane belonging to State B.While the aircraft is in the air flying over State C, Mr. A shoots and kills Mr. D, a national of State D.The plane then lands in ...
【单选题】有三个命题: ①垂直于同一个平面的两条直线平行; ②过平面α的一条斜线l有且仅有一个平面与α垂直; ③异面直线a、b不垂直,那么过a的任一个平面与b都不垂直. 其中正确命题的个数为 [ ]
【单选题】Corner Convenience Store (CCS) takes out a full-page ad in a local newspaper and runs a thirty-second commercial on a local television station, offering a reward for information lead¬ing to the appreh...
A.
a full-page ad in the local paper and a thirty-second commercial on the local station.
B.
a notice in the “Legal Announcements” section of the paper.
C.
a notice to the news departments of the local stations.
D.
any, or none, of the choices.
【单选题】在空间中,有下列四个命题:(1)垂直于同一条直线的两条直线平行;(2)垂直于同一个平面的两条直线平行;(3)垂直于同一条直线的两个平面平行;(4)垂直于同一个平面的两个平面平行;其中真命题的个数为( )
【单选题】In the English legal system, what is the standard of proof in a criminal law case?
A.
Balance of probabiltiy
B.
Beyond reasonable doubt