下列过程定义语句中，参数不是对象的定义语句是
A: Sub Pro4 (x As Form)
B: Sub Pro4 (y As Control)
C: Sub Pro4 (Forml As Form，Labell As Control)
D: Sub Pro4 (x As Currency)
A: Sub Pro4 (x As Form)
B: Sub Pro4 (y As Control)
C: Sub Pro4 (Forml As Form，Labell As Control)
D: Sub Pro4 (x As Currency)
举一反三
- 给出下列的代码，则以下哪个选项返回true String s = "hello"； String t = "hello"； char c[ ] = {''h''，''e''，''l''，''l''，''o''}； A: Sub Pro4 (x As Form) B: Sub Pro4 (y As Control) C: Sub Pro4 (Forml As Form，Labell As Control) D: Sub Pro4 (x As Currency)
- 中国大学MOOC: 单击按钮Command1，下列代码执行的结果是弹出一个对话框，并且（ ）。 Private Sub Command1_Click() Call pro(3) End Sub Private Sub pro(x As Integer) MsgBox x * x End Sub
- 单击按钮Command1，下列代码执行的结果是（）。 Private Sub Command1_Click() Call pro(3) End Sub Private Sub pro(b As Integer) MsgBox b*b End Sub
- 如图所示事故树的最小割集为（）。[img=171x267]17d608e17919de1.png[/img] A: {x<sub>1</sub>,x<sub>3</sub>},{x<sub>3</sub>,x<sub>4</sub>},{x<sub>1</sub>,x<sub>4</sub>,x<sub>5</sub>} B: {x<sub>1</sub>,x<sub>3</sub>},{x<sub>3</sub>,x<sub>4</sub>},{x<sub>1</sub>,x<sub>5</sub>},{x<sub>2</sub>,x<sub>4</sub>,x<sub>5</sub>} C: {x<sub>3</sub>,x<sub>4</sub>},{x<sub>1</sub>,x<sub>5</sub>},{x<sub>2</sub>,x<sub>4</sub>,x<sub>5</sub>} D: {x<sub>2</sub>,x<sub>3</sub>},{x<sub>1</sub>,x<sub>4</sub>},{x<sub>2</sub>,x<sub>4</sub>,x<sub>5</sub>}
- 对于条件“项目2、4之间需选择且仅需选择一项”，下面描述正确的是： A: x<sub >2</sub>+x<sub >4</sub>=0 B: x<sub >2</sub>+x<sub >4</sub>≤1 C: x<sub >2</sub>+x<sub >4</sub>≥1 D: x<sub>2</sub>+x<sub>4</sub>=1