2.不能正确表示条件“两个整型变量A和B之一为0,但不能同时为0”的布尔表达式是( ) A)A*B=0 and A B<>0 B)(A=0 or B=0)and (A<>0 OrB<>0) C)not(A=0 And B=0) and (A=0 or B=0) D)A*B=0 and (A=0 or B=0) 分析:
4.对窗体编写如下代码: Option Base 1 Private Sub Form _KeyPress(KeyAscii As Integer) a=Array (237,126,587,48,498) ml=a(1) m2=1 If KeyAscii=13Then For i=2 To 5 If a (i)>ml Then ml=a (i) m2=i End If Next i End If Print ml. print m2 End Sub 程序运行后,按回车键,输出结果为( ) A)48 4 B)237 1 C)587 3 D)498 4 分析: