全国计算机等级考试二级VB程序设计模拟试题五
分类: 计算机
时间: 2019-01-17 02:43:39
作者: 全国等级考试资料网
写出下列程序的正确运行结果(每题5分,共10分)
1.Private Sub Command1_Click( )
Print Int(-4.5)+Round(-4.5);
Print Lcase(“AAbbEE”);
Print Len(“vb程序设计语言”);
Print Mid(“计算机科学与技术”,4,2);
Print Trim(“abc ”)+“def”
End Sub
2. Public Sub Swap(ByVal x As Integer, y As Integer)
Dim t As Integer
t=x: x=y: y=t
End Sub
Private Sub Command1_Click( )
Dim a As Integer ,b As Integer
a=30: b=20
Swap a ,b
Print “a=”; a ;”b=”; b
End Sub
1. -9 aabbee 8科学abcdef
2. a=30 b=30