举一反三
- 下列程序的功能是:将数据1,2,…,8写入顺序文件Num.txt中,请补充完整。 Private Sub Form_Click() Dim i As Integer Open "Num.txt" For Output As #1 For i=1 To 8 ______ Next Close#1 End Sub
- 下列程序的功能是:将数据1,2,…,8写入顺序文件Num.txt中,请补充完整。 Private Sub Form_Click() Dim i As Integer Open"Num.txt”For Output As#1 For i=1 To 8 ______ Next Close#1 End Sub
- 下列程序的功能是:将数据1,2,…,8写入顺序文件Num.txt中,请补充完整。 Private Sub Form_Click() Dim i As Integer Open "Num.txt"For Output As#1 For i=1 To 8 (15) Next Close#1 End Sub
- 下列程序的功能是:将数据1,2,…,8写入顺序文件Num.txt中,请选择正确的程序段( )。 Private Sub Form_Click() Dim i As Integer Open "Num.txt" For Output As #1 For i=1 To 8 ______ Next i Close #1 End Sub A: print #1,i B: input #1,i C: print #1 D: input #1
- 下列程序的功能是:将数据1,1,…,8写入顺序文件Num.txt中,请选择正确的程序段( )。 Private Sub Form_Click() Dim i As Integer Open"Num.txt"For Output As #1 For i=1 To 8 ______ Next i Close #1 End Sub A: print#1,i B: input#1,I C: print#1 D: input#1
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下列这个Sub过程的功能是统计字符串中“a”的个数,请在空白处填上合适的代码,将程序补充完整。 Private Sub numCoun() Dim num As Integer s$="software And hardware" num=Len(s$) For i=1 To num b$=______ Ifb$="a"Then x=x+1 Next i Print "x=";x End Sub
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下列这个Sub过程的功能是:统计字符串中“a”的个数,请在空白处填上合适的代码,将程序补充完整。 Private Sub numCount() Dim num As Integer S$="software And hardware" num=Len(s$) For i=1 To num b$=______ Ifb$="a" Then x=x+1 Next i Print "x=";x End Sub
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运行下面的程序,第二行显示结果是___________。 Private Sub Form_Click() Dim A As Integer Dim i As Integer A = 5 For i = 1 To 9 Call sub1(i, A) Print i, A Next i End Sub Private Sub sub1(x As Integer, y As Integer) Static N As Integer Dim I As Integer For I = 3 To 1 Step -1 N = N + x x = x + 2 Next I y = y + N End Sub
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下列代码执行的结果是( )。 Private Sub Form_Click() Dim a(5) Dim i as Integer For i = 1 To 5 <br/>a(i) = i + 2 Next i Print a(4) End Sub A: 6 B: 8 C: 24 D: 2
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下面程序的功能是对统计所输入的10个数据中奇数和偶数的个数,为了实现相应功能请将如下代码补充完整。 Private Sub P9() Dim num As Integer,a As Integer,b As Integer,i As Integer For i=1 To 10 num = InputBox("请输入数据:","输入") If ________ Then ________ Else b = b + 1 End If Next i MsgBox("运行结果:偶数个数=" & Str(a) & ",奇数个数=" & Str(b)) End Sub