I₂在水中溶解度很小且易挥发，通常将其溶解

阅读程序： Sub p( b () As Integer)For i =1To 4 b(i) = 2(iNext i End Sub Private Sub Command1_Click()Dim a (1 To 4) As Integer a(1)=5 a(2)=6 a(3)=7 a(4)=8 call p (a) For i=1 To 4 Print a(i) Next iEnd Sub运行上面的程序，单击命令按钮，输出结果为。

下面程序段的运行结果是【 】。

Option Base 1

Private Sub Swap (a() As Integ

For I=1 to 10\2

t=a(I)

a(I)=a(10-I+1)

a(10-I+1)=t

Next I

End Sub

Private Sub Form_Click()

Dim x(10) As Integer

For I=1 to 10

x(I)=I*2

Next I

Swap x()

For I=1 to 10

Print x(I)

Next I

End Sub

有以下程序： Sub subP(b()As Integer) For i=1 To 4 b(i)＝2*i Next i End Sub Private Sub Command1_Click() Dim a(1 To 4)As Integer a(i)＝5 a(2)＝6 a(3)＝7 a(4)＝8 subP a() For i＝1 To 4 Print a(i) Next i End Sub 运行上面的程序，单击命令按钮，输出结果为______。

A． 2 4 6 8

B．5 6 7 8

C．10 12 14 6

D．出错

编写如下事件过程： Private sub sub1 (ByVal x1 As String, y1 As String) Dim xt As String Dim i As Integer i = Len(x1) Do While i＞= 1 xt = xt + Mid(x1, i, 1) i=i-1 Loop y1 = xt End Sub Private Sub Form. Click() Dim s1 As String, s2 As String s1= "teacher" sub1 s1, s2 Print s2 End Sub 程序运行后，单击窗体，则窗体上显示的内容是

A．rehcaet

B．tahreee

C．themee

D．eerthea

设有如下程序： Private Sub search(a()As Variant，ByVal key As Variant，index%) Dim I％ For I = Lbound(a)To Ubound(A)If key=a(I)Then index=I Exit Sub End If Next I index=-1 End Sub Private Sub Form_Load() Show Dim b()As Variant Dim n As Integer b=Array(21，64，92，15，72，38，45，72) Call search(b， 45， n) Print n End Sub 程序运行后，输出的结果是

A．2

B．6

C．10

D．12

此题为判断题(对，错)。

以下程序的运行结果是( ) #define MAX 10 int a[MAX]，i; main() { printf("\n");sub1()；sub3(A) ,sub2()，sub3(A) ； } sub2() { int a[MAX]，i，max； max=5； for(i=0；i＜max；i++)a[i]＝i； } sub1() {for(i=0;i＜MAX；i++)a[i]＝i+i; } sub3(int a[]) { int i; for(i=0;i＜MAX，i++)printf("%d"，a[i])； printf("\n")； }

A．0 2 4 6 8 10 12 14 16 18 0 1 2 3 4

B．0 1 2 3 4 0 2 4 6 8 10 12 14 16 18

C．0 1 2 3 4 5 6 7 8 9 0 1 2 3 4

D．0 2 4 6 8 10 12 14 16 18 0 2 4 6 8 10 12 14 16 18

有以下程序： Sub subP(b()As Integer) For i=1 To 4 b(i)=2*i Next i End Sub Private Sub Command1_Click() Dim a(1 To 4)As Integer a(1)=5 a(2)=6 a(3)=7 a(4)=8 subPa() For i=1 To 4 Print a(i) Next i End Sub 运行上面的程序，单击命令按钮，输出结果为( )

A．2 4 6 8

B．5 6 7 8

C．10 12 14 16

D．出错

在窗体上画一个名称为CoilTlilandl的命令按钮，然后编写如下事件过程： Private Sub command1 Click() Dim m As Integer， i As Integer， x(3)As Integer For i=0 To 3：x(i)=i：Next i For i = 1 To 2： Call sub1(x，i)：Next i For i = 0 To 3： Print x(i)；： Next i End Sub Private Sub sub1(a()As Integer，k As Integer) Dim i As Integer Do a(k)=a(k)+a(k+1) j = j + 1 Loop While j ＜ 2 End Sub 程序运行后，单击命令按钮，则窗体上显示的内容是

A．0 3 7 5

B．0 1 2 3

C．3 2 4 5

D．0 5 8 3

有程序如下: Sub subP(b() As Integer) For i=1 To 4 b(i)=2*i Next i End Sub Private Sub Command1_Click() Dim a(1 To 4) As Integer a(1)=5 a(2)=6 a(3)=7 a(4)=8 subP a() For i=1 To 4 Print a(i) Next i End Sub运行上面程序，单击命令按钮，输出结果为______ 。

A． 2 4 6 8

B．5 2 2 2

C．10 12 14 16

D．出错