设有如下程序段:x=2For i=1 to 10 Step 2x=x+iNext运行以上程序后,x的值是______。A.26B.27C.38D.
设有如下程序段: x=2 For i=1 to 10 Step 2 x=x+i Next 运行以上程序后,x的值是______。
A.26
B.27
C.38
D.57
设有如下程序段: x=2 For i=1 to 10 Step 2 x=x+i Next 运行以上程序后,x的值是______。
A.26
B.27
C.38
D.57
A.58,9,26,11,15,38
B.58,38,26,11,15,9
C.15,38,26,11,58,9
D.58,38,26,15,11,9
A.4
B.5
C.6
D.9
设有如下程序:
Private Sub Form_Click()
Dim i As Integer,x As String,Y As String
x=”ABCDEFG”
For i=4 To 1 Step-1
y=Mid(x,i,i)+y
Next i
Print y
End Sub
程序运行后,单击窗体,输出结果为
A.ABCCDEDEFG
B.AABBCDEFG
C.ABCDEFG
D.AABBCCDDEEFFGG
设有如下程序: Private Sub Command1_Click() Dim Sum As Double, x As Double sum=0 n = 0 For i= 1 To 5 x = n / i n = n + 1 sum=sum+x Next End Sub 该程序通过For循环计算一个表达式的值,这个表达式是
A.1+1/2+2/3+3/4+4/5
B.1+1/2+2/3+3/4
C.1/2+2/3+3/4+4/5
D.1+1/2+1/3+1/4+1/5
设有如下程序: Private Sub Command1 Click() Dim sum As Double, x As Double sum=0 n=0 For i=1 To 5 x=n/i n=n+1 sum=sum+x Next i End Sub 该程序通过For循环来计算一个表达式的值,这个表达式是()。
A.1+1/2+2/3+3/4+4/5
B.1+1/2+1/3+1/4+1/5
C.1/2+2/3+3/4+4/5
D.1/2+1/3+1/4+1/5
设有如下程序:
Private Sub Command1_Click()
Dim sum As Double,x As Double
Sum=0
n=0
For i=1 To 5
x=n/i
n=n+1
sum=sum+x
Next i
End Sub
该程序通过For循环来计算一个表达式的值,这个表达式是()。
A.1+1/2+2/3+3/4+4/5
B.1+1/2+1/3+1/4+1/5
C.1/2+2/3+3/4+4/5
D.1/2+1/3+1/4+1/5
设有如下程序: Private Sub Command1_Click() Dim sum As Double,x As Double sum=0 n=0 For i=1 To 5 x=n/i n=n+1 sum=sum+x Next End Sub 该程序通过For循环计算一个表达式的值,这个表达式是()。
A.1+1/2+2/3+3/4+4/5
B.1+1/2+2/3+3/4
C.1/2+2/3+3/4+4/5
D.1+1/2+1/3+1/4+1/5
设有如下通用过程: Public Sub Fun(a()As Integer,x As Integer) For i=1 To 5 x=x+a(i) Next End Sub 在窗体上画一个名称为Text1的文本框和一个名称为Commandl的命令按钮。然后编写如下的事件过程: Private Sub Commandl_Click() Dim arr(5)As Integer,n As Integer For i=1 To 5 arr(i)=i+i Next Fun arr,n Text1.Text=Str(n) End Sub 程序运行后,单击命令按钮,则在文本框中显示的内容是______。
A. 30
B.25
C.20
D.15
设有如下程序,其调试结果为:
class Q2 {
public static void main(String[] args) {
int[] seeds = {1,2,3,4,6,8};
int n= seeds.length;
for (int i = 0; i< 3; i++)
for (int k = 0; k< n-1; k++)
seeds[k]= seeds[k+1];
for (int i = 0; i
System.out.print("/t"+seeds[i]);
}
}
A.输出: 1 2 3 4 6
B.输出: 4 6 8 8 8
C.输出: 2 3 4 6 8
D.输出: 2 3 4 6