下列For循环语句中，使用错误的是_______。
A: For i = 2 to 10 ```Next
B: For i = 2,4,6,8,10 ```Next
C: For i = 10 to 2 Step -2 ```Next
D: For i = 2 to 10 Step 2 ```Next
A: For i = 2 to 10 ```Next
B: For i = 2,4,6,8,10 ```Next
C: For i = 10 to 2 Step -2 ```Next
D: For i = 2 to 10 Step 2 ```Next
举一反三
- 已知程序段: s=0 For i=1 to 10 step 2 s=s+1 i=i*2 Next i 该程序段的循环次数是( )。
- 下列循环嵌套的结构中，正确的是_______。 A: For i = 2,4,6,8,10 ``` Do ``` Loop While s > 0Next B: For i = 2 To 10 ``` Do While s > 0 ``` LoopNext C: For i = 2 To 10 ``` Do While s > 0 ``` Next Loop D: For i = 2 To 10 ``` Do ``` Next Loop While s > 0
- 下列程序中 s = s + j 语句共执行了______次。 Dim s As Integer Dim i As Integer, j As Integer For i = 1 To 10 Step 2 For j = 1 To 5 Step 2 s = s + j Next j Next i Print s
- 存在程序段: s=0 For i=1 to 10 step 2 s= s + 1 i= i * 2 Next i 当循环结束后，变量i ,s 的值分别为（）．
- 以下程序段的输出结果为( ) Dim a(10),p(3) k=5 For i=0 To 10 a(i)=i Next i For i=0 To 2 p(i)=a(i+(i+1)) Next i For i=0 To 2 k=k+p(i)+2 Next i Print k A: 20 B: 21 C: 56 D: 32