• 2022-05-30
    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
  • B

    内容

    • 0

      有如下程序段:s = 0For i = 1 To 10 s = s + iNext iPrint s与上述程序段输出结果相同的程序段为( )。 A: s = 0: i = 0 While i <= 10 i = i + 1 s = s + i Wend Print s B: s = 0: i = 1 While i < 10 i = i + 1 s = s + i Wend Print s C: s = 0: i = 1 Do s = s + i i = i + 1 Loop While i < 10 Print s D: s = 0: i = 1 Do s = s + i i = i + 1 Loop Until i > 10 Print s

    • 1

      以下能正确计算1×2×3×4...×10的程序段是A.i=1;s=1;do{s=s*i;i++;}while(i<=10)B.do{i=1;s=1;s=s*i;i++;}while(i<=10);C.i=1;s=0;do{s=s*i;i++;}while(i<=10);D.do{i=1;s=0;s=s*i;i++;}while(i<=10);

    • 2

      下列循环语句中在任何情况下都至少执行一次循环体的是______。 A: Do While &lt;条件&gt; 循环体Loop B: For i = 10 to 1 step 1 循环体Next C: Do 循环体Loop Until &lt;条件&gt; D: Do Until &lt;条件&gt; 循环体Loop

    • 3

      以下能正确计算[tex=6.214x1.071]+K9PPWysZ6L0/aky8eN0Xv5ui2RG6pRvfJ4OIbWQczo998oF54iDwz8tSL4eEyx1[/tex]的程序段是 未知类型:{'options': ['do(i=1;s=1;s=s*i;i++)while(i<=10);', 'do(i=1;s=0;s=s*i;i++)while(i<=10);', 'i=1;s=1;do(s=s*i;i++)while(i<=10);', 'i=1;s=0;do(s=s*i;i++)while(i<=10);'], 'type': 102}

    • 4

      下述程序段中,与其他3个程序段作用不同的是_______。 A: s=0 i=0 While i>100 s=s+1 Wend B: s=0 i=0 While i<100 i=i+1 Wend C: s=0 i=1 Do While i<100 s=s+1 i=i+1 Loop D: s=0 i=0 Do Until i>=100 s=s+1 i=i+1 Loop