[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f7qYeQBCuHhScNiqR3QLJb8aIvte4w3kBnyUNVzldMwQ":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":8,"question":15,"related":16,"source":27,"type":61},[],"2025-03-19 11:12:39",7671641,[],{"count":9,"courseId":10,"courseImg":11,"courseName":12,"workId":13,"workName":14},29,"944d00051e8cfead9f632d91b25855a3","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fffe4b30e0d8ce5e6ac9362db217e75c0.png","VB程序设计","661566c4af914fc5b382bf684b818c2a","循环测试题","设有如下程序段:x = 2For i = 1 To 20 Step 3 x = x + iNext i运行以上程序后,x的值是______",[17,29,38,47,56,62,67,72,77,82],{"answer":18,"createTime":19,"id":20,"options":21,"question":26,"source":27,"type":28},[],"2023-05-12 16:06:18",7663359,[22,23,24,25],"若<条件>是一个为0的常数,则一次也不执行循环体","<条件>可以是关系表达式、逻辑表达式或常数","循环体中可以使用Exit Do语句","如果<条件>总是为True,则不停地执行循环体","设有以下循环结构:Do 循环体Loop While <条件>则以下叙述中错误的是________","v1",0,{"answer":30,"createTime":19,"id":31,"options":32,"question":37,"source":27,"type":28},[],7663360,[33,34,35,36],"Do … End Do","For Each … Next","Do … Loop","For … Next","以下Visual Basic不支持的循环结构是______",{"answer":39,"createTime":19,"id":40,"options":41,"question":46,"source":27,"type":28},[],7663361,[42,43,44,45],"如果"条件表达式"的值恒为0,则无限次执行循环体","如果"条件表达式"的值是0,则一次循环体也不执行","如果"条件表达式"的值不为0,则至少执行一次循环体","不论"条件表达式"的值是否为"真",至少要执行一次循环体","假定有以下循环结构: Do Until 条件表达式 循环体Loop则以下正确的描述是______",{"answer":48,"createTime":19,"id":49,"options":50,"question":55,"source":27,"type":28},[],7663362,[51,52,53,54],"21 1","20 1","溢出","21 20","下面程序段的运行结果为________. Dim s As Integer, i As Integer i = 1: s = 1 Do i =i + s Loop Until s >20 Print i, s",{"answer":57,"createTime":5,"id":58,"options":59,"question":60,"source":27,"type":61},[],7671636,[],"下面程序段的运行结果为________. For i=1 To 5 n=1 For j=1 To i n=n*j Next j Print n; Next i",2,{"answer":63,"createTime":5,"id":64,"options":65,"question":66,"source":27,"type":61},[],7671637,[],"执行以下语句后,k的值为_____. Dim i As Single For i = 0.45 To 2 Step 0.5 k = k + 3 Next i Print i;k",{"answer":68,"createTime":5,"id":69,"options":70,"question":71,"source":27,"type":61},[],7671638,[],"有程序段如下: For i = 1 To 5 For j = 5 To i Step -1 Print i * j Next j Next i其中"Print i*j"语句执行的次数为_________",{"answer":73,"createTime":5,"id":74,"options":75,"question":76,"source":27,"type":61},[],7671639,[],"下面程序运行后,单击command1后屏幕显示是_________. Private Sub command1_click() For i = 1 To 5 If i > 3 Then Exit For Next i For j = 1 To 8 i =i + j Next j Print i, j End Sub",{"answer":78,"createTime":5,"id":79,"options":80,"question":81,"source":27,"type":61},[],7671640,[],"在窗体上画一个名称为Text1的文本框和一个名称为Command1的命令按钮,然后编写如下事件过程:Private Sub Command1_Click() Dim i As Integer, n As Integer For i = 0 To 50 i = i + 5 n = n + 1 If i > 30 Then Exit For Next Text1.Text = Str(n)End Sub程序运行后,单击命令按钮,在文本框中显示的值是______",{"answer":83,"createTime":5,"id":6,"options":84,"question":15,"source":27,"type":61},[],[]]