题目内容

窗体上有一个命令按钮Command1,编写如下事件过程: Private Sub Command1_Click() x = 0 Do While x < 50 x = (x + 2)* (x + 4) n = n + 1 Loop Print n, x End Sub 运行时,单击按钮,输出结果是(

A. 0 和 0
B. 1 和 8
C. 2 和 120
D. 3 和 15180

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窗体上有一个命令按钮Command1,编写如下事件过程: Private Sub Command1_Click() For i = 1 To 4 For j = 4 To 8 Sum = Sum + 1 Next j Next i Print Sum End Sub 运行时,单击按钮,输出结果是(

A. 4
B. 8
C. 20
D. 32

有如下事件过程：Private Sub Command1_Click()Dim check, countercheck = Truecounter = 0DoDo While counter<20counter = counter + 1If counter=10 Thencheck = FalseExit DoEnd ifLoopLoop Until check = FalsePrint counter,checkEnd Sub程序运行后，输出的结果为（）

A. 15 0
B. 20 -1
C. 10 True
D. 10 False

执行下列程序段后输出的结果是( )。 s = 1 For i = 1 To 3 For j = 0 To i-1 s = s + s * j Next j ? s; Next i

A. 1 2
B. 2 1
C. 2 2 12
D. 1 2 12

有如下事件过程：Private Sub Command1_Click()a=0For i = 1 To 3For j = 1 To iFor k = j To 3a = a + 1Next kNext jNext iPrint aEnd Sub程序运行后，输出的结果为（）

A. 12
B. 14
C. 15
D. 16