试题 试卷
题型:单选题 题类:常考题 难易度:普通
教科版(2019)高中信息技术必修一 第2章 编程计算 单元知识点检测
n = 6
d(1) = 23: d(2) = 31: d(3) = 19: d(4) = 33: d(5) =58: d(6) = 28
k = Abs(d(2) - d(1))
For i = 3 To n
If Abs(d(i) - d(i - 1)) > k Then k = Abs(d(i) - d(i - 1))
Next i
Text1.Text = Str(k)
上述程序段执行后,文本框Text1显示的内容是( )
s = "123456789"
g = ""
For i = 1 To 3
n = Len(s)
x = Int(Rnd * n) + 1
g = g + Mid(s, x, 1)
s = Mid(s, 1, x - 1) + Mid(s, x + 1, n - x)
在程序执行时,若变量x的值依次为3,3,6,则最终变量g的值为( )
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