题目

【加试题】有如下VB程序段：数组元素a(1)到a(6)的值分别为“Beijing”、“Guangdong”、“Jiangsu”、“Jiangxi”、“Shanghai”、“Zhejiang”，已按字典序排序。当key的值为“Zhejiang”时，单击命令按钮Command1，文本框Text1中显示的内容为（  ） Private Sub Command1_Click() Dim i As Integer, j As Integer, m As Integer Dim s As String i = 1: j = 6 Key = Text1.Text：s = "" Do While i <= j m = Int((i + j) / 2 + 0.5) s = s + " " + a(m) If Key > a(m) Then i = m + 1 Else j = m - 1 End If Loop Text1.Text = s End Sub A . Jiangxi Zhejiang B . Jiangsu Shanghai Jiangxi Zhejiang C . Jiangxi Zhejiang Shanghai D . Jiangsu Shanghai Zhejiang 答案：C

查看本题答案和解析