![](https://cos-cdn.shuashuati.com/pipixue-web/2020-1231-2005-12/ti_inject-812ce.png)
用do while...loop循环实现输入字符串的逆序输出。如输入“ABCD”,输出“DCBA”。 Dim str As String, x As String, new_str As String Dim i As Integer, length As Integer str = InputBox("please input the string:") length = (______) i = 1 Do While i <= (______) x = (______) new_str = (______) i = i + 1 Loop Print "new_str=" & new_str