To select the current page; go to Tools | GoTo then select bookmarks and then type "\page".
Of course this would be better if this were in a simple VBA routine so that this can be called from a click on a toolbar or from a menu item. So, open one of your Start-Up templates, enter the IDE and type the following into a code module:
Sub SelectCurrentPage () On Error Resume Next If Documents.Count > 0 Then ActiveDocument.Bookmarks("\page").Range.Select End If End Sub
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