将word内容追击到新建WORD文档

Microsoft.Office.Interop.Word._Application wordApp = new Microsoft.Office.Interop.Word.Application();            wordApp.Visible = false;            Object Nothing = System.Reflection.Missing.Value;            Microsoft.Office.Interop.Word._Document document = new DocumentClass();            Microsoft.Office.Interop.Word._Document tempdocument = new DocumentClass();            object objTemplate = Server.MapPath(@"~\\wordModel\demo.doc");            document = wordApp.Documents.Add(ref Nothing, ref Nothing, ref Nothing, ref Nothing);            for (int i = 0; i < 3; i++)            {                //document.Content.                if (i > 0)                {                    Microsoft.Office.Interop.Word.Paragraph para;                    para = document.Content.Paragraphs.Add(ref Nothing);                    object pBreak = (int)WdBreakType.wdSectionBreakNextPage;                    para.Range.InsertBreak(ref pBreak);                }                tempdocument = wordApp.Documents.Open(objTemplate);                Range range = tempdocument.Range(ref Nothing, ref Nothing);                range.Copy();                document.Paragraphs.Last.Range.PasteAndFormat(WdRecoveryType.wdFormatOriginalFormatting);            }