static void Main(string[] args)
  {
   string wordPathStr = @"C:\Users\user\Desktop\新建文件夾 (2)\5.docx";
   using (WordprocessingDocument doc = WordprocessingDocument.Open(wordPathStr, true))
   {
    Body body = doc.MainDocumentPart.Document.Body;
    foreach (var paragraph in body.Elements<Paragraph>())
    {
     Console.WriteLine(paragraph.InnerText);
    }
   }
   Console.ReadLine();
  }