模仿word对英文字符的操作，输入一篇英文文章，可以对其段落进行剪切、复制、粘贴等操作，并可以计算其单词数和段落数-Word of English characters to imitate the operation, enter an English article, you can carry out their paragraphs cut, copy, paste and other operations, and can calculate the number of its wor