病句门诊。(1)诸葛亮上知天文，下知地理，阴谋诡计，周瑜自愧不如。(2)《红楼梦》是我国古代四大名著

Question

病句门诊。   
(1)诸葛亮上知天文，下知地理，阴谋诡计，周瑜自愧不如。
                                                                                                        
(2)《红楼梦》是我国古代四大名著。
                                                                                                       
(3)屋子里挤了十五个人左右。
                                                                                                       

Answer 1

(1)把“阴谋诡计”改成“足智多谋”  
(2)句号前加“之一”
(3)去掉“左右”