She likes her pet parrot very much and keeps talking to it ____ ____ ____.
若多边形的边数由3增加到n时,其外角和的度数( )
阅读下面一首诗,回答问题。
移家别湖上亭
戎昱
好是春风湖上亭,柳条藤蔓系离情。黄莺久住浑相识,欲别频啼四五声。