sentences:  He further gave Yuwen Hu the text of the "Jiu Gao" (酒誥) – an anti-alcoholism declaration written by King Cheng of Zhou – and suggested that he read the "Jiu Gao" to Empress Dowager Chinu.Once they reached her palace, Yuwen Hu, pursuant to Emperor Wu's request, started reading the "Jiu Gao".Before he could finish it, Emperor Wu stepped behind him and used a jade tablet to strike the back of his head.