In the Tang Dynasty, Zhang San, a scholar, was born in Area A (the southernmost tip of the Grand Canal, which we now call Hangzhou). Study hard at the cold window for three years, one

(2) Luoyang? Chang 'an (2 points)

(3) Yan Zhenqing? Liu Gongquan (2 points)

(4) Jinshi? Mingjing (2 points)

(5) New cotton-padded jacket; Zhancheng rice; Jingdezhen porcelain tea set; Wazi, etc (2 points for any two items)

(1) According to the hint in brackets, Yuhang is at the southernmost tip of the Grand Canal (2) Luoyang is in the center of the Canal, and Chang 'an is the capital of the Tang Dynasty, so C is Chang 'an (3) Yan Zhenqing is the surface, and Liu Gongquan is the most important examination subject in the Tang Dynasty (4) Jinshi and Mingjing (5). Among them, "Wazi" appeared after the Song Dynasty, and the new cotton-padded jacket became popular after the Yuan Dynasty.