Exploring the Mysteries of History (10) During the National Day, Li Kai traveled from Nantong to Sichuan with his parents, and Jiuzhaigou was a scenic spot arranged by the travel agency.

(1) Sanxingdui culture refers to an ancient bronze culture discovered in Sanxingdui, Guanghan, Sichuan. (1) This culture existed for about the same time as Xia, Shang and Zhou Dynasties. (1) Among the cultural relics unearthed at Sanxingdui site, the most famous is the large bronze portrait. (1) Sanxingdui culture confirmed the ancient Shu civilization. The unsolved mysteries of Sanxingdui culture mainly include: the identity of Sanxingdui group images, whether the golden staff and bronze tree are symbols of theocracy, the mystery of Sanxingdui's "sacrificial pit" and what a large number of seashells explain. (2 points)

(2) He should know the documents related to Sanxingdui (1 min), because Sanxingdui belongs to the physical historical materials (cultural relics), and mutual verification of documents and cultural relics is the basic method of historical research. (2 points)

(3) Pay special attention to the description of the basic features of the ancient history of China in Xia, Shang and Zhou Dynasties in the compulsory textbooks, and collect the materials of Sanxingdui site around these three aspects. (2 points)

leave out