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The remains of a gold mask are among the 3,000-year-old artifacts (历史文物) found at Sanxingdui, a 4.6-square-mile area outside Chengdu, capital of Sichuan province. Weighing about 280 grams and 【小题1】 (estimate) to be made from 84% gold, the mask is one of over 500 items unearthed from six newly discovered “sacrificial pits (深坑)” in Sanxingdui.
More than 50,000 ancient artifacts 【小题2】 (find) at Sanxingdui since the 1920s, when a local farmer 【小题3】 (accidental) came upon a number of relics at the site. A major breakthrough occurred in 1986, with the discovery of two ceremonial pits 【小题4】 (contain) over 1,000 items. Discoveries made at the site date back to the 12th and 11th centuries BC, and many of the items are now 【小题5】 display at an on-site museum.
The site has completely changed experts’ understanding of 【小题6】 the ancient civilization developed in China. In particular, evidence suggests that the unique ancient Shu 【小题7】 (social) developed independently of neighboring cultures in the Yellow River Valley, 【小题8】 was traditionally considered to be the origin of Chinese civilization.
Along with other Shu archaeological 【小题9】 (site), it is credited by the UN as “【小题10】 outstanding representative of the Bronze Age Civilization of China, East Asia and even the world.”