阅读下面短文,在空白处填入1个适当单词或括号内单词的正确形式。Mining has seen ups and downs but traditional condiment (调味品) continues to appeal. Any mention of Zigong, Sichuan province, reminds people【小题1】 its salt production and, until recently, this was【小题2】 important source of revenue (财政收入).
The city, about 200 kilometers from Chengdu has a history of mining salt【小题3】 (stretch) back 2,000 years. The salt was sold all over Sichuan and other provinces, and was consumed by one-tenth of China’s population. The salt is from wells. One of them, the Shenhai well, was opened in 1835, and is still in【小题4】 (operate). With a depth of 1,001.42 meters, it is among the world’s deepest of its kind and【小题5】 (current) produces around 2,000 kilograms of salt per day. Visitors to the well can buy packs of iodine-free salt【小题6】 (mine) just three days earlier.
But, during Spring Festival, 【小题7】 ends with the Lantern Festival on the 15th day of the first lunar month — falling on Sunday this year — more people from around the country flock to Zigong【小题8】 (view) its world-famous lanterns. Viewing lanterns became a Spring Festival custom in Zigong during the Tang Dynasty. Since then, the【小题9】 (city) lantern show has been held in more than 70 countries and regions around the world, becoming a calling card of both Zigong and China. The popular show【小题10】 (start) from the economic dilemma in the 1980s, when Zigong’s economy over-relying on a single product became a problem.