Test analysis: one sentence is a poem in Mrs. Hua Rui's Gong Ci. The original poem is: "In the twelfth lunar month, when an official goes out, you must count your wives first. Uighur clothes and horses are called small waists. " Uighurs are the ancestors of Uighurs. In the middle of the 8th century, Emperor Xuanzong of the Tang Dynasty named their leader Huairen Khan, and they had a friendly relationship. Many Uighurs went to the Tang Dynasty to do business, and Han people in Chang 'an and Luoyang also like to wear Uighur clothes, so they chose A.