题目内容：

Every year, during the Lantern Festival, the Chinese village of Nuanquan hosts one of the 1. (much) beautiful shows in the world. The tradition 2. (call) Da Shuhua involves experienced blacksmiths showering 3. (them) with molten(熔化的) iron.

Da Shuhua 4. (date) back to 300 years ago, 5. local blacksmiths came up with a unique alternative to fireworks. The rich would always celebrate New Year with firecrackers, but poor blacksmiths could not afford them, so they 6.(find) a cheaper alternative. Inspired by iron striking, the blacksmiths started melting iron to a temperature of around 1,000℃ and throwing it at a large stone wall to create an effect similar 7. fireworks.

The effect was so wonderful that Da Shuhua 8. (gradual) gained more appeal than firecrackers, attracting many people in the celebration. Throwing molten iron soon became a tradition in Nuanquan. Over the years the celebration has changed into 9. even more amazing show, as the blacksmiths start experimenting with other metals, like aluminium (铝), to create green and white 10. (flower) instead of just red.